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28
WARNING
To avoid serious injury, perform adjustments only
with engine stopped, key removed and rider on
level ground.
B
A
C
A
B
B
B
Figure 26. PTO Clutch Adjustment
A. Adjustment Window (Qty. 3, one shown)
B. Adjustment Nut
Figure 27. Adjust PTO Clutch
A. Window
B. Adjustment Nut
C. .016”-.018” (0,40-0,45mm) Feeler Gauge
PTO CLUTCH ADJUSTMENT
Check the PTO clutch adjustment after the initial 25 hour
break-in period and then after every 100 hours of
operation. Also perform the following procedure if the
clutch is slipping or will not engage, or if a new clutch
has been installed.
1. Remove key from ignition switch and disconnect
spark plug wires to prevent the possibility of
accidental starting while the PTO is being adjusted.
2. See Figure 26. Note the position of the 3 adjustment
windows (A) in the side of the brake plate and the
nylock adjustment nuts (B).
3. Insert a .016”-.018” (0,40-0,45mm) feeler gauge (C)
through each window, positioning the gauge between
the rotor face and the armature face as shown in
Figure 27.
4. Alternately tighten the adjustment nuts (B, Figure 26)
until the rotor face and armature face just contacts
the gauge.
5. Check the windows for an equal amount of tension
when the gauge is inserted and removed, and make
any necessary adjustments by tightening or
loosening the adjustment nuts.
NOTE: The actual air gap between the rotor and
armature may vary even after performing the adjustment
procedure. This is due to dimensional variations on
component parts, and is an acceptable condition.
6. Check the mower blade stopping time. The mower
blades and mower drive belt should come to a
complete stop within five (5) seconds after the
electric PTO switch is turned off.
BLADE BRAKE CHECK
Mower blades and mower drive belt should come to a
complete stop within five (5) seconds after electric PTO
switch is turned off.
1. With parking brake engaged, PTO disengaged and
an operator in the seat, start the engine engine.
2. Have an assistant observe the mower drive belt
through the opening between the frame and top of
mower deck. Engage the PTO and wait several
seconds. Disengage the PTO and check the amount
of time it takes for the mower drive belt to stop.
3. If the mower drive belt does not stop within five (5)
seconds, perform the PTO Clutch Adjustment. If the
belt still does not stop within five (5) seconds, see
your dealer.
Troubleshooting, Adjustments, & Service