Service parts for the 3 phase 60 Hz UR
Grouped by system, with how many of each the parts manual calls for.
Belts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 75 kW |
| Voltage options | 110 V, 120 V, 139 V, 220 V, 230 V, 240 V, 254 V, 277 V |
| Phase | Three Phase |
| Coolant capacity | 28 L |
| Max ambient | 40 °C |
Maintenance & consumables
for the Ford LSG 875-6005| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 100 hr | |||
| Fuel filter | — | 200 hr | |||
| Oil filter | — | 800 hr | |||
| Battery | Check the condition of the starting batteries at least every two weeks. See that connections are clean and tight. A light coating of grease will retard corrosion at terminals. Keep the electrolyte at the proper level above the plates by adding distilled water. | — | 100 hr | ||
| Belt | DRIVE BELT ADJUSTMENT | M-1702 | Amazon eBay | ||
| Coolant | 29.0 L | — | 50 hr | ||
| Coolant filter | — | ||||
| Oil | 9.0 L | — | 800 hr | ||
| Spark plug | Spark Plug Gap 0.035 inch (0.88 mm), Spark Plug Torque 10-15 Ibs ft (13.56-20.34 Nem) | — | 400 hr |
Common questions
What is the power rating of the Cummins/Onan 3 phase 60 Hz UR?
The Cummins/Onan 3 phase 60 Hz UR is rated 75 kW standby.
What engine does the Cummins/Onan 3 phase 60 Hz UR use?
The Cummins/Onan 3 phase 60 Hz UR is powered by the Ford LSG 875-6005 engine.
Troubleshooting
6Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| PRE Hi ENGINE TEMP | 2. 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). If engine can be stopped, follow procedures in step 3. Use the following procedures if generator is powering Critical loads and cannot be shutdown. a. Check air inlets and outlets and remove any obstructions to airflow. b. Open doors or windows in generator area to increase ventilation. c. Reduce load if possible by turning off non-critical loads. |
| HI ENG TEMP | *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). Allow engine to cool down completely before proceeding with the following checks: 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 Onan Dealer or Distributor if none of the above. |
| PRE LO OIL PRES | 4. PRE LO OIL PRES lamp lights. Engine continues to operate. | Indicates engine oil pressure has dropped to 30 psi (207 kPa). If engine can be stopped, follow procedures in step 5. If generator is powering critical loads and cannot be shut down, wait until next shutdown period and then follow step 5 procedure. |
| LO OIL PRES | *5. LO OIL PRES lamp lights. Engine shuts down | NOTE: See also step 6. |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| *1. Green RUN lamp lights following engine Start-up. | Indicates all engine systems are normal. No corrective action required. | |
| OVERCRANK lamp lights and engine stops cranking. | Possible fuel or ignition system problem. | A. Check fuel leaks, or plugged fuel lines b. Check for dirty fuel filter and replace if necessary c. Check for dirty or plugged air filter and replace if necessary d. Check for loose connections in the ignition primary, ignition secondary, or solenoid valve circuits and correct as required. e. Reset the control and restart after correcting the problem. Contact an Onan Dealer or Distributor for service if none of the above. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Cummins/Onan 3 phase 60 Hz UR troubleshooting guide (15 entries) →
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 928-0126 | Battery | 1 | Battery | Amazon eBay |
| M-1702 | DRIVE BELT ADJUSTMENT | Belt | Amazon eBay |
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.