Adjusting The Parking Brake; Checking The Tire Pressure - Toro Z Master Z500 Series Operator's Manual

12
Adjusting the Parking
Brake
No Parts Required
Procedure
Check the parking brake for proper adjustment.
1. Disengage brake lever (lever down).
2. Measure the length of the spring.
The measurement should be 70 mm (2-3/4 inch)
between washers
Figure 29
1. Brake lever
2. Spring (2-3/4 inches/70
mm)
3. Adjusting nuts
4. Collar on brake rod
3. If adjustment is necessary, loosen the jam nut
below the spring and tighten the nut directly
below the yoke (Figure
the correct measurement is obtained. Tighten
the two nuts together and repeat on opposite
side of unit.
4. Turn nuts clockwise to shorten spring length and
turn counter-clockwise to lengthen the spring.
5. Engage parking brake, lever up.
6. Measure the distance between the trunnion roller
and the collar on brake rod. The measurement
should be 5–7 mm (3/16–1/4 inch)
7. If adjustment is necessary, loosen the jam nut
directly below the yoke. Turn the bottom rod until
(Figure 29).
5. 5–7 mm (3/16–1/4 inch)
6. Jam nut and yoke
7. Trunnion roller
29). Turn the nut until
(Figure
the correct measurement is obtained
29). Tighten jam nut at the yoke.
13

Checking the Tire Pressure

No Parts Required
Procedure
Note:
Increase the tire pressure due to the additional
weight.
Check and increase the air pressure in the front caster
wheels and the rear tires
Pressure:
Rear tires: 138 kPa (20 psi)
Front caster wheels: 172 kPa (25 psi)
g003788
29).
18
(Figure
(Figure 30).
Figure 30
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