Cylinder Head Components; Remove Spark Plugs; Remove Valve Covers And Cylinder Heads; Remove Cylinder Heads - Kohler Courage SV710 Service Manual

Cylinder Head Components

B
R
A Gasket
E Valve Stem Seal
I Stud
M Rocker Arm
Plastic Valve Cover
Q
(O-ring)

Remove Spark Plugs

Remove spark plug from each cylinder head.

Remove Valve Covers and Cylinder Heads

Plastic Valve Covers with O-Rings
Remove screws securing each valve cover. Most valve
covers have screw hole spacers molded in place.
Remove valve covers and O-rings.
Stamped Steel Valve Covers with RTV Sealant
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, or Torx screws securing each valve
cover.
32 690 01 Rev. G
K
C
E
G
F
J
D
S
B Valve
F Valve Spring
J Spark Plug
N Rocker Arm Pivots
Cylinder Head
R (with Cast in Valve
Spring Retainers)
KohlerEngines.com
Disassembly/Inspection and Service
M
I
H
L
N
O
T
C Cylinder Head
G Valve Spring Retainer
K Guide Plate
O Adjusters
S Washer (Intake Side)
2. Using a brass wire brush and gasket remover or
similar solvent, clean old RTV from surface of
cylinder head and valve cover.
3. Sealing surface of stamped steel valve covers must
be checked for fl atness prior to reinstallation. Hold
valve cover down fi rmly against a fl at, level surface
or piece of glass, and check around entire perimeter
that a 0.012 in. (0.30 mm) feeler gauge cannot be
inserted anywhere. If gauge goes in anywhere,
cover needs to be replaced.

Remove Cylinder Heads

NOTE: Exhaust side is located on output shaft side of
engine, while intake side is located on fan side
of engine. Cylinder head number is embossed
on outside of each cylinder head.
1. Loosen rocker arm pivot screws, or inner setscrews
(T25 TORX) based on design, and back off rocker
arm adjusting nuts.
A
P
Q
D Valve Spring Cap
H Valve Spring Keeper
L Push Rod
P O-Ring
Stamped Steel Valve
T
Cover (RTV)
57