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Section 5 - ADJUSTMENTS
& REPAIR
WARNING
DO NOT attempt any maintenance,
adjustments
or
service
with engine running.
STOP engine.
STOP
blades. Set brake. Remove key. Remove spark plug
wires and secure away from
spark plugs. Engine
and components
are HOT. Avoid
serious
burns,
allow sufficient
time for all parts to cool.
5.3
TRACTION BELT TENSION
The traction
drive belt tension does not require
adjustment.
If the belts are slipping, they will have to be
replaced.
J -BOLT
FIGURE 5.9
5.4
TRACTION BELT REPLACEMENT
1. Remove clutch to deck belt. See Figure 5.10
2. Turn lock nut out to the end of J-Bolt, reducing
spring tension. Unhook traction idler spring from bolt
in frame. See Figure 5.9
3. Remove anti-rotation bracket. See Figure 5.10
4. Disconnect
the electric
clutch from main wire
harness.
5, Remove traction belts from around engine pulley
and hydro pumps.
6, Install new belts and route around engine pulley
and hydro pump pulleys.
7, Reconnect electric clutch to main wire harness.
8, Reinstall anti-rotation
bracket and tighten nuts
securely.
9, Reattach traction idler spring. Run lock nut all
the way to the end of the threads on the J-Bolt.
Tighten jam nut securely. See Figure 5.10.
10. Reinstall electric clutch to deck belt.
UNHOOK TRACTION
DRIVE IDLER SPRING
REMOVEANTI-
ROTATION BRACKET
!IREMOVECLUTCH
FIGURE 5.10
5.5
BLADE BRAKE/ELECTRIC CLUTCH ADJUSTMENT
The blade switch engages the electric clutch when
pulled out to the "ON" position. When the blade
switch is in the "ON _' position the cutting blade(s)
are engaged.
The blade switch disengages
the
electric clutch when the blade switch is pushed in
to the "OFF" position. When the blade switch is in
the
"OFF"
position
the
cutting
blade(s)
are
disengaged.
The electric clutch is adjustable.
The
blades should stop rotation in 7 seconds or less. If
the electric clutch fails to stop the blades rotation in
7 seconds, adjustment is necessary.
1. Insert a feeler gauge into the three slots on the
electric clutch.
2. Check gap through all three slots in the side of
the clutch. The gap should be set at .015.
3. If gap is incorrect rotate nuts in or out to achieve
the correct gap. See Figure 5.11.
NOTE:
Electric
Clutch
is shown
removed
from
the
machine. Removal is not necessary for adjustment.
INSERT FEELER GAUGE.
GAP SHOULD BE .015
S'
j_
ROTATE NUTS
IN OR OUT
TO ACHIEVE
CORRECTGAP
FIGURE 5.11
22
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