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UTILITY MODELS 4502 AND 8602
SCAMP MODELS 4503 AND 8603
SELF-PROPELLED SERVICING
On 4502,4503,8602,8603 models of Utility and
Scamp mowers, a blade
nut has replaced the
blade bolt previously used on earlier models.
SAFETY WARNING
THE BLADE NUT MUST BE
RE-
PLACED AFTER BEING REMOVED
AND
REINSTALLED
FOUR
(4)
TIMES. THE LOCKING FEATURE OF
THE
BLADE
NUT WILL
HAVE
DECREASED AND BLADE COULD
LOOSEN IF REPLACEMENT IS NOT
MADE.
1. Collar
4. Blade
2. Stiffener
5 .
Nut
3. Washer
(20
and 21 inch
models only)
Before assembling collar on crankshaft, check to
be sure it did not get bent or distorted
when b e
ing removed.
If
so,
replace it.
Do
not use,
because, it will cause vibration.
If the blade nut is
to
be reused, clean the threads
thoroughly. Also clean threads on crank shaft.
Apply OMC Ultra-Lock
Part No. 388517
on the
threads.
NOTE
When installing blade after sharpening
and balance, torque blade nut to
45-50
ft.
1bS.
SAFETY WARNING
ALWAYS USE
ORIGINAL EQUIP-
MENT REPLACEMENT BLADE AND
ATTACHMENT HARDWARE TO IN-
SURE COMPLIANCE WITH SAFETY
STALLING BLADE, BE SURE PARTS
QUENCE IN WHICH THEY WERE
REMOVED.
ALWAYS
REPLACE
BLADE WITH CURVED EDGE UP
(TOWARD HOUSING).
SPECIFICATIONS.
WHEN
REIN-
ARE REPLACED IN THE SAME SE-
A blade collar that was damaged and bent when
being removed from crankshaft should always be
replaced. If not replaced, a vibration in the mower
and a rough, uneven or ragged cutting may result.
KEEP BLADE SHARP A N D BALANCED
REVISED 1983
10-53
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