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Ingersoll Rand P185 Air Compressor

The Ingersoll Rand P185 is a air compressor powered by a John Deere 4045D engine.

4.524 L
Displacement
4
Cylinders
58 kW
Engine power
7
Parts

Engine

John Deere 4045D
Displacement4.524 L
Cylinders4
AspirationNaturally Aspirated
Rated speed2200 rpm
Oil capacity10.2 L

This engine also powers 2 generator set(s) on Facts About Generators.

Troubleshooting

58

Symptoms & remedies

SymptomCauseRemedy
Low Oil LevelAdd oil.
Clogged Oil Filter Element(s)Replace element(s).
Out of Level >15 degreesRelocate or reposition unit.
Loose Wire ConnectionRepair or replace.
Broken Engine Fan BeltReplace fan belt set.
Malfunctioning Circuit BoardReplace circuit board.
Low Battery VoltageCheck electrolyte level. Add if necessary.
Loose or Broken BeltsTighten or replace belt set.
Malfunctioning AlternatorRepair or replace alternator.
Shorted wire (ground)Repair short.
Bulb Burned OutReplace circuit board.
Defective Low Fuel Shutdown SwitchPull wire off shutdown solenoid. Replace switch.
Defective Discharge Air Temperature SwitchPull wire off. Replace switch.
Defective Sep. Temp. SwitchReplace switch.
Defective Engine Temp. SwitchReplace switch.
Defective Engine Oil Pressure SwitchPull wire off. Replace switch.
Defective Shutdown SolenoidCarefully block air inlet to stop engine.
Malfunctioning RelayReplace relay.
Defective Start SwitchPull wire off shutdown solenoid. Replace defective item.
Wire Shorted HotRepair short.
Dirty CoolerClean exterior surfaces.
Operating Pressure Too HighReduce pressure to spec.
Dirty Operating ConditionsMove unit to cleaner environment.
Ambient Temp. > 125°F (52°C)Above spec limit.
Out of Level > 15 degreesRelocate or reposition unit.
Wrong Lube OilCheck spec in this manual.
Recirculation Of Cooling AirClose side doors. Replace belly pan.
Malfunctioning ThermostatReplace thermostat in bypass valve.
Defective Oil Cooler Relief ValveReplace valve.
Engine RPM DownAdjust RPM
Excessive VibrationCheck fan belt tension. Tighten or replace belt set.
Low CFMSee Tables 11, 12, 13, 15, 16 or 18.
Defective Minimum Pressure ValveRepair or replace valve.
Malfunctioning FanCheck fan belt tension. Tighten or replace belt set.
Blocked or Restricted Oil LinesClean by flushing or replace.
Airend MalfunctioningSee Tables 11, 12, 13, 15, 16 or 18.
Clogged Fuel FilterClean primary filter. Replace final filter. Drain tanks. Add CLEAN fuel.
Dirty Air FilterClean or replace elements.
Incorrect Pressure Regulator AdjustmentAdjust regulator.
Incorrect Linkage AdjustmentAdjust linkage.
Wrong Air Filter ElementInstall correct element.
Malfunctioning Pressure RegulatorReplace regulator.
Malfunctioning Air CylinderReplace air cylinder and adjust.
Defective Separator ElementInstall new element.
Engine MalfunctioningSee Trouble Shooting in Engine Section.
Unit ShutdownOut of Fuel, Compressor Oil Level Too Low, Compressor Oil Temp. Too High, Engine Water Temp. Too High, Loose Wire Connection, Low Fuel Level Shutdown Switch, Defective Discharge Air Temp. Switch, Defective Engine Oil Pressure Switch, Broken Engine Fan Belt, Engine Oil Pressure Too Low, Defective Shutdown Solenoid, Malfunctioning Relay, Blown Fuse, * < 10 Volts at Shutdown SolenoidAdd CLEAN diesel Fuel, Add correct oil, See Table 10, Check coolant level. If necessary, Add., Wiggle wires at switches & connector blocks. Make repairs., Replace switch., Replace switch., Replace switch., See Table 3 and Table 4., Replace solenoid., Replace relay., Replace fuse/Check for Short., Check battery and alternator. Make repairs.
Won’t Start/RunOut of Fuel, Clogged Fuel Filters, Compressor Oil Level Too Low, Loose Wire Connection, Low Battery Voltage, * <10 Volts at Shutdown Solenoid, Engine Malfunctioning, Airend MalfunctioningAdd CLEAN diesel Fuel, Service filters., Add corrected oil, Repair or replace connection., Check electrolyte level. Check connections., Charge battery and alternator. Make repairs., Replace/Repair Alternator, See Table 10.
Engine Temperature Lamps Stays OnDefective Shutdown Solenoid, Defective Engine Temp. Switch, Defective Separator Tank Temp Switch, Defective Low Fuel Shutdown Switch, Malfunctioning Relay, Engine Malfunctioning, Airend MalfunctioningReplace solenoid., Replace Switch, Replace Switch, Replace Switch, Replace relay., See Trouble Shooting in Engine Section., See Table 10.
Engine Oil Pressure Lamp Stays OnDefective Shutdown Solenoid, Defective Engine Temp. Switch, Defective Separator Tank Temp Switch, Defective Low Fuel Shutdown Switch, Malfunctioning Relay, Engine Malfunctioning, Airend MalfunctioningReplace solenoid., Replace Switch, Replace Switch, Replace Switch, Replace relay., See Trouble Shooting in Engine Section., See Table 10.
Engine Temperature Lamps Stays OffDefective Shutdown Solenoid, Defective Engine Temp. Switch, Defective Separator Tank Temp Switch, Defective Low Fuel Shutdown Switch, Malfunctioning Relay, Engine Malfunctioning, Airend MalfunctioningReplace solenoid., Replace Switch, Replace Switch, Replace Switch, Replace relay., See Trouble Shooting in Engine Section., See Table 10.
Engine Oil Pressure Lamp Stays OffDefective Shutdown Solenoid, Defective Engine Temp. Switch, Defective Separator Tank Temp Switch, Defective Low Fuel Shutdown Switch, Malfunctioning Relay, Engine Malfunctioning, Airend MalfunctioningReplace solenoid., Replace Switch, Replace Switch, Replace Switch, Replace relay., See Trouble Shooting in Engine Section., See Table 10.
Scored ShaftSee instructions in new seal kit.
Leak in Regulator PipingFind and repair leak(s).
Malfunctioning Inlet Valve UnloaderInspect valve. Repair/Replace.
Ice in Regulation Lines/OrificeApply heat to line(s) and or orifice.
Incorrect Stopping ProcedureRead Procedure in this manual.
Malfunctioning UnloaderRepair/Replace.
Defective Safety ValveReplace safety valve.

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

Parts

7
Part #DescriptionQtySystem
35308030Engine Oil Filter Element1Oil filter Amazon $43.72 eBay $59.46
35393651Optional Secondary (Compressor) Air Cleaner Element1Air filter Amazon $95.99 eBay $21.55
35393685Air Cleaner Element (Compressor/Engine)1Air filter Amazon $49.95 eBay $24.99 FridayParts $25.31
36534659Engine Fuel Filter Element1Fuel filter Amazon $31.04 eBay $19.99 FridayParts $186.50
36897353Compressor Oil Filter Element1Oil filter Amazon $29.45 eBay $15.06 FridayParts $49.99
P185WJDCompressor Oil Level1Oil Amazon eBay $39.80 FridayParts $56.80
DKA270IICWPLitho in U.S.A. (03-02)Service part / kit Amazon

Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.

Aftermarket parts that fit this air compressor

5

Parts listed by aftermarket suppliers as fitting this air compressor — leads compiled from supplier catalogs; verify the exact part for your serial number.

Available documents

Service manual

Common questions

What engine is in the Ingersoll Rand P185?

The Ingersoll Rand P185 air compressor is powered by the John Deere 4045D engine.

About

Ingersoll Rand P185 — air compressor. Specifications and parts compiled from manufacturer documents.

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Service & wear parts for the Ingersoll Rand P185.

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