Engine Service Manual

48
Disassembly/Inspection and Service
KohlerEngines.com 14 690 10 Rev. --
Cylinder Head Components
A
C
D
F
G
H
I
L
N
M
O
J
K
E
B
A Valve Cover B Jam Nut C Rocker Arm Pivot D Rocker Arms
E Rocker Arm Stud F Push Rod G
Push Rod Guide
Plate
H Valve Keeper
I Valve Spring J Intake Valve Seal K Spark Plug L Baffl e
M Cylinder Head N Valve O Dowel Pin
Remove Valve Cover
NOTE: Valve cover is sealed to cylinder head using RTV
silicone sealant. When removing valve cover, use
care not to damage gasket surfaces of cover and
cylinder head. To break RTV seal, hold a block of
wood against 1 fl at face of valve cover. Strike wood
fi rmly with a mallet. If seal doesn't break loose after
1 or 2 attempts, repeat procedure on other side.
1. Remove screws securing valve cover.
2. Using a brass wire brush and gasket remover or
similar solvent, clean old RTV from surface of
cylinder head and valve cover.
Remove Jam Nuts and Rocker Arm Pivots
Use a socket and wrench to remove jam nuts and rocker
arm pivots from rocker studs.
Remove Rocker Arms
Noting orientation, lift rocker arms off rocker studs.
Remove Push Rods
Remove push rods and mark them for reinstallation.
Remove Rocker Studs
Unscrew and remove rocker studs from cylinder head.