Exmark STARIS S Series, Operator'S Manual

Page: 41 / 56

Maintenance
Important:
Torque the front and rear
height-of-cut plate mounting bolts to 27-33
ft-lb (37-45 N-m).
17. Repeat steps 8 through 12.
Pump Drive Belt Tension
Self-tensioning - No adjustment necessary.
Mower Deck Drive Belt
Tension
Self-tensioning - No adjustment necessary.
Check the Park Brake
1. Park the machine on a level surface.
2. Shut off engine and wait for all moving parts to
stop.
3. When the park brake is released, the brake
snubber should lift off the tires and the hand lever
should travel forward. When engaging the brake,
lift the handle up and rearward. With the brake
disengaged, measure the distance between the
snubber teeth and the tire.
Park Brake Adjustment
If the parking brake does not hold securely, an
adjustment is required.
1. Park the machine on a level surface.
2. Shut off engine and wait for all moving parts to
stop.
3. Check the air pressure in the drive tires. If needed,
adjust to the recommended inflation; refer to
Checking the Tire Pressure in Drive System
Maintenance.
4. Disengage the park brake.
5. Remove the rear guard from the machine.
6. Reach inside the oval cutout to loosen the jam nut
as shown in Figure 26.
g269427
Figure 26
1. Jam nut 2. Turnbuckle
7. Rotate the turnbuckle to achieve .50 inch (12.7
mm) clearance between the brake snubber teeth
and the tire.
8. To decrease the gap, turn the turnbuckle clockwise
(as viewed from the top).
9. Tighten the jam nut once the .50 inch (12.7 mm)
is achieved.
10. Check the brake operation again.
Electric Clutch Adjustment
No adjustment necessary. However when the clutch
brake has worn to the point where the clutch no
longer engages consistently, the shim can be removed
to extend the clutch life.
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