Hayter Mowers RT380H - Manual (Page 34)

Brake Maintenance
Servicing the Parking Brake
Service Interval: Before each use or daily
The parking brake is on the right side of the rear axle,
inside the rear tyre (Figure 43). If the parking brake does
not hold securely, adjust it.
Figure 43
1. Brake arm spring 2. Brake adjusting nut
Checking the Parking Brake
1. Park the tractor on a level surface.
2. Disengage the blade control (PTO) and set the
parking brake.
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Move the drive control wire to the Push position;
refer to Pushing the Tractor Manually.
5. If the rear wheels lock and skid when you push
the tractor forward, you do not need to adjust the
parking brake. Adjust the parking brake if the wheels
turn and do not lock; refer to Adjusting the Parking
Brake.
Adjusting the Parking Brake
1. Check the parking brake before you adjust it; refer to
Checking the Brake.
2. Remove the brake arm spring (Figure 43).
3. Remove the cotter pin that secures the brake
adjusting nut and slightly loosen the nut (Figure 43).
4. Insert a 0.015 inch (0.38 mm) feeler gauge between
the brake disc and brake puck (Figure 43).
5. Tighten the nut until you feel a slight resistance on
the feeler gauge when you slide it in and out.
6. Install a new cotter pin and attach the brake arm
spring.
7. Check the parking brake operation again; refer to
Checking the Parking Brake.
Important: With the parking brake released, the
rear wheels must rotate freely when you push the
tractor. If you cannot achieve the .015 inch (0.38
mm) clearance and free wheel rotation, contact
an Authorized Service Dealer immediately.
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