Specifications
| Fuel | Natural Gas, Propane, Gasoline |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 35 kW |
| Prime power | 30 kW |
| Oil capacity | 7.0 L |
| Voltage options | 12 V |
| Phase | 3-Phase |
| Power factor | 0.8 |
| Battery group | 60 |
| Battery cranking | 660 CCA |
| Battery voltage | 12 V |
| Coolant capacity | 19 L |
Maintenance & consumables
for the Onan Modified Ford In-line 6 CSG-649| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 400 hr | find | ||
| Fuel filter | — | 200 hr | find | ||
| Oil filter | — | 2000 hr | find | ||
| Belt | — | 2500 hr | find | ||
| Coolant | — | 36500 hr | |||
| Coolant filter | — | find | |||
| Hydraulic filter | — | find | |||
| Oil | — | 1000 hr |
Common questions
What is the power rating of the Cummins/Onan E?
The Cummins/Onan E is rated 35 kW standby.
What engine does the Cummins/Onan E use?
The Cummins/Onan E is powered by the Onan Modified Ford In-line 6 CSG-649 engine.
What fuel does the Cummins/Onan E use?
The Cummins/Onan E runs on Natural Gas, Propane, Gasoline.
What is the oil capacity of the Cummins/Onan E?
The Onan Modified Ford In-line 6 CSG-649 engine in the Cummins/Onan E has an oil capacity of 7.0 liters.
Troubleshooting
40Fault codes
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| LO ENG TEMP lamp lights | Set is in standby mode but is not operating. | Lamp lights when engine coolant temperature is 70° F (21° C) or lower. Since the lamp goes out after the engine warms up, there should be no cause for alarm even during initial generator set operation. | |
| LO ENG TEMP | Indicates engine coolant heater is not operating or is not circulating coolant. | A. Coolant heater not connected to power supply. Check for blown fuse or disconnected heater cord and correct as required. b. Check for low coolant level and replenish if required. Look for possible coolant leakage points and repair as required. c. Contact an authorized service center if none of the above. | |
| FAULT 1 or FAULT 2 | Engine shuts down immediately, engine runs for several seconds and then shuts down, or engine continues to run. |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| PRE HI ENGINE TEMP lamp lights. Engine continues to operate. | Indicates engine has begun to overheat and engine temperature has risen to approximately 205° F (97° C). | A. Reduce load if possible by turning off non-critical loads. b. Check air inlets and outlets and remove any obstructions to airflow. If engine can be stopped, follow procedure in step 3. |
| HI ENG TEMP lamp lights. Engine shuts down. | Indicates engine has overheated (engine temperature has risen above 215° F/102° C) or coolant level is low (sets with coolant level sensor). | A. Check coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary. b. Check for obstructions to cooling airflow and correct as necessary. c. Check for a slipping fan belt and tighten if loose. d. Reset control and restart after locating and correcting problem. Contact an authorized service center if none of the above. |
| PRE LO OIL PRES lamp lights. Engine continues to operate. | Indicates engine oil pressure has dropped to 20 psi (138 kPa). | If generator is powering critical loads and cannot be shut down, wait until next shutdown period and then follow step 5 procedure. If engine can be stopped, follow procedures in step 5. |
| LO OIL PRES lamp lights. Engine shuts down. | Indicates engine oil pressure has dropped to 14 psi (97 kPa). | Check oil level and filters. If oil system is OK but oil level is low, replenish. Reset control and restart. Contact an authorized service center if oil pressure is not in the range of 35 to 60psi (241 to 414 kPa). |
| OVERCRANK lamp lights and engine stops cranking. | Indicates possible fuel or ignition system problem. | A. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary (see MAINTENANCE section). c. Check for dirty or plugged air filter and replace if necessary (see MAINTENANCE section). d. Check ignition system (see MAINTENANCE). e. Reset the control and restart after correcting the problem. Contact an authorized service center for service if none of the above. |
| Engine runs and then shuts down, OVERSPEED lamp lights. | Contact an authorized service center for service. | |
| SWITCH OFF lamp flashes. | Move the Run/Stop/Remote switch to the Remote position for automatic starting. | |
| LO FUEL lamp lights. Engine continues to run. | Indicates gasoline fuel supply is running low. Check fuel supply and replenish as required. | |
| LO FUEL LAMP lights. Engine shuts down and LO OIL PRES lamp lights. | Indicates engine has run | |
| Out of fuel | Check fuel level and replenish as required. | |
| Fault lamp lights but no fault exists. Engine gauges show oil pressure, engine temperature, and frequency (speed) are within normal limits. | The monitor board or a sensor may be at fault. Contact an authorized service center for service. | |
| Engine starts from generator control panel but will not start automatically or from a remote panel. | Remote circuit breaker is tripped. Reset breaker and restart. Contact an authorized service center if breaker trips after resetting. | |
| Engine will not crank. | A. Fault lamp on. Correct fault and reset control. b. Poor battery cable connections. Clean the battery cable terminals and tighten all connections. c. Discharged or defective battery. Recharge or replace the battery. d. Contact an authorized service center for assistance if none of the above. | |
| No AC output voltage. | Field breaker is tripped. Reset breaker. Contact an authorized service center if voltage buildup causes breaker to trip. | |
| Green RUN lamp does not light following engine startup. | Indicates possible Start/Disconnect relay failure. Contact an authorized service center for assistance. | |
| Engine does not run after a second attempt starting. | Refer to the Troubleshooting section. | |
| The green RUN lamp lights following engine startup. | 1. All engine systems are operating normally. 2. The red SWITCH OFF lamp is flashing, if provided. 3. Push the control panel switch to REMOTE when placing the set in service under remote, automatic control. | |
| The engine might not start. | Plug in or service the engine coolant heater, if provided. Install an engine coolant heater, if necessary. | |
| The engine does not crank. | If a red fault lamp is on, service the fault, and reset the engine control. Service the battery, terminals and cables as necessary. See Maintenance. | |
| The engine cranks, but does not start and the fault lamp lights (OVERCRANK if provided). | Check the fuel supply. Turn the FUEL SELECTOR SWITCH (if provided) to select the fuel that is available. Service the battery if the engine cranks too slowly to start, refill with engine oil of suitable viscosity and plug in or service the engine coolant heater, if provided. Install an engine coolant heater if necessary. See Maintenance. Service the carburetor, choke or ignition system as necessary. See Maintenance. Reset the engine control. | |
| The amber PRE-HI TEMP lamp lights, if provided and the engine coolant temperature gauge indicates 215° F (102° C) or more while the engine is running. | Shut down the set if possible. Service the cooling system as necessary. See Maintenance. If the set must not be shut down, disconnect as many non-critical loads as possible so that the engine will run cooler and service as soon as possible. | |
| The engine shuts down because of high engine temperature and the fault lamp lights (HI ENG TEMP, if provided). | Fill coolant, if necessary, after the engine has cooled down and fix the leaks. Observe the warning about hot coolant at the beginning of this section. Service the cooling system as necessary. See Maintenance. Reset the engine control. | |
| The amber PRE-LO OIL PRES lamp lights, if provided and the engine oil pressure gauge indicates 20 psi or less. | Shut down the set if possible. Fill oil, if necessary. If the set must not be shut down, disconnect as many non-critical loads as possible so that the engine will run cooler and service as soon as possible. | |
| The engine shuts down because of low oil pressure and the fault lamp lights (LO OIL PRES, if provided). | Fill oil, if necessary. See Maintenance. Reset the engine control. | |
| The engine shuts down because of overspeed and the fault lamp lights (OVERSPEED, if provided). | Check the governor and throttle linkage. Reset the engine control. | |
| A control panel circuit breaker has tripped. | Reset the circuit breaker. | |
| A control panel warning lamp does not light when the panel switch is pushed to LAMP TEST. | Replace the defective lamp. | |
| There is no output because the line circuit breaker (if provided) has tripped. | Determine the cause (overload or short circuit) and service as necessary. Reset the circuit breaker. | |
| Engine runs but current does not build up | Poor brush contact. Open circuit, Short circuit, or ground in generator. | See that brushes seat well, are free in holders, are not worn too short, and have good spring tension. See GENERATOR, replace part necessary. |
| Current steady but engine not misfiring | Speed too low. Poor commutation or brush contact. Loose connections. Fluctuating load. | Adjust governor to correct speed. Tighten connections. Correct any abnormal load condition causing trouble. |
| Engine overheating | Overloaded. | Reduce load. |
| Voltage drops under heavy load | Engine lacks power. Poor compression. Faulty carburetion. Restricted air cleaner. Excessive choking. Carbon in cylinders. Restricted exhaust line. | See remedies for engine missing under heavy load. Tighten cylinder head and spark plugs. If still not corrected, grind the valves. Replace piston rings, if necessary. Check the fuel system. Clean, adjust or replace parts necessary. Clean and refill. See that choke opens properly. Remove carbon. Clean or increase the size. |
| Engine misfires at light load | Carburetor idle adjustment set wrong or clogged. Spark plug gaps too narrow. Intake air leak. Faulty ignition. Uneven compression. | Adjust to correct gap. Tighten or replace gaskets. Clean, adjust, or replace breaker points, plugs, condenser, coils, etc., or retime ignition. Tighten cylinder head and spark plugs. If still not corrected, grind valves. Replace piston rings, if necessary. Worn intake valve stems. Replace valves. |
| Engine misfires at heavy load | Spark plugs defective. Faulty ignition. | Replace. Clean, adjust, or replace breaker points, plugs, condenser, coil, etc., or retime ignition. |
| Engine backfires at carburetor | Lean fuel mixture. Clogged fuel screen. Intake air leak. | Clean carburetor. Clean screen. Replace flange gaskets, tighten carburet. Poor fuel. Refill with good, fresh fuel. Spark too late. Retime ignition. Spark plug wires crossed. Install wires correctly. Intake valves leaking. Grind or replace. |
| Excessive oil consumption, light blue smoky exhaust | Poor compression, usually due to leaking valves. | Tighten cylinder head and plugs. If still not corrected, grind or replace valves. Oil leaks from engine or connections. This does not cause smoky exhaust. Tighten screws and connections. Oil too light or diluted. Drain, refill with correct oil. Too large bearing clearance. Replace. Oil pressure too high. Refer to symptoms of high oil pressure for remedies. Engine misfires. Refer to symptoms of engine misfires. Faulty ignition. Clean, adjust, or replace breaker points, plugs, condenser, coil, etc., or retime ignition. Unit operated at light or no load for long periods. No remedy needed. Too much oil. Drain excess oil. |
| Black, smoky exhaust, excessive fuel consumption, fouling of spark plugs with black soot. Possible lack of power under heavy load | Fuel mixture too rich. | Adjust choke. Install needed carburetor parts, adjust float level. Choke not open. See that choke opens properly. Dirty air cleaner. Clean, refill to proper level. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
96| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 01810 | 2000/18 10 Micron | 1 | Filter elements | PartsGeek |
| 01830 | 2000/18 30 Micron (standard) | 1 | Filter elements | PartsGeek |
| 01860S | 2000/18 60 Micron, stainless steel | 1 | Filter elements | PartsGeek |
| 10-256 | MALE ADAPTER Male Flare x Male NPTF 1/4” x 1/4” | 1 | Air filter | PartsGeek |
| 10-257 | MALE ADAPTER Male Flare x Male NPTF 1/4” x 3/8” | 1 | Oil filter | PartsGeek |
| 10-258 | MALE ADAPTER Male Flare x Male NPTF 1/4” x 1/2” | 1 | Fuel filter | PartsGeek |
| 10-259 | MALE ADAPTER Male Flare x Male NPTF 5/16” x 1/8” | 1 | Coolant filter | PartsGeek |
| 129698-77190 | BRACKET | 3 | Bracket | PartsGeek |
| 142-367 | Air Filter | 1 | Air filter | PartsGeek |
| 142-389 | Oil Filter | 1 | Oil filter | PartsGeek |
| 142-567 | Fuel Filter | 1 | Fuel filter | PartsGeek |
| 142-765 | Belt | 1 | Belt | PartsGeek |
| 142-890 | Coolant Filter | 1 | Coolant filter | PartsGeek |
| 142-987 | Spark Plug | 1 | Spark plug | PartsGeek |
| 1552267 | G-C2 | 1 | Connector | PartsGeek |
| 1552269 | G-C7 | 1 | Connector | PartsGeek |
| 280B | HAND WHEEL | 1 | Handle | PartsGeek |
| 411294FO | Ball or Tapered Roller Bearing | 6 | Bearing | PartsGeek |
| 434198FO | Ball or Tapered Roller Bearing | 1 | Bearing | PartsGeek |
| 437425FO | Ball or Tapered Roller Bearing | 1 | Bearing | PartsGeek |
| 453.16 | Seal Pack – identified ‘E’ | Gasket | PartsGeek | |
| 5395259 | Crankshaft Rear Oil Seal Installation Kit | Seal | PartsGeek | |
| 5395330 | Crankshaft Rear Oil Seal Removal Kit | Seal | PartsGeek | |
| 786A | SPACER | 1 | Spacer | PartsGeek |
| AA519R | FUEL SCREEN IN SEDIMENT BOWL | Fuel filter | PartsGeek | |
| AB1-19-1 | Diaphragm ass'y, primary | 1 | Diaphragm | PartsGeek |
| AB1-20 | Screw, 12-24 x 7/8" SEMS (7) | 1 | Screw | PartsGeek |
| AC1-22-2 | Cover ass'y | 1 | Cover | PartsGeek |
| AD1-14-1 | Diaphragm ass'y, secondary, Hydrin | 2 | Diaphragm | PartsGeek |
| AD1-14-2 | Diaphragm ass'y, secondary, Hydrin (not available in silicone) | Diaphragm | PartsGeek | |
| AD1-23 | Diaphragm ass'y, secondary, Hydrin | 4 | Diaphragm | PartsGeek |
| AD1-23-2 | Diaphragm ass'y, secondary, VMQ E | 1 | Diaphragm | PartsGeek |
| AD1-23-3 | Diaphragm ass'y, secondary, VMQ PE | 1 | Diaphragm | PartsGeek |
| AD1-23-4 | Diaphragm ass'y, secondary, FVMQ PE | 1 | Diaphragm | PartsGeek |
| AL1-86 | Lever, secondary | 1 | Lever | PartsGeek |
| AN500T0007 | STARTER MOTOR (w/ pad terminal) | Starter | PartsGeek | |
| AR26350 | OIL FILTER | Oil filter | PartsGeek FridayParts $18.99 | |
| C072754 | Sensors, C18 & C13 | Sensor | PartsGeek | |
| F3-1 | Sponge | 1 | Sponge | PartsGeek |
| G1-30079 | Cover, heat exchanger | 1 | Cover | PartsGeek |
| G1-37 | Cover, primary diaphragm | 1 | Cover | PartsGeek |
| G1-84 | Gasket, spring housing | Gasket | PartsGeek | |
| H1-5 | Model PE-7-3 | 1 | Model | PartsGeek |
| H3-3 | Housing spring | 1 | Spring | PartsGeek |
| LS1169s | FILTER GASKET | 1 | Oil filter | PartsGeek |
| P0005255 | Fuel level gauge | Fuel filter | PartsGeek | |
| P1-11 | Screw, 10-24 x 3/8" SEMS (2) | 1 | Screw | PartsGeek |
| S1-101 | Screw, 6-32 x 1/4" SEMS (4) | 4 | Screw | PartsGeek |
| S1-3 | Cover, diaphragm | 2 | Cover | PartsGeek |
| S1-59 | Screw, 8-32 x 5/8" SEMS (4) | 4 | Screw | PartsGeek |
| S1-86 | Spring, valve | 1 | Spring | PartsGeek |
| S12/P | Auto / Manual Transfer, Source 2-1 / 1-2 | Transfer | PartsGeek | |
| S13/P | Commit / No Commit Transfer to Source 2 | Commit transfer | PartsGeek | |
| S2-13 | Pin, secondary lever fulcrum | 1 | Pin | PartsGeek |
| S2-22 | Spring, secondary regulator (blue), standard | 1 | Spring | PartsGeek |
| S2-23 | Spring, secondary regulator (orange), optional | 1 | Spring | PartsGeek |
| S2-37 | Spring, secondary | 1 | Spring | PartsGeek |
| S4-37 | Seat, secondary (new) | 1 | Seat | PartsGeek |
| S4-7 | Seat, primary | 1 | Seat | PartsGeek |
| 0-15OV | ........... Transformer, Variable 2 Amp | 1 | Service part / kit | PartsGeek |
| 0-1OV | and 0-15OV and | 50 | Service part / kit | PartsGeek |
| 11-92 | Date: | 4 | Service part / kit | PartsGeek |
| 201-2985 | 2984 | Service part / kit | PartsGeek | |
| 220-3686 | 3691 | Service part / kit | PartsGeek | |
| 26100B | Pan, 24 hr. containment | 1 | Service part / kit | PartsGeek |
| 26460B | Pan, 36 hour containment | 1 | Service part / kit | PartsGeek |
| 315-0386 | ................. .Transformer, Input | 1 | Service part / kit | PartsGeek |
| 3E3361 | J-C3 | 1 | Service part / kit | PartsGeek |
| 437-4129 | J-C14 | 1 | Service part / kit | PartsGeek |
| 4389-4758-4679 | Static Rotor Amp Draw Test Results - Model A, B, C, D, E, F, G, H | Service part / kit | PartsGeek | |
| 4390-4760 | Static Rotor Amp Draw Test Results - Model A, B, C, D, E, F, G, H | Service part / kit | PartsGeek | |
| 4456-4759 | Static Rotor Amp Draw Test Results - Model A, B, C, D, E, F, G, H | Service part / kit | PartsGeek | |
| 453.08 | Inlet Manifold Assembly – identified ‘B’ | Service part / kit | PartsGeek | |
| 928-0502B | Service part / kit | PartsGeek | ||
| 928-0506 | Service part / kit | PartsGeek | ||
| 960-0135 | Service part / kit | PartsGeek | ||
| 960-0504A | Service part / kit | PartsGeek | ||
| 960-0505 | Service part / kit | PartsGeek | ||
| 960-12 | Service part / kit | PartsGeek | ||
| 981-0624 | 1 | Service part / kit | PartsGeek | |
| 981-0625 | Generator Set | 7 | Service part / kit | PartsGeek |
| 9X0481 | J-C5 | 1 | Service part / kit | PartsGeek |
| 9X0841 | J-C13 | 1 | Service part / kit | PartsGeek |
| FPS-KIT-06 | Replacement Memory Pack | 1 | Service part / kit | PartsGeek |
| FPS210S02 | 220V@50Hz w/ fuel conditioner w/ metal heat deflector | 1 | Service part / kit | PartsGeek |
| FPS210S06 | Reverso 220V@50Hz Separ w/ metal heat deflector | 1 | Service part / kit | PartsGeek |
| FPS210S36 | 220V@50Hz w/ fuel conditioner | 1 | Service part / kit | PartsGeek |
| FPS210S38 | Reverso 220V@50Hz Separ | 1 | Service part / kit | PartsGeek |
| L21-4 | L21-1 | 1 | Service part / kit | PartsGeek |
| P0001006 | EVC menu display | Service part / kit | PartsGeek | |
| P0001315 | Fault handling display | Service part / kit | PartsGeek | |
| S7-1 | Screen, atmospheric vent | 1 | Service part / kit | PartsGeek |
| T3-T6 | 17-T 10 | 4 | Service part / kit | PartsGeek |
| TB21- | & 2 from | 1 | Service part / kit | PartsGeek |
| VR21-10 | VR21-2 | 4 | Service part / kit | PartsGeek |
| VR21-4 | VR21-6 | 9 | Service part / kit | PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | |||
| Standby |