Maintenance R21
42
● Without an operator in the seat and the with
engine running, any of the following changes
should cause the engine to immediately stop:
□ Disengaging the parking brake
□ Moving FSC out of NEUTRAL-PARK
□ Engaging the blade clutch (PTO)
□ Disengaging the deck hinge lock
● With or without an operator in the seat, when
the FSC is not in NEUTRAL-PARK but all
remaining start conditions are met, the engine
should not start.
● With or without an operator in the seat, if the
parking brake is disengaged but all remaining
start conditions are met, the engine should not
start.
● With or without an operator in the seat, if the
blade clutch (PTO) is engaged but all remain-
ing start conditions are met, the engine should
not start.
If any of these safety switch checks fail, contact
you Walker Dealer for service.
In addition, if you experience the engine stopping
during what should be normal operation, it could
be caused by a failure of a safety switch. For
example:
● An operator is in the seat, the engine is run-
ning, the parking brake is disengaged, and the
engine stalls when the FSC is moved out of
NEUTRAL-PARK.
● An operator is in the seat, the engine is run-
ning, the parking brake is disengaged, and the
engine stalls when the blade clutch (PTO) is
engaged.
Contact your Walker Dealer for troubleshooting
and/or service if you experience failure-to-operate
conditions such as these.
Clean/Replace Engine Precleaner
Air Filter
Frequency: Every 25 hours or more often in
extremely dusty or dirty conditions
The precleaner can be washed or replaced de-
pending on its condition.
1. With the engine stopped, clean off the area
around the air lter cover to prevent debris
from falling in. Rotate the levers on the
engine air cleaner cover outward to unlock the
cover. Remove the cover.
Rotate Levers
Unlock Air Filter Cover
Foam
Precleaner
Engine Precleaner Filter
2. Slide the precleaner foam lter off the paper
lter element.
3. Inspect the precleaner to determine if it can be
washed or if it needs to be replaced. If there
is damage to the precleaner, replace it using
the recommended Kohler replacement pre-
cleaner. (Kohler P/N 16 083 05-S)
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