87
Reassembly
24 690 31 Rev. D
KohlerEngines.com
2. Torque black rectifi er-regulator screws to 1.4 N·m
(12.6 in. lb.).
a. Torque silver or green ground strap screw to
2.8 N·m (25 in. lb.) into new holes or 2.3 N·m
(20 in. lb.) into used holes.
b. Ground lead that secures in same hole as
rectifi er-regulator fastener, torque screw securing
to backing plate to 2.8 N·m (25 in. lb.) into new
holes or 2.3 N·m (20 in. lb.) into used holes.
c. Ground lead that secures in ground lug hole of
rectifi er-regulator and to backing plate, torque
screws to 5.6 N·m (50 in. lb.) into new holes or
4.0 N·m (35 in. lb.) into used holes.
3. Connect plug to rectifi er-regulator. If purple wire was
removed, verify locking tang is raised on terminal
and push wire terminal into plug prior to connecting
to rectifi er-regulator.
Install Metal Debris Screen
Spring Washer Details
A
A
Spring Washer
A
B
C
D
E
A
Metal Debris Screen
B
Fan
C
Flywheel
D
Spacer
E
Hex Bolt
1. Verify locating tabs on back of fan are inserted into
locating holes on fl ywheel.
2. To assist assembly, fi nd intake manifold studs with
M6 thread at least 100 mm in length to be used as
guide pins. Insert intake manifold studs through
cooling fan mounting holes and thread them 4 or 5
turns into fl ywheel.
3. Install a spring washer on each stud with concave
side down toward cooling fan.
4. Install a spacer on each stud with stepped end
down. Smaller diameter should extend through
spring washer and fan, so tip is resting on fl ywheel,
and shoulder is resting on spring washer.
5. Install support ring on studs, so it is resting on
spacers. Then install metal screen on top of support
ring.
6. Install a plain washers on each of screws. Apply
Loctite
®
242
®
to screw threads.
7. Carefully remove studs and replace with screws.
Torque screws to 9.9 N·m (88 in. lb.). Repeat
procedure for other studs and screws.
Install Oil Separator and Hardware
1. Ensure rubber oil separator grommet is in good
condition. Insert rubber grommet into valve cover.
Push oil separator into rubber grommet in valve
cover.
2. Secure oil separator to blower housing, placing
spacer and oil separator bracket against blower
housing and securing with strap and screws. Torque
screws to 2.3 N·m (20 in. lb.).
Install Electric Starter Motor and ECU Bracket
1. Install electric starter motor using screws. Position
ECU bracket.
2. Torque screws to 16.0 N·m (142 in. lb.).
3. Connect leads to solenoid.
4. Install dipstick tube and align mounting hole with
threaded hole in ECU bracket. Secure with M5
screw. Torque screw to 6.2 N·m (55 in. lb.) into new
hole or 4.0 N·m (35 in. lb.) into used hole.