Service manual

Disassembly/Inspection and Service
4962 690 01 Rev. C KohlerEngines.com
Remove Valve Covers and Fuel Pump
WARNING
Explosive Fuel can cause fi res and severe
burns.
Do not fi ll fuel tank while engine is hot or
running.
Gasoline is extremely fl ammable and its vapors can
explode if ignited. Store gasoline only in approved
containers, in well ventilated, unoccupied buildings,
away from sparks or fl ames. Spilled fuel could ignite
if it comes in contact with hot parts or sparks from
ignition. Never use gasoline as a cleaning agent.
NOTE: Remove valve covers based on style of fuel
pump used.
Mechanical Fuel Pump
Mechanical fuel pump is part of valve cover and
not serviced separately. Remove with valve cover.
Disconnect fuel lines at fuel pump fi ttings. Properly
contain any remaining fuel.
N
O
P
Q
R
M
L
K
I
J
H
G
C
E
F
A
D
B
A Gasket B Valve C Cylinder Head D Pipe Plug
E Spacer F Washer G Spark Plug H Valve Stem Seal
I Valve Spring J Hydraulic Lifter K Valve Spring Retainer L Push Rod
M Valve Spring Keeper N Rocker Arm O Rocker Arm Pivots P Valve Cover Gasket
Q Valve Cover R Grommet
Cylinder Head Components
Electric Fuel Pump
Removal will be determined based on mounted location
and application. Disconnect lead connections, fuel
line connections, and mounting hardware as required.
Properly contain any remaining fuel.
Valve Covers
1. Remove screw and grommet securing each valve
cover.
2. Remove valve cover and gasket from each cylinder
head. Note locations of individual valve covers if
they are different.
Remove Cylinder Heads and Hydraulic Lifters
NOTE: Exhaust lifters are located on output shaft side
of engine while intake lifters are located on fan
side of engine. Cylinder head number is
embossed on outside of each cylinder head.
1. Remove pipe plug from cylinder head to access
screw in upper center location.
2. Remove screws securing each cylinder head. Note
locations of washers and spacer.