Brake Maintenance; Adjusting The Parking Brake - Toro Z580-D Z Master Operator's Manual

Figure 65
1. Hydraulic oil cooler
2. Left rear tire
Changing the Engine Coolant
Service Interval: Yearly
Have an Authorized Service Dealer change the engine
coolant every year.
3. Radiator screen

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 66).
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 66). 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)
48
Figure 66
3. Adjusting nut and jam nut