Service manual

63
Reassembly
62 690 01 Rev. C KohlerEngines.com
1. Use bolts with heads removed, or a similar item as
temporary alignment pins and install into 2 center
holes on ends.
2. Install a new oil reservoir gasket onto bottom of
crankcase using alignment pins. Notched side of
gasket must be towards fl ywheel.
3. Install oil reservoir onto crankcase and temporary
alignment pins. Flywheel side is indicated on cover.
Install and fi nger tighten screws. Remove alignment
pins and install remaining screws. Torque screws in
sequence shown to 24.4 N·m (216 in. lb.).
Install Breather Assembly
1. Make sure sealing surfaces of crankcase and breather cover are clean and free of any nicks or burrs. Do not
scrape surfaces, as this could result in leakage. Install breather mounting studs into crankcase if removed during
disassembly.
2. Install breather chamber gasket as shown. Assemble and install breather assembly components as illustrated.
Make sure fi lter does not extend above top surface and all parts are properly aligned.
3. Install M5 nuts onto studs, then torque using sequence shown to 5.7 N·m (51 in. lb.).
4. Lightly oil lower end of breather hose and install into hole in breather assembly. Cover should be situated between
2 raised rings of hose.
Breather Fastener
Torque Sequence
Filter must Not Extend
Above Casting
SECTION A-A
A
1
2
3
4
A
Used on Serial No. 37070xxxxx and Below Used on Serial No. 37071xxxxx and Higher
A
A
B
B
C
C
D
D
H
D
F
G
G
H
D
I
I
E
A Breather Hose B Flange Nuts C Breather D Gasket
E Screw F Baffl e G Filter H Adapter
I Studs
Breather Components
Check Crankshaft End Play
Set engine on base and use a dial indicator to check
crankshaft end play to 0.30/1.50 mm (0.011/0.059 in.).