Kohler 5ECD Service Manual page 22

Troubleshooting Chart, continued
Problem Possible Cause
Noisy y Exhaust system leaks
operation i
Engine not running smoothly
Broken or damaged
vibromount(s)
Loose or vibrating sheet
metal/housing
Exhaust piping or air inlets/outlets
not securely installed
Excessive engine/generator
vibration
22 Section 3 Troubleshooting
Corrective Action
Check and replace as necessary.
See "Generator set operates erratically," this table.
Check and replace as necessary.
Retighten screws, replace rivets.
Inspect for loose parts and secure if necessary.
Check, rotor, crankshaft, bearing, etc. (disassembly of
engine and/or alternator may be required).
Reference
O/M
—
—
—
—
Engine S/M
TP-6391 9/08