Drive Unit Assembly

The drive unit assembly includes the traction motor, electromagnetic brake assembly, drive wheel, and drive unit (transmission).

NOTE: For replacement parts information refer to the Parts Manual.

Table 7-1.Legend for “Drive Unit, Exploded View” on page7-23

Item No. Description

Item No. Description

1Housing, Gear Case17Drive Axle

2Cover, Gear Case18Bearing, Sealed

3Cap Screw, Socket Head19Spacer, Bearing

4Pinion, Drive 1 st Stage 20Stud, Wheel

5 Gear Set, 2 nd Stage 21Cap Screw, Socket Head

7 Gear Set, Output 22Cap Screw, Socket Head

9 Bearing, Steering 23Washer, Lock

10Plug, Fill/Level 25Axle, 2nd Stage

11Plug, Drain26Sleeve (roll pin)

12Bearing, Sealed27Ring, Retaining

13Bearing Set, Cup and Cone28Vent

14Seal, Ring29Motor, Traction

15Screw, Hex Head30Brake (with Boot)

16Seal, Shaft31Brake Hub Mounting Location

7-22Publication: 1146947, Revised: 12 Jan 2017

Section 7.Component Procedures

Drive Unit

Drive Unit Removal

1.Lower the forks. If equipped with the optional keypad, press the red OFF ( O ) key. Place the Main ON/OFF Switch in the OFF position. Disconnect the battery connector.

2.Remove the lower and grille covers (page7-4).

3.Remove the bumper. See “Bumper Removal” on page7-9.

Use extreme care whenever the truck is jacked up. Keep hands and feet clear from the vehicle while jacking the truck. After the truck is jack ed, put solid blocks beneath it to support it. DO NOT rely on the jack alone to support the truck. For details, see “Jacking Safety” on page2-8.

4.Jack the truck and block the frame.

5.Remove the drive wheel. See “Drive Wheel” on page7-28.

6.Remove the screws [2] that secure the control arm stop [3]. See Figure7-35.

Model

7.Disconnect the handle harness and arm angle proximity switch.

8.Disconnect the cables/wire from the traction motor to the terminal block on the drive unit housing. See Figure7-37.

9.Disconnect the brake connector and the speed and temperature sensor connector on the drive unit housing.

10.Feed the control wiring harness and power cables through the drive unit pivot mount.

11.Remove the screws [1] that secure the control handle assembly to the drive unit assembly. See Figure7-35.

The drive unit assembly may fall free from its mounting after the bolts are removed.