Kohler 20CCOZ User Manual

TP-5592 7/96 Troubleshooting 4-3
Engine (Continued)
Problem Possible Cause Corrective Action
Lacks power
Air intake clogged Service air intake silencer
L
a
c
k
s
p
o
w
e
r
Bad or stale fuel Replace fuel
Engine not operating at rated RPM See authorized Kohler service distributor/dealer
Governor adjustments incorrect See authorized Kohler service distributor/dealer
Carbon build-up Clean carbon from cylinder heads
Inadequate cooling Inspect cooling system
Fuel line restricted Check fuel lines
Dirty fuel filter Service fuel filter
Engine overloaded Reduce load
Incorrect valve clearance See authorized Kohler service distributor/dealer
Dirty or faulty injectors See authorized Kohler service distributor/dealer
Incorrect fuel injection timing See authorized Kohler service distributor/dealer
Incorrect engine compression See authorized Kohler service distributor/dealer
Vent in fuel tank cap obstructed Clean cap in solvent; blow dry
Engine emits black or
g
r
a
y
e
x
h
a
u
s
t
s
m
o
k
e
Incorrect type of fuel Use correct fuel
E
n
g
i
n
e
e
m
i
t
s
b
l
a
c
k
o
r
gray exhaust smoke
Clogged or dirty air intake silencer Service air intake silencer
Defective injection pump See authorized Kohler service distributor/dealer
Faulty injectors See authorized Kohler service distributor/dealer
Incorrect fuel injection timing See authorized Kohler service distributor/dealer
Incorrect valve clearance See authorized Kohler service distributor/dealer
Lube oil level too high Drain out surplus lube oil
Incorrect lube oil Use correct viscosity oil
Low lube oil pressure
Low lube oil level Add lube oil
L
o
w
l
u
b
e
o
i
l
p
r
e
s
s
u
r
e
Incorrect lube oil viscosity Drain, fill correct lube oil
Defective lube oil pump See authorized Kohler service distributor/dealer
Defective oil pressure switch Replace safety shutdown switch
High lube oil
c
o
n
s
u
m
p
t
i
o
n
Too light viscosity oil Use correct viscosity oil
H
i
g
h
l
u
b
e
o
i
l
consumption
Oil leaks Check for leaks in lines, around gasket, and
drain plug
Incorrect type of oil Use oil of correct viscosity
Clogged breather system Clean breather system
Defective piston ring, piston, cylinder liner,
valve guide, and seat
See authorized Kohler service distributor/dealer
High fuel consumption
Incorrect type of fuel Use correct fuel
H
i
g
h
f
u
e
l
c
o
n
s
u
m
p
t
i
o
n
Clogged or dirty air intake silencer Service air intake silencer
Engine overloaded Reduce load
Incorrect valve clearance See authorized Kohler service distributor/dealer
Incorrect fuel injection timing See authorized Kohler service distributor/dealer
Low engine temperature Check thermostat
Incorrect compression See authorized Kohler service distributor/dealer
Fuel leakage Check for leaks at fuel tank, lines, and engine
fuel system

Kohler 20CCOZ Specifications

General

Brand	Kohler
Model	20CCOZ
Category	Inverter
Language	English