Caterpillar DP70NH DP80NH DP100NH Chassis & Mast Lift Trucks Service Manual - PDF DOWNLOAD

Page 71

4. BRAKE SYSTEM

4.2.4 ADJUSTING BRAKE PEDAL (1) Make the brake valve's push rod short. (2) Adjust the pedal height with the stopper bolt as shown in Figure 4.25. (3) With the pedal pressed by the free travel, extend the push rod to let the push rod end contact the brake valve piston. (4) Tighten the push rod lock nut.

134 mm (5.28 in) PLAY: 40 mm (1.58 in)

PUSH ROD

A

PEDAL STOPPER BRAKE LAMP SWITCH

BRAKE VALVE

BRAKE SWITCH

LOCK NUT

Fig. 4.25 ■ Adjusting brake switch (1) Make sure the brake pedal height is the value shown in Figure 4.25, and then loosen the brake switch lock nut. (2) Disconnect the brake switch lead wire from the connector. (3) Turn the switch and adjust the size of part A to 1mm (0.04 in). (4) Make sure the brake lamp comes on when the brake pedal is pressed by the free travel.

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