With the clutch engaged, adjust the nuts on the spring-loaded idler adjuster bolt until the length of
the spring is approximately 2-3/4”. This is the initial belt break in sp
ring length. When the belt is
broken in after several hours of mowing, the running spring length should be between 2-3/4” and
3-1 ure the
spring len e recommended running length.
This model comes with a belt brake, which is a safety feature that stops the blades from turning
after th
the clut
may need to be adjusted if there is significant belt wear or if a
erent size belt is used. If the brake stud is not adjusted correctly, the blades will still
) the
ic brake stud inspections should be
erformed every 10 hours. In more severe cutting conditions, more frequent inspections may be
nec he
disengage ance.
m the disengaged spring length and brake stud clearance
st
bolt
of the brake stud and slide the brake stud in the slot. When the proper disengaged
pring length is achieved, tighten the bolt on the top of the brake stud. For this procedure do not
The spring length should only be changed when adjusting the belt
ged,
heck to make sure that there is at least 1/2” of clearance between the brake stud and the belt. If
the
belt. Keep ngth must stay between 3-1/4” and 4”.
/4”. For maximum belt life, periodic checks every 3-4 hours should be done to make s
gth has not exceeded th
Note: Failure to periodically adjust the belt tension will result in severe belt wear and
premature belt failure.
e clutch is disengaged. The only time the brake should be in contact with the belt is when
ch is disengaged.
CAUTION: The brake stud
diff
spin even though the clutch may be in the disengaged position. Always shut mower
engine off before servicing.
Under normal operating conditions and when using the Kunz Engineering belt (Part # 238007
brake stud should require very little adjustment. Period
p
essary. There are two parts to inspecting the brake stud. Those two inspections are t
d spring length and brake stud clear
Note: It is quicker to perfor
inspections if done simultaneously.
Disengaged Spring Length:
This inspection must be performed to make sure that there is proper braking force to prevent the
blades from spinning when the clutch is in the disengaged position. With the clutch in the
disengaged position measure the spring length. The spring must be between 3-1/4” and 4” to
provide the appropriate braking force. If the spring length is over 4” it will be necessary to adju
the brake stud closer to the belt. If the spring length is less than 3-1/4” it will be necessary to
adjust the brake stud further away from the belt. To make brake stud adjustments loosen the
on the top
s
adjust the spring length.
tension.
Brake Stud Clearance:
This inspection is necessary to prevent over-braking. To inspect the brake stud clearence it is
easiest to remove the left belt sheild and observe from the left side. With the clutch enga
c
clearance is less than 1/2” then it will be necessary to adjust the brake stud away from the
in mind that the disengaged spring le
14
(31 Seiten)
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