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Generac G-Force 1000 Series Engine

Name: Generac G-Force 1000 Series Engine
Brand: Generac

The Generac G-Force 1000 Series is a 1 L 2-cylinder naturally aspirated engine rated at 3600 rpm, producing up to 16 kW. It powers generator sets from Generac, including the 15 kW EcoGen, 20 kW 3-Phase, G007034-0 and G007035. It holds 1.8 L (0.5 gal) of oil.

Also known as: Generac G-Force 1000 Series, G-Force 1000 Series

0.999 L

Displacement

Cylinders

3600 rpm

Rated speed

16 kW

Gross power

On this pageSpecs Generator sets Maintenance FAQ Service intervals Torque & specs Fluids Fault codes Procedures Wiring

Engine specifications

Oil capacity	1.8 L
Displacement	0.999 L
Cylinders	2
Aspiration	naturally aspirated
Rated speed	3600 rpm
Gross power	16 kW

Troubleshooting

Symptoms & remedies

Symptom	Remedy
Engine damage.	Verify proper type and quantity of engine oil prior to starting engine. Failure to do so could result in engine damage.

Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.

Common problems

Unit consumes large amounts of oil
Cause: Excessive engine oil.
Fix: Adjust oil to correct level. See Checking Engine Oil Level.
Engine will not crank
Cause: Blown fuse.
Fix: Correct short circuit condition by replacing 7.5 A fuse in generator control panel. Contact an IASD if fuse continues to blow.
Engine starts hard and runs rough
Cause: Plugged or damaged air cleaner.
Fix: Inspect and clean air cleaner.
Engine cranks but will not start
Cause: No fuel.
Fix: Replenish fuel / turn on fuel valve.
Wi-Fi network connection broken or intermittent
Cause: Various.
Fix: See Wi-Fi module owner’s manual.
Unit is set to OFF, but engine continues to run
Cause: Controller wired incorrectly.
Fix: Contact an IASD for assistance.
No transfer to standby after utility source failure
Cause: Generator MLCB (generator disconnect) is OFF (OPEN).
Fix: Set generator MLCB (generator disconnect) to ON (CLOSED).
No AC output from generator
Cause: Generator MLCB (generator disconnect) is OFF (OPEN).
Fix: Set generator MLCB (generator disconnect) to ON (CLOSED).
Engine won’t crank.
Cause: 1. 15 amp fuse blown. 2. Loose or corroded or defective battery cables. 3. Defective starter contactor. 4. Defective starter motor. 5. Dead or Defective Battery. 6. 5 amp fuse blown.
Fix: 1. Replace fuse. 2. Tighten, clean or replace battery cables as necessary. 3. Replace contactor.* 4. Replace starter motor.* 5. Remove, change or replace battery. 6. Replace fuse.*
Engine will not crank.
Cause: 1. Fuse blown. 2. Loose, corroded or defective battery cables. 3. Defective starter contact. 4. Defective starter motor. 5. Dead Battery.
Fix: 1. Correct short circuit condition by replacing 7.5 Amp fuse in generator control panel. 2. Tighten, clean or replace as necessary.* 3. *See #2. 4. *See #2. 5. Charge or replace battery.
Engine starts hard, runs rough.
Cause: 1. Flame arrestor (air cleaner) plugged or damaged. 2. Plugged fuel line. 3. Defective spark plugs. 4. Fuel pressure incorrect.
Engine oil level is low.
Cause: 1. Engine starts then shuts down. AUTO/OFF/MANUAL Switch at OFF, engine continues to run
Engine cranks but won't start
Cause: 1. Out of fuel. 2. Fuel solenoid (FS) is defective 3. Open Wire #14A from Engine Control circuit board. 4. Spark plugs defective. 5. Door on tank not closed.
Fix: 1. Replenish fuel. 2. Replace solenoid.* 3. Reconnect wire. 4. Clean, regap or replace plugs. 5. Close door on tank.
Engine cranks but will not start.
Cause: 1. Out of fuel. 2. Defective fuel solenoid (FS). 3. Defective spark plug(s). 4. Valve lash out of adjustment.
Fix: 1. Replenish fuel / Turn on fuel valve. 2. * 3. Clean, re-gap or replace plug(s). 4. Reset valve lash.
Yellow LED illuminated in any state.
Fix: Check the screen for additional information. Perform SERVICE A maintenance. Press ENTER to clear.

Compiled from service & troubleshooting documentation across every generator set that uses the Generac G-Force 1000 Series.

Maintenance schedule

Item	Spec	Capacity	Part #	Interval
Air filter			0J8478	1000 hr	Amazon $28.99 eBay $20.00 KuduParts $15.00
Fuel filter	Approx. 1.9 qt/1.8 L		—	200 hr
Oil filter			070185E	500 hr	Amazon $35.19 eBay $30.00 FridayParts $45.99
Battery	12 volts, Group 26R-540CCA minimum or Group 35AGM-650CCA minimum		0H3421S		Amazon eBay $283.32
Belt	Approx. 1.9 qt/1.8 L		—	200 hr
Coolant			—
Oil	Synthetic SAE 5W-30 for all temperature ranges; API SJ, SL, or better	3.75 Quarts (3.55 Liters)	—	500 hr
Spark plug	Gap 0.040 in. (1.02 mm); torque to 18.4 ft-lbs (25 Nm)		RC12YC	1000 hr	Amazon $19.99 eBay $12.90 FridayParts $19.99

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Service intervals

Item	Action	Hours	Months	Notes
Oil level	Check	24 hr	1 mo	Monthly or 24 hours of continuous operation
Aceite del motor	Change	25 hr		First service — Después del período de asentamiento de 25 horas, se recomienda utilizar el aceite 5W-20 propiedad de Generac para uso continuo.
Huile moteur et filtre à huile	Change	25 hr		First service — Après les premières 25 heures de marche
Oil	Change	200 hr	24 mo	First service — After the first 25 hours of operation
Oil filter	Change	200 hr	24 mo	First service — After the first 25 hours of operation
Valve Clearance	Check	400 hr		First service — Check/adjust after first 25 hours of operation
Engine oil and filter	Replace	100 hr	12 mo	First service — After first 25 hours; then every 100 hours or 1 year. Cold weather (<4.4°C) or continuous hot (>29.4°C): every 100 hours or 1 year
Aceite de motor y filtro de aceite	Change	200 hr	24 mo	First service — Programa de mantenimiento A
Batería (condición, nivel de electrolito y estado de carga)	Check	200 hr	24 mo	Programa de mantenimiento A
Battery condition and charge	Check	200 hr	24 mo	Schedule A maintenance
Complete Tune-Up	Other	200 hr	24 mo	Independent Authorized Dealer must perform; 2 years or 200 hours
Engine oil	Change	200 hr	24 mo	Up to a 2 year/200 hour oil change interval; full pressure lubrication system
Engine oil and oil filter	Replace	200 hr	24 mo	First service — Schedule A (Every Two Years or 200 Hours) and Schedule B (Every Four Years or 400 Hours). Change engine oil and filter after first 25 hours. In cold weather (below 40 F / 4.4 C) or continuous hot weather (above 85 F / 29.4 C), change every year or 100 hours.
Huile à moteur et filtre à huile	Change	200 hr	24 mo	First service — Calendrier A: tous les deux ans ou toutes les 200 heures. Changer l'huile et le filtre après les 25 premières heures. En conditions froides (moins de 4,4 °C/40 °F) ou fonctionnant en continu à plus de 29,4 °C/85 °F, changer annuellement ou toutes les 100 heures.
Scheduled maintenance	Change	200 hr	24 mo	Oil, oil filter, spark plugs recommended for maintenance kits
Óleo lubrificante e filtro de óleo	Change	200 hr	24 mo	First service — Trocar após as primeiras 25 horas; Programação A (2 anos ou 200 h); em clima frio (<4,4 °C) ou quente contínuo (>29,4 °C) anualmente ou 100 h
Aceite del motor y filtro de aceite	Replace	400 hr	48 mo	First service — Programa B: cada cuatro años o 400 horas.
Air cleaner	Clean	400 hr		Clean or replace as necessary; R = Replace as Necessary; 400 hours
Air filter	Replace	400 hr	48 mo	Schedule B maintenance
Bougies d'allumage	Clean	400 hr	48 mo	Nettoyer les bougies, vérifier l'écartement ou les remplacer. Calendrier A et Calendrier B.
Bujía(s)	Replace	400 hr	48 mo	Programa B: cada cuatro años o 400 horas.
Bujías	Replace	400 hr	48 mo	Programa B; limpiar, comprobar separación y sustituir
Engine air filter	Replace	1000 hr	48 mo	Schedule B. Emissions-critical.
Engine oil and oil filter	Change	400 hr	48 mo	First service — Schedule B (every four years or 400 hours).
Filtre à air du moteur	Replace	400 hr	48 mo	Calendrier B: tous les quatre ans ou toutes les 400 heures.
Filtro de aire del motor	Replace	400 hr	48 mo	Programa de mantenimiento B
Filtro de ar do motor	Replace	400 hr	48 mo	Programação B (4 anos ou 400 h)
Folga da válvula	Adjust	400 hr	48 mo	First service — Inspecionar/ajustar após as primeiras 25 h e depois a cada 400 h; Programação B; exclui 14/18 kW com motor 816 cc
Jeu des soupapes	Adjust	400 hr		First service — Vérifier et régler après les 25 premières heures de fonctionnement, puis toutes les 400 heures.
Luz de válvulas	Adjust	400 hr	48 mo	First service — Programa B; inspeccionar/ajustar cada 400 horas
Sediment trap	Clean	400 hr	48 mo	Schedule B: Every 4 years or 400 hours. Inspect and clean.
Separación de la válvula	Adjust	400 hr	48 mo	First service — Programa B. Inspeccione y ajuste después de las primeras 25 horas y luego cada 400 horas. No necesario en unidades 14/18 kW con motor 816 cc.
Spark plug(s)	Inspect	400 hr	48 mo	Schedule B maintenance; clean, inspect gap, replace if necessary
Spark plug(s)	Replace	400 hr	48 mo	Schedule B. Emissions-critical.
Valve clearance	Adjust	1000 hr	48 mo	First service — Schedule B; inspect/adjust valve clearance after first 25 hours of operation, then at 400 hour intervals. Where applicable; excludes units with hydraulic lifters (14 or 18 kW with 816cc engine).
Vela(s) de ignição	Replace	400 hr	48 mo	Programação B (4 anos ou 400 h)
AVR Filter	Replace	500 hr	24 mo	Schedule A; replace more frequently in dusty conditions
Battery Condition and Electrolyte Level	Check	500 hr	24 mo
Engine Oil Filter and Oil	Replace	500 hr	24 mo	First service — Schedule A, every two years or 500 hours
Rotor Brushes	Replace	1000 hr	48 mo	Schedule B; performed only by IASD

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Service specifications

Type	Item	Value	Unit	Condition
Gap	Folga da vela de ignição	0,020	pol
Gap	Folga da vela de ignição	0,040	pol
Gap	Folga da vela de ignição	0,508	mm
Gap	Folga da vela de ignição	1,02	mm
Gap	Ignition magneto air gap	0.008-0.012 inch (0.20-0.30 mm)	gap	V-twin engines; fixed non-adjustable on single cylinder
Gap	Separación de electrodos de bujía (11 kW)	0.030	in (0.76 mm)
Gap	Separación de electrodos de bujía (16/20/22 kW)	0.040	in (1.02 mm)
Gap	Separación de electrodos de bujía (9 kW)	0.020	in (0.508 mm)
Gap	Separación de las bujías	0.508	mm (0.020 pulg.)
Gap	Separación de las bujías	1.02	mm (0.040 pulg.)
Gap	Spark Plug Gap	0.020	in (0.508 mm)	9 kW (GH-426)
Gap	Spark Plug Gap	0.030	in (0.76 mm)	11 kW (GTH-530)
Gap	Spark Plug Gap	0.040	in. (1.02 mm)
Gap	Spark Plug Gap	1.02	mm	recommended specification
Gap	Spark plug gap	0.508	mm
Gap	Spark plug gap	0.76	mm (0.030 in)
Gap	Spark plug gap	0.76 mm (0.030 inch)	gap	410 cc and 530 cc engines
Gap	Spark plug gap	1.02 mm (0.040 inch)	gap	990 cc and 999 cc engines
Gap	Spark plug gap (10 kW)	0.020	in (0.508 mm)
Gap	Spark plug gap (11 kW)	0.030	in (0.76 mm)
Gap	Spark plug gap (14-24 kW)	0.040	in (1.02 mm)
Gap	Spark plug gap (16/20/22 kW)	0.040	in (1.02 mm)
Gap	Spark plug gap (9 kW)	0.020	in (0.508 mm)
Gap	Écartement de bougie	0,508	mm (0,020 po)
Gap	Écartement de bougie	1,02	mm (0,040 po)
Gap	Écartement des électrodes des bougies d'allumage	0.508	mm (0,020 po)
Gap	Écartement des électrodes des bougies d'allumage	0.76	mm (0,030 po)
Gap	Écartement des électrodes des bougies d'allumage	1.02	mm (0,040 po)
Other	Compression ratio	9.5:1
Other	Engine start sequence	16 sec on, 7 rest	90 sec maximum duration	cyclic cranking
Other	Exercise time length (16-22 kW)	5	minutes
Other	Exercise time length (9-11 kW)	12	minutes
Other	Fusível do painel de controle	7,5	A
Other	Ordem de partida (10 kW)	15 s de arranque, 7 s de repouso, seguidos por quatro ciclos adicionais de 7 s de arranque e 7 s de repouso		cinco ciclos de manivela
Other	Ordem de partida (14 a 24 kW)	16 s de arranque, 7 s de repouso, 16 s de arranque, 7 s de repouso, seguidos por três ciclos adicionais de 7 s de arranque e 7 s de repouso		cinco ciclos de manivela
Other	Perda de potência do motor por altitude	3,5	% a cada 304,8 m (1.000 pés) acima do nível do mar
Other	Perda de potência do motor por temperatura	1	% a cada 6 °C (10 °F) acima de 15 °C (60 °F)
Other	Redução de classificação GN vs PL	10 a 20	%
Other	Retardo de calentamiento con Arranque inteligente en frío	30	segundos	temperatura ambiente por debajo de la temperatura fijada
Other	Retardo de calentamiento normal	6	segundos	temperatura ambiente en o sobre la temperatura fijada
Other	Starter motor performance, V-twin	Minimum rpm 3250; Maximum Amps 62
Other	Starter motor performance, single cylinder	Minimum rpm 4500; Maximum Amps 9
Other	Tamanho mínimo de tanque de PL ao converter de GN	946	L (250 gal)
Other	Utility failure detection threshold	65	% of nominal (for five consecutive seconds)
Other	Utility restoration threshold	80	% of nominal (for 15 consecutive seconds)
Pressure	Cylinder leak down tester regulated pressure	80	psi	air source at least 90 psi
Pressure	Fuel pressure at regulator - LP	10-12	in water column (19-22 mm Hg)
Pressure	Fuel pressure at regulator - Natural Gas	3.5-7.0	in water column (9-13 mm Hg)
Pressure	Fuel pressure to regulator (LP)	10-12	in water column (19-22 mm Hg)	LP gas
Pressure	Fuel pressure to regulator (NG)	3.5-7.0	in water column (9-13 mm Hg)	natural gas
Pressure	Fuel pressure to regulator (natural gas)	3.5-7	inches water column (7-13 mm mercury)
Pressure	Fuel pressure, LP vapor	10-12	inches water column	at fuel inlet
Pressure	Fuel pressure, natural gas	5-7	inches water column	at fuel inlet
Pressure	LP fuel pressure	10–12	in water column (19–22 mm Hg)
Pressure	Liquid propane fuel inlet pressure	10-12	in water column
Pressure	Liquid propane fuel inlet pressure	2.49-2.99	kPa
Pressure	Minimum compression, single cylinder engine	60	psi	cold
Pressure	Natural gas fuel inlet pressure	0.87-1.74	kPa
Pressure	Natural gas fuel inlet pressure	3.5-7.0	in water column
Pressure	Natural gas fuel pressure	3.5–7.0	in water column (9–13 mm Hg)

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

Fluid	Grade	Standard	Ambient	Capacity	Notes
Engine oil		API SJ, SL ou mieux			Changer l'huile chaque année ou toutes les 100 heures par temps froid (< 4,4 °C) ou exploitation continue par temps chaud (> 29,4 °C)
Engine oil	30 weight organic oil (factory fill)				Units run and tested at factory prior to shipping, no break-in required
Engine oil	5W-20				Aceite 5W-20 propiedad de Generac para uso continuo, después del período de asentamiento de 25 horas.
Engine oil	5W-20 (Generac proprietary)	API Service Class SJ, SL, or better		1.03 L	Oil capacity including filter. Use for continuous use after the 25 hour break-in period; specifically formulated for gaseous powered Generac generators. Do not use special additives. Change every year or 100 hours in cold weather (below 40 F) or continuous hot weather (above 85 F).
Engine oil	5W-30	Aceite orgánico 5W-30 (la unidad se entrega de fábrica llena con este aceite)			Compruebe el nivel de aceite y, de ser necesario, añada la cantidad apropiada con la viscosidad correcta. No llene en exceso. Consulte 'Recomendaciones para el aceite de motor' para tipo/viscosidad.
Engine oil	Generac 5W-20 exclusive	API SJ, SL ou mieux			Après la période de rodage de 25 heures et à chaque intervalle; spécialement formulée pour les génératrices Generac alimentées au gaz
Engine oil	SAE 30 above 32°F; 10W-30 between 40°F and -10°F; Synthetic 5W-30 10°F and below	API Service Class SJ, SL or better; use no special additives		1.5 Qts	Oil capacity including filter
Engine oil	SAE 5W-30 Synthetic	API Service Class SJ, SL or better			Do not use special additives
Engine oil	SAE 5W-30 sintético	API SJ, SL o mejor		1.03 l	9 kW; no usar aditivos especiales
Engine oil	SAE 5W-30 synthétique	API classe de service SJ, SL ou supérieure			Huile SAE 5W-30 synthétique pour toutes les plages de température. N'utilisez aucun additif spécial.
Engine oil	Synthetic 5W-30	American Petroleum Institute (API) Service Class SJ, SL or better		3.55 liters	Use for all temperature ranges
Engine oil	Synthetic SAE 5W-30	API SJ, SL, or better		3.75 Quarts (3.55 Liters)	For all temperature ranges; do not use special additives
Engine oil	10W-30	American Petroleum Institute (API) Service Class SJ, SL or better	-23°C to 4°C	3.55 liters	Use between 40°F and -10°F (4°C and -23°C)
Engine oil	SAE 30	American Petroleum Institute (API) Service Class SJ, SL or better	above 0°C	3.55 liters	Use above 32°F (0°C)
Fuel		Gas natural: contenido de BTU de por lo menos 1000 BTU/ft3 (37,26 MJ/m3). Gas LP: por lo menos 2500 BTU/ft3 (93,15 MJ/m3)		250.0 gal (946 l)	Tamaño mínimo del tanque de LP es 250 gal (946 l), salvo que los cálculos de la unidad indiquen uno mayor. Solo sistema de extracción de vapor para LP.
Fuel	Gas natural	mínimo 1000 BTU por pie cúbico (37.26 megajulios por metro cúbico)			Reducciones típicas de gas natural 10-20 % respecto a LP
Fuel	Gaz naturel			37.26 mégajoules par mètre cube (1 000 BTU par pied cube) minimum	Teneur en BTU minimale du gaz naturel.
Fuel	Gaz naturel d'au moins 37,26 mégajoules par mètre cube (1 000 BTU par pied cube)	NFPA 54
Fuel	Gaz propane liquide (gazeux)			93.15 mégajoules par mètre cube (2 500 BTU par pied cube) minimum	Capacité de réservoir de gaz propane liquide minimum recommandée de 946 litres (250 gallons).
Fuel	Gaz propane liquide d'au moins 93,15 mégajoules par mètre cube (2 500 BTU par pied cube)	NFPA 58 / ICC IFGC			Réservoir de gaz propane liquide d'une capacité minimale de 946 litres (250 gallons).
Fuel	LP (vapor)	mínimo 2500 BTU por pie cúbico (93.15 megajulios por metro cúbico)		946.0 l	Se recomienda tanque de LP de 250 gal. (946 l) de tamaño mínimo si se convierte de NG a LP
Fuel	LP Gas (vapor), min 2500 BTU/ft3 (93.15 MJ/m3)				Minimum LP tank size 250 gal (946 L) recommended when converting
Fuel	Liquid Propane (LP) Vapor	btu content of at least 2,500 Btus per cubic foot (93.15 megajoules per cubic meter)		250.0 gallons (946 liters) minimum LP tank size recommended	If converting from natural gas to LP
Fuel	Liquid Propane (LP) vapor withdrawn or pipeline Natural Gas				NG min 1000 BTU/cu ft (37.26 MJ/m3); LP min 2500 BTU/cu ft (93.15 MJ/m3); min LP tank size 250 gal (946 L) recommended if converting from NG
Fuel	Liquid Propane (vapor)			2500.0 BTU/ft3 (93.15 MJ/m3) minimum	Vapor withdrawn; minimum tank size 250 gal (946 L) when converting from NG
Fuel	Liquid Propane Vapor (LP)			946.0 liters	Minimum 2,500 Btus per cubic foot (93.15 megajoules per cubic meter). Minimum tank size 250 gallons (946 liters) recommended for conversion.
Fuel	Liquid propane (LP) vapor	BTU content at least 2,500 BTUs per ft3 (93.15 megajoules per m3)			If converting to LP gas from NG, a minimum LP tank size of 250 gal (946 L) is recommended.
Fuel	Natural Gas				Minimum 1,000 Btus per cubic foot (37.26 megajoules per cubic meter). Factory set default fuel.
Fuel	Natural Gas or LP Gas (vapor)				Natural Gas: minimum 1000 BTUs per cubic foot. LP Gas: minimum 2500 BTUs per cubic foot. Minimum LP tank size of 250 gal recommended.
Fuel	Natural Gas, min 1000 BTU/ft3 (37.26 MJ/m3)				Factory set to run on natural gas

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Fault codes

Code	Name	Meaning	Severity	Action
1048	VSCF Overload	Unit shuts down during operation	Shutdown	Alternator, AVR or wiring damaged. Contact servicing dealer.
1049	VSCF Overload	Unit shuts down during operation	Shutdown	Generator output shorted or severely overloaded; clear overload and restart
1051	VSCF High Battery	Yellow LED illuminated in any state	Warning	Voltage supply to AVR is high; check external battery charger installation or contact servicing dealer
1052	VSCF DC Overvoltage	Unit shuts down during operation	Shutdown	Generator temporarily overloaded or output shorted; try restart
1053	VSCF Gate Fault	Unit shuts down during operation or starting	Shutdown	AVR is damaged; contact servicing dealer
1054	VSCF IGBT Overtemp.	Unit shuts down during operation or starting	Shutdown	Replace AVR filter, inspect fan, check intake/exhaust, check ambient temperature; contact servicing dealer
1055	VSCF Phase Error	Unit shuts down during starting	Shutdown	Check stepper motor, linkage, gas pressure; contact servicing dealer if alternator damaged
1056	VSCF Undervoltage	Unit shuts down during operation or starting	Shutdown	Load too large, remove and restart; or alternator/AVR damage, contact servicing dealer
1057	VSCF Overvoltage	Unit shuts down during operation or starting	Shutdown	Generator overloaded; remove load and restart
1058	VSCF DC Undervoltage	Unit shuts down during operation or starting	Shutdown	Alternator damage; contact servicing dealer
1059	VSCF Field Loss	Unit shuts down during starting	Shutdown	Alternator damage; contact servicing dealer
1060	Big Fan Failure	Unit shuts down during operation	Shutdown	AVR electronics exceeded 70°C; replace AVR filter, check intake/exhaust/ambient temp; contact servicing dealer
1061	VSCF Field Loss	Unit shuts down during operation	Shutdown	Alternator damage; contact servicing dealer
1065	Overfrequency	Unit shuts down during operation	Shutdown	Overload, RPM sensor failure, or stepper motor problem; contact servicing dealer
1066	VSCF Speed mismatch	Unit shuts down during operation or starting	Shutdown	Fuel pressure loss, large overload, or throttle/engine problem; contact servicing dealer
1070	Small fan failure	Small fan failure displayed; continues 80 minutes without fan if running in AUTO	Warning	Check fan wiring/mechanical, check AVR filter for blocked air path
ADVERTENCIA DEL CARGADOR	ADVERTENCIA DEL CARGADOR	Indicador LED amarillo encendido en cualquier estado.	Warning	Comuníquese con un IASD.
AUXILIARY SHUTDOWN	Desligamento auxiliar	L’appareil ne démarre pas	Shutdown	Mettre le ou les interrupteurs d’arrêt auxiliaires en position FERMÉE (I); effacer l’alarme.
BAJA PRESIÓN DEL ACEITE	BAJA PRESIÓN DEL ACEITE	La unidad no arranca en AUTO con una pérdida de energía eléctrica.	Shutdown	Revise el nivel de aceite y reponga si es necesario. Si el nivel de aceite es correcto, comuníquese con un IASD.
BAJA VELOCIDAD	BAJA VELOCIDAD	La unidad no arranca en AUTO con una pérdida de energía eléctrica.	Shutdown	Comuníquese con un IASD.
BATERÍA BAJA	BATERÍA BAJA	Indicador LED amarillo encendido en cualquier estado.	Warning	Borre la alarma. Navegue hasta BATTERY MENU del MAIN MENU para revisar la batería. Si indica GOOD, comuníquese con un IASD. Si indica CHECK BATTERY, reemplace la batería.
BATTERY PROBLEM	Problème de batterie	Yellow LED illuminated in any state.	Warning	S’adresser à un IASD.
Battery Problem	Battery Fault	Battery condition poor or battery charger issue	Warning	Inspect battery condition and connections. Contact IASD if needed.
CARGADOR SIN CA	CARGADOR SIN CA	Indicador LED amarillo encendido en cualquier estado.	Warning	Comuníquese con un IASD.
CHARGER MISSING AC	Chargeur sans c.a.	Voyant JAUNE allumé dans tous les états	Warning	S’adresser à un IASD.
CHARGER WARNING	Charger Warning	Yellow LED illuminated in any state.	Warning	S’adresser à un IASD.
CONTROLLER FAULT	Anomalia no controlador	Falha do controlador.	Shutdown	Entre em contato com uma IASD.
Controller Fault	Control Module Failure	Internal controller fault detected	Shutdown	S’adresser à un IASD.
DESCONEXIÓN AUXILIAR	DESCONEXIÓN AUXILIAR	La unidad no arranca.	Shutdown	Coloque los interruptores de desconexión auxiliar en posición CERRADA (I).
DOWNLOAD FAILURE	Falha na importação	Firmware download or update failed	Warning	Verifique o ficheiro e tente novamente.
Download Failure	Échec du téléchargement	Avertissement affiché par le contrôleur	Warning	S’adresser à un IASD.
EMERGENCY STOP	Paragem de emergência	Paragem de emergência ativada.	Shutdown	Entre em contato com uma IASD.
ERROR DE CABLEADO	ERROR DE CABLEADO	La unidad no arranca en AUTO con una pérdida de energía eléctrica.	Shutdown	Comuníquese con un IASD.
EXERCISE SET ERROR	Erro de definição de exercício	Erro de definição do funcionamento de teste.	Warning	Entre em contato com uma IASD.
Emergency Stop	Arrêt d’urgence	Alarme affichée par le contrôleur	Shutdown	S’adresser à un IASD.
FALLA DE ARRANQUE	FALLA DE ARRANQUE	La unidad no arranca en AUTO con una pérdida de energía eléctrica.	Shutdown	Verifique que la válvula de cierre de la tubería de combustible esté en la posición ON. Borre la alarma. Arranque la unidad en MANUAL. Si no arranca o funciona de forma dificultosa, comuníquese con un IASD.
FIRMWARE ERROR-7	Erro de firmware 7	Erro de firmware.	Shutdown	S’adresser à un IASD.
FIRMWARE ERROR-9	Erro de firmware 9	Erro de firmware.	Warning	S’adresser à un IASD.
FUSE PROBLEM	Problema de fusible	Unit will not start in AUTO with utility loss. (Firmware 1.11 and older only.)	Warning	Comprobar el fusible de 7.5 A; sustituir con fusible ATO de 7.5 A si está fundido, o contactar un IASD
Fuel Pressure	Pression de carburant	Avertissement affiché par le contrôleur	Warning	S’adresser à un IASD.
Fuse Problem	Problème de fusible	Alarme affichée par le contrôleur	Shutdown	Vérifier/changer le fusible de 7,5 A; s’adresser à un IASD si le fusible continue de griller.
HIGH TEMPERATURE	Température élevée	Unit shuts down during operation.	Shutdown	Inspecione a ventilação ao redor do gerador, admissão, exaustão e parte traseira. Se não existirem obstruções, entre em contato com uma IASD.
High Temperature	Overheat	Engine operating temperature too high	Shutdown	Inspect ventilation around generator, intake, exhaust, and rear. Ensure no obstructions present.
INSPECCIONE LA BATERÍA	INSPECCIONE LA BATERÍA	Indicador LED amarillo encendido en cualquier estado.	Warning	Inspeccione la batería. Presione ENTER para borrar.
INSPECT BATTERY	Inspecter la batterie	Yellow LED illuminated indicating battery inspection due	Warning	Inspecter la batterie; appuyer sur ENTER pour effacer.
LOW BATTERY	Low Battery	Yellow LED illuminated in any state.	Warning	Effacer l’alarme; vérifier la batterie au MENU BATTERIE; si BON, s’adresser à un IASD; si VÉRIFICATION NÉCESSAIRE, changer la batterie.
LOW OIL PRESSURE	Pressão de óleo baixa	Unit will not start in AUTO with utility loss.	Shutdown	Vérifier le niveau d’huile et le compléter; si correct, s’adresser à un IASD.
LOW VOLTS	Low Volts / Remove Load	Unit will not start in AUTO with utility loss	Shutdown	Clear alarm and remove household loads from the generator. Put in AUTO and restart.
LOW VOLTS REMOVE LOAD	Voltaje bajo, retirar carga	Unit will not start in AUTO with utility loss.	Shutdown	Effacer l’alarme et séparer les circuits de charge, mettre en mode AUTO et redémarrer.
Loss of Serial Link	Perte de liaison série	Alarme affichée par le contrôleur	Shutdown	S’adresser à un IASD.
Loss of Speed Signal	Perte de signal de vitesse	Alarme affichée par le contrôleur	Shutdown	S’adresser à un IASD.
Low Battery	Battery Voltage Low	Starting battery voltage below acceptable level	Warning	Inspect battery and battery cables. Charge or replace battery if necessary.
Low Oil Pressure	Low Oil Level or Pressure	Insufficient oil pressure in engine	Shutdown	Check engine oil level and top up if necessary. Contact IASD if problem persists.
MISWIRE	Miswire / Wiring Error	Unit will not start in AUTO with utility loss.	Shutdown	Contactar un IASD
NINGUNA	NINGUNA (LED verde parpadeando)	La unidad funciona en AUTO, pero no energiza la casa.	Info	Revise el MLCB del generador (desconexión del generador). Si está encendido, comuníquese con un IASD.
NO ACTIVADA	NO ACTIVADA	La unidad no arranca en AUTO con una pérdida de energía eléctrica.	Info	Verifique si la pantalla indica que la unidad no está activada. Consulte Activación.
NOT ACTIVATED	Não ativado	Unit will not start in AUTO with utility loss.	Warning	Voir la section Activation dans le manuel d’installation.
OVERCRANK	Overcrank	Unit will not start in AUTO with utility loss.	Shutdown	Vérifier que le robinet d’arrêt de carburant est ouvert; effacer l’alarme; démarrer en mode MANUEL; sinon s’adresser à un IASD.
OVERLOAD	Overload / Remove Load	Unit shuts down during operation due to overload	Shutdown	Clear alarm and remove household loads from the generator. Put in AUTO and restart.
OVERLOAD REMOVE LOAD	Surcharge, retrait de charge nécessaire	Unit shuts down during operation.	Shutdown	Effacer l’alarme et séparer les circuits de charge de la génératrice, mettre en mode AUTO et redémarrer.
OVERLOAD WARNING	Aviso de sobrecarga	Aviso de sobrecarga.	Warning	Remova as cargas domésticas do gerador.
OVERSPEED	Survitesse	Unit will not start in AUTO with utility loss.	Shutdown	S’adresser à un IASD.
OVERVOLTAGE	Tensão excessiva	Unit will not start in AUTO with utility loss.	Shutdown	S’adresser à un IASD.
Overcrank	Extended Cranking	Engine failing to start after extended crank attempts	Shutdown	Check fuel supply, spark plugs, and fuel system. Contact IASD for further diagnosis.
Overload	Overload Detected	Electrical load exceeds generator capacity	Shutdown	Remove household electrical loads from generator
Overspeed	RPM Overspeed	Engine running at excessive RPM	Shutdown	Contact IASD for assistance
Overvoltage	Output Voltage High	Generator voltage exceeding nominal rating	Shutdown	Reduce electrical load and restart. Contact IASD if issue persists.
PROBLEMA DE BATERÍA	PROBLEMA DE BATERÍA	Indicador LED amarillo encendido en cualquier estado.	Warning	Comuníquese con un IASD.
PÉRDIDA DE DETECCIÓN DE RPM	PÉRDIDA DE DETECCIÓN DE RPM	La unidad funcionaba, se apagó e intenta reiniciarse, o no arranca en AUTO con una pérdida de energía eléctrica.	Shutdown	Borre la alarma y retire del generador las cargas del hogar. Vuelva a poner en AUTO y reinicie. Si el generador no arranca, comuníquese con un IASD.
RPM SENSE LOSS	RPM Sensor Loss	Unit was running and shuts down, attempts to restart	Shutdown	Effacer l’alarme et séparer les circuits de charge, mettre en mode AUTO et redémarrer; s’adresser à un IASD si la génératrice ne démarre pas.
RPM SENSOR LOSS	RPM Sensor Loss	Engine speed sensor failure or loss of RPM signal	Shutdown	Clear alarm and remove household loads from generator. Set back to AUTO and restart. If alarm returns, contact servicing dealer to investigate possible fuel issue.
RPM Sensor Loss	RPM Signal Loss	RPM sensor signal not detected	Shutdown	Contact IASD for assistance
SEEPROM ABUSE	Abus de SEEPROM	Avertissement affiché par le contrôleur	Warning	S’adresser à un IASD.
SERVICE A	Servicio A	Yellow LED illuminated, maintenance due	Warning	Realize a manutenção SERVICE A. Pressione ENTER para apagar.
SERVICE B	Servicio B	Yellow LED illuminated, maintenance due	Warning	Realize a manutenção SERVICE B. Pressione ENTER para apagar.
SERVICIO A	SERVICIO A	Indicador LED amarillo encendido en cualquier estado.	Warning	Realice el mantenimiento SERVICIO A. Presione ENTER para borrar.
SERVICIO B	SERVICIO B	Indicador LED amarillo encendido en cualquier estado.	Warning	Realice el mantenimiento SERVICIO B. Presione ENTER para borrar.
SOBRECARGA. RETIRE LA CARGA	SOBRECARGA	La unidad se apaga durante el funcionamiento.	Shutdown	Borre la alarma y retire del generador las cargas del hogar. Vuelva a poner en AUTO y reinicie.
SOBRECORRIENTE DEL MOTOR DE VELOCIDAD GRADUAL	SOBRECORRIENTE DEL MOTOR DE VELOCIDAD GRADUAL	La unidad no arranca en AUTO con una pérdida de energía eléctrica.	Shutdown	Comuníquese con un IASD.
SOBREVELOCIDAD	SOBREVELOCIDAD	La unidad no arranca en AUTO con una pérdida de energía eléctrica.	Shutdown	Comuníquese con un IASD.

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Procedures

Adjust Valve Clearance adjustment

⚠ Allow engine to cool before adjusting valve clearance

⚠ AVR fan operates for 80 minutes after shutdown

Tools: 13mm wrench, 10mm Allen wrench, Feeler gauge

Remove spark plug wires and spark plugs
Remove four screws attaching valve cover, discard gasket
Verify piston at top dead center (TDC) of compression stroke
Loosen rocker jam nut with 13mm wrench
Turn pivot ball stud with 10mm Allen wrench while checking clearance with feeler gauge
Tighten jam nut to 174 in-lbs (19.68 Nm) while holding pivot ball stud
Recheck valve clearance
Install new valve cover gasket and valve cover, torque fasteners to 60 in-lbs (6.8 Nm) in cross pattern
Install spark plugs, torque to 18 ft-lbs (25 Nm)
Connect AVR fan and 4-pin connector
Install AVR filter housing, torque to 50-96 in-lbs (6-11 Nm)
Repeat for other cylinder if necessary

Adjusting Magneto Flywheel Gap adjustment

⚠ Air gap between ignition magneto and flywheel on single cylinder engines is not adjustable.

Tools: 0.008-0.012 inch thickness gauge

Rotate the flywheel until the magnet is under the module (armature) laminations.
Place a 0.008-0.012 inch (0.20-0.30mm) thickness gauge between flywheel magnet and module laminations.
Loosen the mounting screws and let the magnet pull the magneto down against the thickness gauge.
Tighten both mounting screws.
To remove the thickness gauge, rotate the flywheel.
Repeat the above procedure for the second magneto.

Adjusting Valve Clearance adjustment

⚠ Risk of Burn. Allow the engine to cool before performing the following procedure.

Tools: feeler gauge, 10 mm wrench, 13 mm wrench, 14 mm wrench, 10 mm hex key

Remove spark plug wire(s) and position away from spark plug(s).
Remove spark plug(s).
Remove the four screws attaching valve cover. Remove and discard gasket.
Verify piston is at TDC of its compression stroke (both valves closed).
Loosen rocker jam nut using a 10 mm wrench (10 kW units) or 13 mm wrench (20-24 kW units).
Turn pivot ball stud using a 14 mm wrench (10 kW) or 10 mm hex key (20-24 kW) while checking clearance with a feeler gauge.
Hold pivot ball stud and tighten rocker arm jam nut.
Inspect valve clearance to verify it did not change.
Install new valve cover gasket and valve cover; tighten fasteners in a cross pattern.
Install spark plug(s) and tighten to 18 ft-lbs (25 Nm); attach spark plug wires.
Repeat process for other cylinder if equipped.

Ajustar a folga das válvulas adjustment

⚠ Risco de queimaduras. Deixe o motor esfriar antes de executar o procedimento.

Tools: Chave de 10 mm, Chave de 13 mm, Chave de 14 mm, Chave sextavada de 10 mm, Calibrador

Remova os fios das velas de ignição e remova as velas de ignição.
Remova os quatro parafusos que prendem a tampa da válvula; descarte a junta.
Verifique se o pistão está no TDC do seu curso de compressão.
Solte a contraporca do balanceiro (C) com chave de 10 mm ou 13 mm.
Gire o pino de esfera articulada (D) com chave de 14 mm ou sextavada de 10 mm e ajuste a folga.
Aperte a contraporca do braço oscilante e inspecione a folga novamente.
Instale a nova junta e as tampas das válvulas; aperte em padrão transversal.
Instale as velas e aperte a 25 Nm; conecte os fios das velas.

Ajuste de la luz de válvulas adjustment

⚠ Dejar enfriar el motor antes de ajustar.

⚠ Iniciar los cuatro tornillos antes de apretar.

Tools: Calibre de espesores, Llaves de 8/10/13/14 mm, Llave de casquillo, Casquillo grande

Cerrar la válvula de combustible y desconectar la batería.
Retirar cable(s) de bujía y alejarlos.
Retirar la(s) bujía(s).
Llevar el pistón al PMS de la carrera de compresión.
Retirar los cuatro tornillos de la cubierta de válvulas y desechar la junta.
Aflojar la contratuerca del balancín.
Girar el prisionero de bola pivote para ajustar la luz con calibre.
Sostener el prisionero y apretar la contratuerca; verificar y reinstalar con junta nueva.

Ajuste de la separación de la válvula adjustment

⚠ Deje que el motor se enfríe antes del procedimiento.

⚠ Desconecte el cable negativo y luego el positivo de la batería.

⚠ No necesario en unidades 14 o 18 kW con motor de 816 cc.

Tools: Llave de 10 mm, Llave de 13 mm, Llave de 14 mm, Llave hexagonal de 10 mm, Galga de espesores

Retire los hilos de las bujías y las bujías.
Retire los cuatro tornillos de la cubierta de la válvula y deseche la junta.
Verifique que el pistón esté en el PMS de su carrera de compresión.
Suelte la contratuerca del balancín (llave 10 mm en 10 kW, 13 mm en 20 a 24 kW).
Gire el espárrago del pivote (llave 14 mm en 10 kW, hexagonal 10 mm en 20 a 24 kW) ajustando la separación.
Sostenga el espárrago y apriete la contratuerca del balancín.
Inspeccione la separación para verificar que no cambió.
Instale una junta nueva y la cubierta de la válvula; apriete en patrón cruzado.
Instale las bujías y apriete a 25 Nm (18 lb-pie).
Conecte los hilos de las bujías.

Ajuster le jeu des soupapes adjustment

⚠ Risque de brûlure : laisser le moteur refroidir avant d’exécuter la procédure.

⚠ Réglage non requis sur les modèles de 14 ou 18 kW à moteur de 816 cc.

Tools: Clé de 10 mm ou 13 mm, Clé de 14 mm ou clé hexagonale de 10 mm, Jauge d’épaisseur

Laisser le moteur refroidir.
Débrancher les câbles de bougie et les placer à l’écart.
Retirer les bougies.
Retirer les quatre vis du cache-culbuteurs et mettre le joint au rebut.
S’assurer que le piston est au point mort haut (PMH) de sa course de compression.
Desserrer le contre-écrou de culbuteur.
Faire tourner le goujon pivot tout en contrôlant le jeu avec une jauge d’épaisseur.
Ajuster le jeu conformément à la section Moteur.
Tenir le goujon pivot et serrer le contre-écrou au couple spécifié.
Poser un joint de cache-culbuteurs neuf et remonter le cache-culbuteurs.
Mettre les bougies en place au couple de 25 Nm (18 pi-lb).

Check and Adjust Engine Governor (Single Cylinder Units) adjustment

Tools: Frequency meter, torque wrench

Loosen the governor clamp bolt.
Hold the governor lever at wide open throttle position.
Rotate the governor shaft clockwise as far as it will go.
Tighten the governor lever clamp bolt to 70 inch-pounds (8 N-m).
Start the generator; let it stabilize and warm up at no-load.
Connect a frequency meter across the generator AC output leads.
Turn the primary adjust screw to obtain a frequency of 61.5 Hz.
Turn the secondary adjust screw to obtain a frequency of 62.5 Hz.

Check and Adjust Valves adjustment

Tools: 10mm allen wrench, flat feeler gauge, torque wrench

Remove the four (4) screws from the rocker cover.
Remove the rocker cover and rocker cover gasket.
Loosen the rocker arm jam nut.
Use a 10mm allen wrench to turn the pivot ball stud.
Check clearance between rocker arm and valve stem with a flat feeler gauge.
Set valve clearance to 0.05-0.1mm (0.002-0.004 in.) cold.
Hold pivot ball stud with allen wrench and tighten rocker arm jam nut to 174 inch pounds.
Recheck valve clearance to make sure it did not change.
Re-install rocker cover gasket, rocker cover and the four screws.

Conversion de carburant adjustment

⚠ Explosion et incendie. Le carburant et ses vapeurs sont extrêmement inflammables et explosifs.

Localiser le bouton orange de conversion (A).
Tourner le bouton vers la flèche indiquant la source de carburant jusqu'à l'arrêt.
Le bouton tourne sur 180° et glisse dans le corps du mélangeur pour le propane liquide.
Saisir la sélection du carburant (PL ou GN) sur l'automate de contrôle (Assistant d'installation ou menu EDIT > Fuel Selection).

Conversión de combustible adjustment

⚠ Explosiones e incendio: no se permiten fugas de combustible.

Ubique la perilla naranja de conversión de combustible (debajo del mezclador en 9 kW, sobre el mezclador en 11 kW–22 kW).
Gire la válvula hacia la marca de flecha de la fuente de combustible hasta que se detenga.
Introduzca la selección de combustible (LP/gas natural) en el controlador mediante el Asistente de instalación o el menú EDIT, 'Fuel Selection'.

Conversión de combustible (GN a PL) adjustment

⚠ La perilla del selector de combustible debe ajustarse al combustible correcto para que el generador funcione correctamente.

Ubique la perilla de conversión de combustible naranja (bajo el mezclador en 10 kW; sobre el mezclador en 14 a 24 kW).
Gire la perilla de conversión hacia la flecha del tipo de combustible marcado hasta que se detenga.
La perilla gira 180° y se desliza hacia dentro del mezclador al convertir a propano líquido.
Ingrese la selección de combustible (PL/GN) en el controlador mediante el Asistente de instalación o el menú EDITAR.

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Voltage reconnection

Voltage	Phase	Connection	Leads	Notes
		0 – c.c. (-)	NOIR no 3	Fil de mise à la terre normal; obligatoire si jumelé à un commutateur de transfert de gestion intelligente de l'alimentation de Generac.
		23	BLANCO Núm. 5	Cable de señal lógica del control de transferencia
		23 (White #5)	E	Transfer Control Signal Wire
		Longueur de fil 1 à 35 m (1 à 115 pi)	Calibre 18 AWG	Conducteurs en cuivre seulement.
		Longueur de fil 35 à 56 m (115 à 185 pi)	Calibre 16 AWG	Conducteurs en cuivre seulement.
		Longueur de fil 56 à 89 m (185 à 295 pi)	Calibre 14 AWG	Conducteurs en cuivre seulement.
		Longueur de fil 89 à 140 m (295 à 460 pi)	Calibre 12 AWG	Conducteurs en cuivre seulement.
	1	Connect a 2008 and later load center switch to a pre-2008 air-cooled generator: Wire 0 will not be utilized. Remove battery charger from the transfer switch. Connect N1 (BLU) to N1 (YEL), N2 (YEL) to N2 (YEL), 23 (BRN) to 23 (WHT), 194 (ORG) to 15B (RED) using UL approved wire nuts.	N1, N2, 23, 194, 15B, 0	Battery charger in transfer switch will not be utilized in operation of the generator.
	1	Connect a pre-2008 load center switch to a current or future air-cooled generator: Wire 0 will not be utilized. Connect N1 (BLU) to N1 (YEL), N2 (YEL) to N2 (YEL), 23 (BRN) to 23 (WHT), 194 (ORG) to 15B (RED) using UL approved wire nuts.	N1, N2, 23, 194, 15B, 0	Wire 194 changed to 15B on current model air-cooled generators.
0 VCC		0	NEGRO Núm. 3	CC (-) Cable común de conexión a tierra. Requerido si el generador está apareado con un interruptor de transferencia de gestión de alimentación inteligente Generac.
12 V c.c.		194 – c.c. (+)	ROUGE no 4	Pour les commandes de transfert.
12 VCC		194	ROJO núm. 4	CC (+) para los controles de transferencia
12 VDC		194 (Red #4)	D	DC (+) 12 VDC for Transfer Controls
120 V c.a.		T1	BLEU no 3	Avec fusible 120 V c.a. pour le chargeur de la batterie; doit être branché pour que la batterie demeure chargée.
120 VAC		T1 (White #3)	B	Fused 120VAC for Battery Charger
120 VCA		T1	AZUL Núm. 3	Con fusible para el cargador de baterías (debe estar conectado para mantener la batería cargada, esté o no funcionando la unidad)
240	1	Transfer switch terminal lugs: connect utility source hot lines to N1 and N2; connect standby source hot lines (E1, E2) to E1 and E2; connect load lines from T1 and T2 to electrical load circuit; connect UTILITY, STANDBY and LOAD neutral lines to neutral block.	N1, N2, E1, E2, T1, T2	In 1-phase systems with a 2-pole transfer switch.
240 V c.a.		N1 et N2	JAUNE no 1 et no 2	Détectent les chutes et les hausses du réseau public.
240 VAC		N1 & N2 (Yellow #1 & #2)	A	Sensing for Utility Dropout and Pickup
240 VCA		N1 y N2	AMARILLO Núm. 1 y Núm. 2	Detección de desenganche y activación del servicio público
DC		0 (Black #3)	C	DC (-) Common Ground Wire

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the oil capacity of the Generac G-Force 1000 Series?

The Generac G-Force 1000 Series engine has an oil capacity of 1.8 liters.

What is the displacement of the Generac G-Force 1000 Series?

The Generac G-Force 1000 Series has a displacement of 0.999 liters with 2 cylinders.

Which generators use the Generac G-Force 1000 Series engine?

The Generac G-Force 1000 Series powers 33 generator set(s), including Generac 15 kW EcoGen, Generac 20 kW 3-Phase, Generac G007034-0, Generac G007035, Generac G007036.

How often should you change the oil in the Generac G-Force 1000 Series?

The Generac G-Force 1000 Series oil change interval is every 500 hours.

What is a common problem with the Generac G-Force 1000 Series engine?

A commonly reported issue on generators using the Generac G-Force 1000 Series is: Unit consumes large amounts of oil. Cause: Excessive engine oil.. Fix: Adjust oil to correct level. See Checking Engine Oil Level..

Generac G-Force 1000 Series Engine

Engine specifications

Generator sets powered by this engine

Troubleshooting

Symptoms & remedies

Common problems

Maintenance schedule

Service intervals

Service specifications

Recommended fluids

Fault codes

Procedures

Voltage reconnection

Common questions