Kohler Command PRO EFI ECH749 [169/180] Reassembly
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Kohler Command PRO EFI ECH749 [169/180] Reassembly

Kohler Command PRO EFI ECH749 [169/180] Reassembly
Install Metal Debris Screen (if equipped)
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 4 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 plain washers on each hex cap screw. Apply
Loctite
®
242
®
to hex cap screw threads.
7. Carefully remove 2 studs and replace with 2 screws.
Torque screws to 9.9 N·m (88 in. lb.). Repeat
procedure for other 2 studs and screws.
Install Plastic Debris Screen (if equipped)
Place plastic grass screen on fan and secure with hex
screws. Torque screws to 4.0 N·m (35 in. lb.).
Install Debris Screen Guard (if equipped)
Position guard on blower housing and secure with
screws (and spacers).
Install Electric Starter Motor and ECU Bracket (ETB
ECH EFI & ECH EFI)
B
A
C
A
Electronic Control
Unit (ECU)
B ECU Bracket
C Starter
1. Plug connector into ignition coil.
2. Install electric starter motor and ECU bracket using
screws. Position ECU bracket as shown.
A
B
C
D
E
A Starter Screw B Ground Lead
C
Internal/External
Tooth Lock
Washer
D ECU Bracket
E Starter
Reassembly
16924 690 01 Rev. O KohlerEngines.com

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