Disassembly/Inspection and Service
61
62 690 01 Rev. J
KohlerEngines.com
Lapping Valves
Reground or new valves must be lapped in, to provide
proper fit. Use a hand valve grinder with a suction cup
for final lapping. Lightly coat valve face with a fine grade
of grinding compound, then rotate valve on its seat with
grinder. Continue grinding until a smooth surface is
obtained on seat and on valve face. Thoroughly clean
cylinder head in soap and hot water to remove all traces
of grinding compound. After drying cylinder head, apply
a light coating of SAE 10 oil to prevent rusting.
Valve Stem Seals
These engines use valve stem seals on intake and
exhaust valves. Always use new seals when valves
are removed from cylinder head. Seals should also be
replaced if deteriorated or damaged in any way. Never
reuse an old seal.
Breather/Closure Plate/Oil Reservoir Components
A
P
O
B
C
Q
R
V
U
S
T
D
F
J
H
K
K
L
M N
E
H
G
I
N
W
A
Closure Plate
B
Gerotor Gears
C
Oil Pump O-ring
D
Oil Pump Housing
E
Relief Valve Baffle
F
Pickup Tube
G
Clamp
H
Inlet Seal
I
Pickup Screen
J
Oil Reservoir
K
Drain Plug
L
Gasket
M
Crankshaft Thrust
Bearing
(Flange PTO)
N
Closure Plate Gasket
O
Dipstick
P
Dipstick Tube
Q
Breather Assembly
R
Breather Gasket
S
Filter
T
Breather Hose
U
Lifting Strap
V
Oil Seal
W
Crankshaft
Non-Thrust Bearing
(PTO)
