Specifications
| Fuel | Natural Gas, Propane vapor |
|---|---|
| Standby power | 25 kW |
Maintenance & consumables
for the Impco GM 3.0L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | soft bristle brush, vacuum cleaner, low pressure air (not to exceed 25 psi) | — | 200 hr | find | |
| Fuel filter | — | 2000 hr | find | ||
| Oil filter | — | 100 hr | find | ||
| Belt | cracks, chunking of the belt, splits, material hanging loose from the belt, glazing, hardening | — | 1000 hr | find | |
| Coolant | Change coolant every 3500 hours or two years, whichever occurs first | — | 3500 hr | ||
| Coolant filter | — | find | |||
| Oil | GM specification 9986231, ILSAC GF-4 oils preferred | — | 100 hr |
Common questions
What is the power rating of the Impco GM 3.0?
The Impco GM 3.0 is rated 25 kW standby.
What engine does the Impco GM 3.0 use?
The Impco GM 3.0 is powered by the Impco GM 3.0L engine.
What fuel does the Impco GM 3.0 use?
The Impco GM 3.0 runs on Natural Gas, Propane vapor.
Troubleshooting
4Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine ignition system failure | Spark plug, cap, rotor or wire fails | No DTC code may be set |
| Fuel pressure issues | Inadequate supply pressure to the fuel system low pressure regulator | Check for negative pressure between -2.0” W.C. to -6.0” W.C., and ensure proper gas supply pressure |
| Engine running lean condition | Negative pressure over -8.0 inches water | Check fuel system low pressure regulator or supply pressure |
| Engine running rich condition | Constant positive pressure | Ensure proper gas supply pressure |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
1| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 19616 | Spectrum IV DST (Diagnostic Scan Tool) | 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 |