97
Reassembly
66 690 14 Rev. A
KohlerEngines.com
3. Insert a nail into hole in cross shaft and rotate shaft COUNTERCLOCKWISE as far as it will turn. Then torque
nut to 6.8 N·m (60 in. lb.).
4. Mount main control bracket to cylinder heads with four screws. Torque screws to 10.7 N·m (95 in. lb.) into new
holes, or 7.3 N·m (65 in. lb.) into used holes.
5. Connect dampening spring to throttle lever. Connect governor spring from throttle control bracket to appropriate
governor lever hole.
Fan Components
L
J
D
B
A
E
F
I
K
G
G
J
C
H
A
Oil Sentry
™
B
Fan Mounting
Bracket
C
Fan Shaft
D
Fan
E
Fan Belt
F
Fan Pulley
G
Ball Bearing
H
Retainer Ring
I
Bearing Carrier
J
Pulley Half
K
Spacer Shims
L
Pulley Adapter
Install Lower Crankshaft Pulley, Pulley Adapter, and
Cooling Fan Assembly
NOTE: Do not assemble lower pulley with belt between
pulley halves, as pinching of belt or damage to
pulley can occur.
1. Make sure shoulder of
fl
ywheel hub and adjacent
face surface are clean and free of any nicks or
damage.
2. Install crankshaft pulley adapter onto
fl
ywheel hub,
so o
ff
set for pulley is out, and holes are aligned.
Make sure adapter rests squarely on face of
fl
ywheel.
3. Assemble front and rear pulley halves placing shims
as indicated.
a. For a new belt: Assemble with 2 or 3 shims
between pulley halves, and remaining shim (if
any) on outside (front) of outer pulley half.
b. For a used belt: Assemble with 2 shims between
pulley halves and remaining shim(s) on outside
(front) of outer pulley half.
Install and snug pulley assembly. Final belt tension
and pulley assembly will be made after fan/upper
pulley assembly is installed.
4. Install upper fan mounting bracket to intake manifold
with screws.
Torque:
M6 Screws to 7.3 N·m (65 in. lb.)
M8 Screws to 24.4 N·m (216 in. lb.)
5. If disassembled, reassemble fan and pulley
assembly as shown.
Make sure one
fl
at washer is placed between
bearings in hub. Other washer is located under front
nut. Torque fan/pulley/hub mounting screws to
6.8 N·m (60 in. lb.).
6. If fan shaft was removed from upper mounting
bracket, apply Loctite
®
242
®
to rear threads. Install
and torque rear nut to 15.8 N·m (140 in. lb.). Install
fan and pulley assembly onto fan shaft and upper
mounting bracket.
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