Engine Service Manual

88
Reassembly
KohlerEngines.com 17 690 01 Rev. J
Cylinder Head Components
I
J
H
G
D
C
B
A
L
K
M
F
E
N
1
2
3
4
A Valve Cover B Adjuster Nut C Rocker Arm D Rocker Arm Stud
E Push Rod Guide F Push Rod G Valve Keeper H Valve Spring
I Valve Stem Seal J Spark Plug K Cylinder Head L Valve
M Dowel Pin N
Cylinder Head
Gasket
1. Install woodruff key into keyway of crankshaft. Make
sure key is properly seated and parallel with taper of
shaft.
2. Install fl ywheel onto crankshaft, being careful not to
shift position of woodruff key.
3. Install fl ywheel shield and secure with one screw
(CH260 and CH270 only).
4. Install fan bosses into matching holes in fl ywheel.
5. Position drive cup on fl ywheel, engaging boss on its
base with corresponding hole in fl ywheel. Hold in
position and install nut. Finger tighten to keep cup
indexed.
6. Use a fl ywheel holding tool and torque wrench to
tighten fl ywheel nut. Torque nut to:
CH260, CH270 74 N·m (655 in. lb.)
CH395, CH440 113 N·m (1000 in. lb.)
Install Ignition Module
NOTE: Ensure ignition module is correctly oriented.
1. Turn fl ywheel so magnet is away from location
where ignition module will be installed.
2. Install ignition module loosely to bosses with screws.
Move module as far away from fl ywheel as possible,
then tighten screws just enough to hold it in position.
3. Rotate fl ywheel until magnet is under one leg of
ignition module.
4. Insert a 0.254 mm (0.010 in.) fl at feeler gauge
between leg of module and magnet. Loosen nearest
screw allowing magnet to draw module against
feeler gauge. Push against module to hold leg tight
against feeler gauge while tightening screw.
5. Rotate fl ywheel until magnet is under other leg of
module. Loosen nearest screw allowing magnet to
draw module against feeler gauge. Push against
module to hold leg tight against feeler gauge while
tightening screw.
6. Torque fi rst screw, then second screw. Go back and
torque fi rst screw one more time. Torque both
module screws to 10 N·m (89 in. lb.).
7. Rotate fl ywheel back and forth, checking to make
sure magnet does not strike module.
8. Connect kill wire to ignition module bottom blade
terminal and route wire lead to top of crankcase.