TP-6137 5/0340 Section 7 Troubleshooting
Problem Possible Cause Corrective Action
High fuel consumption Incorrect fuel type. Use correct fuel.
Clogged or dirty air intake screen. Service the air intake screen.
Engine overloaded. Reduce the load.
Incorrect valve clearance. Contact your local Kohler generator set
distributor for service.
Incorrect fuel injection timing. Contact your local Kohler generator set
distributor for service.
Low engine temperature. Check the thermostat.
Incorrect compression. Contact your local Kohler generator set
distributor for service.
Fuel leakage. Check for leaks at the fuel tank, lines, and
engine fuel system.
Unit is noisy Exhaust system leak. Check the exhaust system.
Exhaust system not securely installed. Check for loose parts.
Broken or damaged vibromounts. Check the vibromounts.
No installation clearance. Units hits the
craft structure or compartment.
Check the clearance.
No compartment sound insulation. Install approved insulation.
Excessive vibration. Contact your local Kohler generator set
distributor for service.
Loose or vibrating sheet metal. Tighten all bolts.
Abnormal noise Worn or inoperative bearing or gear. Contact your local Kohler generator set
distributor for service.
Loose bolt or screw. Tighten the hardware.
Low lube oil level. Add lube oil.
Battery will not charge Loose or corroded connections. Clean and tighten connections.
Sulfated or worn battery connections. Check the electrolyte level and specific
gravity (batteries with filler caps only).
Inoperative battery charging system. Check the charging system.
Battery charging fuse blown. Replace the fuse. If the fuse blows again,
contact your local Kohler generator set
distributor for service.
Starter does not work properly Loosened or corroded connections. Clean and tighten the loose connections.
Low battery output power. Check the electrolyte level and specific
gravity (batteries with filler caps only).
Check battery voltage.
Inoperative starter solenoid. Replace the starter solenoid.
Inoperative start/stop switch. Replace the switch.
Inoperative wiring. Check the wiring.
Starter cranks slowly Low battery output. Check the electrolyte level and specific
gravity (batteries with filler caps only).
Too heavy viscosity lube oil. Use proper viscosity oil.
Loosened or corroded wiring. Clean and tighten loose connections.
High starter current draw. Rebuild or replace the starter.
Battery cable undersized. See the installation manual.