Brake Maintenance; Adjusting The Parking Brake - Toro 74441 Operator's Manual

Figure 47
1. Guard
2. Air intake screen
3. Bolt
4. Fan housing

Brake Maintenance

Adjusting the Parking Brake

Check the parking brake for proper adjustment.
1. Disengage the brake lever (lever down).
2. Measure the length of the spring; the measurement
should be 2-3/4 inch (74 mm) between the washers
(Figure 48).
1. Brake lever
2. Spring, 2-3/4 inch (74 mm) 6. Jam nut and yoke
3. Adjusting nuts
4. Collar on brake rod
3. If an adjustment is necessary, do the following:
A. Loosen the jam nut below the spring and tighten
the nut directly below the yoke (Figure 48).
B. Turn the nut until you obtain the correct
measurement.
C. Tighten the 2 nuts together and repeat on the
opposite side of the machine.
4. Turn the nuts clockwise to shorten the spring length;
counterclockwise to lengthen the spring.
5. Engage the parking brake, with the lever up.
6. Measure the distance between the trunnion roller
and the collar on the brake rod. The measurement
should be 3/16 to 1/4 inch (5 to 7 mm) (Figure 48).
7. If an adjustment is necessary, do the following:
A. Loosen the jam nut directly below the yoke.
B. Turn the bottom adjusting nuts until the correct
measurement is obtained (Figure 48).
C. Tighten the jam nut at the yoke.
37
Figure 48
5. 3/16 to 1/4 inch (5 to
7 mm)
7. Trunnion