Service Manual

3-13Z Master 500 Gas Series Service Manual

CHASSIS

Brake Shaft Installation

Reverse the order of removal.

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” (70mm) between the washers (Fig.

062).

Fig 062 g. 74 m-3788

1. Brake lever 4. Collar on brake rod

2. Spring, 2-3/4” (70mm) 5. 3/16 - 1/4” (5-7mm)

3. Adjusting nuts 6. Jam nut and yoke

3. If an adjustment is necessary, loosen the jam nut

below the spring and tighten the nut directly below

the yoke (Fig. 062). Turn the nut until the correct

measurement is obtained. Tighten the two nuts

together and repeat on the opposite side of the unit.

4. Turn the nuts clockwise to shorten the spring length

and counterclockwise to lengthen the spring.

5. Engage the parking brake, lever up.

6. Measure the distance between the trunnion roller

and the collar on the brake rod. The measurement

should be 3/16 - 1/4” (5 - 8mm) (Fig. 062).

7. If adjustment is necessary, loosen the jam nut

directly below the yoke. Turn the bottom rod until the

correct measurement is obtained (Fig. 062). Tighten

the jam nut at the yoke.

1. Park the machine on a level surface, disengage the

blade control (PTO), and turn the ignition key to OFF

to stop the engine. Remove the ignition key.

2. Remove the lower stop bolt from the deck lift plate

(Fig. 063).

Fig 063 DSC-1647

Deck Lift Lever Removal