Periodic Maintenance - Kohler K91 Service Manual

RE QUIRED MAINTENANCE
These required maintenance procedures should be performed at the frequency stated in the table :
Required Maintenance
Check Oil Level
Clean Grass Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Daily *
Clean/Replace Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . As Required
Clean Foam Precleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Change Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 5 Hours
Check Optional Reduction
Gear Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Hours
Clean Cooling Fins and
External Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clean Paper Air
Cleaner Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 00 Hours *
Check Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 00 Hours
Check Valve-To-Tappet
Clearance . . . . . . .
Clean Cylinder Head and
Combustion Chamber* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Starter
Motor Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Annually or 500 Hours
* Perform these maintenance procedures more frequently when engine is operated u nder
extremely dusty and dirty conditions .
* * 250 Hours when leaded gasol ine is used .
�
WARNING: Accidental Starts!
Before seNicing the engine or equipment, always
remove the spark plug to prevent the engine from
starting accidentally. Ground the lead to prevent
sparks that could cause fires.
CHECK OI L LEVE L
The importance of checking and maintaining the
pr o per oil level in cran kcase cannot be overem­
phasized . Check oil BEFORE EACH USE as follows :
SECTION

PERIODIC MAINTENANCE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Daily
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Hours
3
. . . .
. . . . . . . . . . . . . .
.
1 . Make sure the engine is stopped , level , and is
cool so the oil has had time to drain into the
sump.
2 . Clean the area around oil fill cap/dipstick be­
fore removing to keep dirt , grass clippings ,
etc . , out of the engine .
3. Remove oil fill cap/dipstick ; wipe oil off . Rein­
sert dipstick and push it all the way down into
tube. Remove dipstick and check the level .
4 . On engines with threaded type plug dipstick,
shoulder plug on top of hole to observe level .
Frequency
. . . . 2 5 Hours *
.
. 50 Hours *
. . . . . 500 HoursH
3 . 1