Model 4700 Maintenance Manual

from Raymond 4700 Sit-Down Counterbalanced Lift Truck With The ACR System™ Maintenance Manual PDF

by www.heydownloads.com

RAYMOND SERVICE INFORMATION

Section 7.Component Procedures

Drive and Brake Drive Unit/Motor Assemblies

Check Brake Disc Wear

1.Disconnect the cable from the parking brake lever on the drive unit.

2.Actuate brake lever by hand until resistance is felt. Mark the position.

3.Apply a 370 ft. lb. (500 Nm) force to the brake lever. Mark the position.

4.Measure the distance between the two marks. If the distance exceeds 0.5 in. (13mm), the brake disc set should be replaced.

Brake Disc Set Replacement

1.Park the lift truck on a level surface and engage the parking brake. Lower the carriage completely.

2.Turn the key switch OFF and disconnect the battery connector.

3.Block the steerable wheels to prevent truck movement.

Use extreme care whenever the truck is jacked up for any reason. Never block the truck between the telescopic and the floor. Use a suitable hoist to stabilize the mast. Keep hands and feet clear from beneath vehicle while jacking. Use jack stands or solid blocks to support truck. Do not rely on the jack alone. See “Jacking Safety” on page2-8.

4.Jack the front of the truck. Securely block the truck in position.

5.Remove the drive wheels.

6.Drain the fluid (refer to page7-27).

7.Remove the drive unit. Refer to “Drive Unit Removal” on page7-28.

8.Remove the reduction gear mounting bolts from both sides of the axle. See Figure7-28.

9.Remove both reduction gears from the axle housing. See Figure7-29.