Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 200 kW |
| Standby kVA | 250 |
| Controller | engine controller |
| Oil capacity | 23.471689562 L |
| Alternator | Mecc Alte ECO 34 2L |
| Voltage options | 208 V, 220 V, 240 V, 416 V, 440 V, 460 V, 480 V |
| Phase | 1 |
| Rated current | [375, 435] A |
| Circuit breaker | [3, 10] A |
| Battery voltage | 12 V |
| Coolant capacity | 7.4 L |
| Dimensions (L×W×H) | 1560×570×592 mm |
| Dry weight | 2203 kg |
| Sound level | 71.0 dBA |
| Fuel tank | 70.0 L |
Engine
| Oil capacity | 23.471689562 L |
|---|---|
| Coolant capacity | 7.4 L |
| Displacement | 0.0068 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | — | 500 hr | find | ||
| Oil filter | DZ118286 | 500 hr | PartsGeek | ||
| Belt | — | 250 hr | find | ||
| Coolant filter | — | find | |||
| Oil | — | 500 hr |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What is the power rating of the Atlas Copco QAS 138?
The Atlas Copco QAS 138 is rated 200 kW standby (250.0 kVA).
What engine does the Atlas Copco QAS 138 use?
The Atlas Copco QAS 138 is powered by the John Deere 6068HF150 engine.
What is the oil capacity of the Atlas Copco QAS 138?
The John Deere 6068HF150 engine in the Atlas Copco QAS 138 has an oil capacity of 23.471689562 liters.
What alternator does the Atlas Copco QAS 138 use?
The Atlas Copco QAS 138 uses a Mecc Alte ECO 34 2L alternator.
Troubleshooting
38Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine hard to start or will not start. | Dirty or faulty injection nozzles; Crankcase oil too heavy; Improper type of fuel; Water, dirt or air in fuel system; Clogged fuel filter; Engine overloaded; Intake air restriction; Clogged fuel filter | Consult authorized diesel repair station; Use cold weather starting aids; Verify correct starting procedure; Use oil of proper viscosity; Drain, flush, fill, and bleed system; Replace filter element; Reduce load; Service air cleaner; Replace filter elements; Use proper fuel |
| Engine overloaded. | Reduce load | |
| Intake air restriction. | Service air cleaner | |
| Clogged fuel filter. | Replace filter elements; Drain, flush, fill, and bleed system; Replace fuel filter element | |
| Improper type of fuel. | Use proper type of fuel for operating conditions; Use proper fuel | |
| Overheated engine. | See “Engine Overheats” | |
| Low coolant temperature. | Remove and check thermostat; Warm up engine to normal operating temperature | |
| Engine knocks. | See “Engine Overheats” | |
| Defective thermostat. | Remove and check thermostat; Check water temperature with thermometer and replace, if necessary | |
| Engine runs irregularly or stalls frequently. | Dirty or faulty injection nozzles | See your authorized servicing dealer or engine distributor |
| Defective temperature gauge or sender. | Check gauge, sender and connections | |
| Engine emits white smoke. | Engine out of time | See your authorized servicing dealer or engine distributor |
| Engine out of time. | See your authorized servicing dealer or engine distributor | |
| Engine emits black or gray exhaust smoke. | Turbocharger not functioning | See your authorized servicing dealer or engine distributor |
| Low coolant level. | Fill radiator to proper level, check radiator and hoses for loose connections or leaks; Check thermostat | |
| Faulty radiator cap. | Have service company check | |
| Stretched poly-vee belt or defective belt tension. | Check automatic belt tensioners and check belts for stretching. Replace as required | |
| Low engine oil level. | Check oil level. Add as required | |
| Cooling system needs flushing. | Flush cooling system | |
| Engine overheats. | Incorrect grade of fuel | Use correct grade of fuel |
| Clogged or dirty air cleaner. | Service air cleaner | |
| Improper valve clearance. | See your authorized servicing dealer or engine distributor | |
| Injection nozzles dirty. | See your authorized servicing dealer or engine distributor | |
| Defective turbocharger. | See your authorized servicing dealer or engine distributor | |
| High fuel consumption. | Low engine temperature | Check thermostat; Check water temperature with thermometer and replace, if necessary |
| Engine shuts down after approx. 15 seconds. | Poor connection on oil or coolant temperature switches | Check connections; Check controller DIP switches |
| Alternator doe not excite. | Blown Fuse. Insufficient Voltage. No residual Voltage. | Replace Fuse. Increase speed by 15%. For an instant apply on the + and – terminals of the electronic regulator a 12 V battery voltage with a 30 ? resistor in series respecting the polarities. |
| After being excited, alternator does not excite. | Connections are interrupted. Low voltage at no load. Voltage potentiometer out of setting. Intervention of protection. Winding Failure. | Check connection cables per drawings. Reset Voltage. Check RPM. Check Windings. |
| High voltage at no load. | Voltage potentiometer out of setting. Failed regulator. | Reset Voltage. Substitute regulator. |
| Lower than rated voltage at load. | Voltage potentiometer out of setting. Intervention by protection. Failed regulator. | Reset voltage potentiometer. Current too high, power factor lower than 0.8, speed lower than 4% of rated speed. Substitute regulator. |
| Higher than rated voltage. | Voltage potentiometer out of setting. Failed regulator. | Reset Voltage. Substitute regulator. |
| Unstable voltage. | Speed variation in engine. Regulator out of setting. | Check engine rotation. Regulate the stability of regulator by acting on “STABILITY” potentiometer. |
| Incorrect starting procedure. | Verify correct starting procedure. | |
| No fuel. | Check fuel in tank and manual shut-off valve. | |
| Exhaust restricted. | Check and correct exhaust restriction. | |
| Fuel filter plugged or full of water. | Replace fuel filter or drain water from filter. | |
| Injection pump not getting air or fuel. | Check fuel flow at supply pump or bleed fuel system. | |
| Engine cranks but will not start. | Fau |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| No/full load | 6.8 | 7.9 | |
| Prime | 6.8 | ||
| Standby | 1.0 | ||
| Standby | 25% | 0.3 | 0.78125 |
| Standby | 50% | 0.5 | 1.125 |
| Standby | 75% | 0.8 | 1.875 |
| Standby | 100% | 1.1 | 2.53125 |
Available documents
Spec sheet — Atlas Copco (Atlas Copco)Reference — Equipamentos para Aluguer tcm55-120599Service manual — QAS 108 - 138 JD Inst (Atlas Copco)