Brake Maintenance; Adjusting The Parking Brake; Belt Maintenance; Inspecting The Belts - Toro Z453 Z Master 74416TE Operator's Manual

4. Clean the debris and grass from the engine
parts.
5. Install air intake screen, recoil starter and fan
housing (Figure 49).
Figure 49
1. Guard
2. Air intake screen

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 50).
3. Bolt
4. Fan housing
Figure 50
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 50).
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 50).
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 50).
C. Tighten the jam nut at the yoke.

Belt Maintenance

Inspecting the Belts

Inspect all belts every 100 hours.
39
5. 3/16 to 1/4 inch (5 to
7 mm)
7. Trunnion