Brake Maintenance; Adjusting The Parking Brake - Toro 74253 Operator's Manual

Figure 52
1. Hydraulic oil cooler
Changing the Engine Coolant
Service Interval: Yearly
Change the engine coolant yearly.
Contact an Authorized Service Dealer for changing the
coolant.
2. Radiator

Brake Maintenance

Adjusting the Parking Brake

Service Interval: Every 25 hours
Every 200 hours
1. Engage the parking brake, lever up.
2. Measure the length of the spring. Measurement
should be 2-1/2 inch (64 mm) between the washers
(Figure 53).
3. If adjustment is necessary, release the parking brake,
loosen the jam nut below the spring and adjust the
nut directly below the spring (Figure 53). Turn the
nut until the correct measurement is obtained. Turn
the nut clockwise to shorten spring length and turn
counter-clockwise to lengthen the spring.
4. Tighten the two nuts together.
5. Engage the parking brake, lever up. Check the
measurement of the spring again.
6. If adjustment is necessary, repeat the procedures
above.
7. Repeat on the opposite side of machine.
1. Brake lever in engaged
position
2. Spring 2–1/2 inch (64 mm)
41
Figure 53
3. Adjusting nut and jam nut