Cylinder Head Components
B
C
D
E
G
K
F
H
I
J
L
M
N
O
P
A
A Valve B Stud C Gasket D Spark Plug
E Cap F Valve Stem Seal G Hydraulic Lifter H Retainer
I Valve Spring J Valve Spring Retainer K Push Rod L Valve Keeper
M Rocker Arm N Rocker Arm Pivot O Valve Cover O-ring P Valve Cover
Install Hydraulic Lifters
NOTE: Hydraulic lifters should always be installed in
same position as before disassembly. Exhaust
lifters are located on output shaft side of engine
while intake lifters are located on fan side of
engine. Cylinder numbers are embossed on top
of crankcase and each cylinder head.
1. Refer to Disassembly/Inspection and Service for
lifter preparation (bleed down) procedures.
2. Apply camshaft lubricant to bottom surface of each
lifter. Lubricate hydraulic lifters and lifter bores in
crankcase with engine oil.
3. Note mark or tag identifying hydraulic lifters as either
intake or exhaust and cylinder 1 or cylinder 2. Install
hydraulic lifters into their appropriate location in
crankcase. Do not use a magnet.
Valve Stem Seals
These engines use valve stem seals on intake valves
and occasionally on exhaust valves. Always use a new
seal whenever valve is removed or if seal is deteriorated
or damaged in any way. Never reuse an old seal.
Assemble Cylinder Heads
Prior to installation, lubricate all components with engine
oil, paying particular attention to lip of valve stem seal,
valve stems and valve guides. Install in order listed
below using a valve spring compressor.
● Intake and exhaust valves.
● Valve spring caps.
● Valve springs.
● Valve spring retainers.
● Valve spring keepers.
Reassembly
6124 690 34 Rev. D KohlerEngines.com
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