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SECTION 3
PERIODIC MAINTENANCE
3. Clean the drive shaft splines with solvent. Dry
splines thoroughly.
4. Apply a small amount of Kohler electric starter
drive lubricant (Part No. 52 357 01) to splines.
NOTE:
Kohler starter drive lubricant (Part No.
52 357 01) must be used on all Kohler
electric starter drives.
The use of other
lubricants can cause the drive to stick or
bind.
5. Apply a small amount of Loctite® No. 271 to stop
nutthreads.
Assemble drive parts in reverse order
of removal. Torque stop nut to 160 in. Ib.
6. Reinstall starter to crankcase.
CLEAN CYLINDER HEADS AND
COMBUSTION CHAMBERS
Every 500 operating hours (250 hours when leaded
gasoline is used), remove cylinder heads and clean
combustion chambers.
Refer to Figure 3-9.
Wooden Or
Plastic Scraper
Cylinder
| udo
c
Figure 3-9.
Cleaning Cylinder Heads and
Combustion Chambers.
1. Remove cylinder head baffles and cylinder heads.
3.6
2. Clean away combustion deposits using a wooden
or plastic scraper.
3. Reinstall cylinder heads using new gaskets.
Torque cylinder head fasteners in increments to
15/20 ft. Ib. in the sequence specified in
Figure 3-10.
Figure 3-10. Cylinder Head Fastener
Tightening Sequence.
CHECK VALVE-TO-TAPPET CLEARANCE
Every 500 operating hours, remove breather/valve cov-
ers and check valve-to-tappet clearance with a flat
feeler gauge.
Refer to Figure 3-11. The engine must
be cold when checking this clearance.
[ro Feeler
Valve Movement
7 *
Gauge
Is Observed
{ Check Clearance
Ё
Of This Side
Figure 3-11.
Measuring Valve-To-Tappet Clearance.
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