Kohler 15CCO Service Manual page 60

Problem
Will not
carry load
or runs
rough
(continued)
Problem
Lacks power Governor not properly
adjusted or defective
(Engine not operating
Incorrect injection timing
Uneven fuel injection
4-8 General Troubleshooting
Possible Cause
Defective injection
pump
Improper lube oil
Possible Cause
at rated RPM)
Air cleaner clogged
Improper cooling
Engine overloaded
Stale or bad fuel
Fuel line restriction
Dirty fuel filter
Compression leak
Corrective Action
Check injection pump
Use proper viscosity
oil
Corrective Action
Check engine speed
using frequency meter
or tachometer.
NOTE: For 60 Hz--1800 RPM
For 50 Hz--1500 RPM
Clean or replace
element
Inspect cooling system
Reduce electrical load
Replace
Check fuel lines and
tank
Replace fuel filter
Adjust injection timing
Repair/replace injectors
and/or injection pump
Replace head gasket.
Tighten cylinder head
bolt, air heater,
and nozzle holder
Reference
Engine Service Manual
Section 3. Lubrication
System
Reference
Section 3. Governor
Section 3. Air Cleaner
Service
Section 3. Cooling System
Section 3. Wattage
Requirements
Section 3. Fuel System
Engine Service Manual
Engine Service Manual
Engine Service Manual
TP-5606 6/02