SERVICE REPAIR
J2.00XM J2.50XM J3.00XM J3.20XM Europe [B416]
1400 SRM 1223
Description
General
This section has the description and repair procedures for the differential, drive axle, traction motor, and the
wet disc brakes.
Description
The drive unit consists of following main components
(see Figure 1):
• The traction motor with hollow shaft.
• Mechanical differential assembly (located on left-
hand side of traction motor shaft).
• The gearbox with intermediate flange, containing
the wet disc brakes.
• Main housings, containing the pistons for the wet
disc brakes and the parking brake levers.
• Speed sensor and reluctor wheel (located on trac-
tion motor shaft, see Figure 8).
1. WHEEL HUB
2. GEARBOX (LH)
3.
INTERMEDIATE FLANGE (LH)
4. MAIN HOUSING (LH)
5. PARKING BRAKE LEVER
6. TRACTION MOTOR
7. MAIN HOUSING (RH)
8.
INTERMEDIATE FLANGE (RH)
9. GEARBOX (RH)
10. SPEED SENSOR
11. DIFFERENTIAL ASSEMBLY
Figure 1. Drive Unit
1
Description
1400 SRM 1223
The drive unit assembly is fastened to the frame of
the lift truck by the frame mounts of the main hous-
ings. See Figure 2.
The mast is mounted on the J-hook mountings of the
main housings of the drive unit. See Figure 3.
The traction motor is mounted in between the two
main housings. The traction motor generates the
power to the differential assembly. See Figure 4.
1. FRAME MOUNTS
Figure 2. Drive Unit Frame Mounts
2
1400 SRM 1223
Description
1. J-HOOK MOUNTINGS
Figure 3. Mast Mounting Hooks
1. WHEEL HUB
2. PLANETARY GEAR
3.
INPUT SHAFT (RH)
4. DRIVE GEAR
5. AXLE SHAFT
6. TRACTION MOTOR SHAFT
7. DIFFERENTIAL ASSEMBLY
8. DRIVE GEAR
9.
INPUT SHAFT (LH)
10. SUN PINION
11. DRIVEN GEAR
12. BRAKE DISC PACK
13. DISC PUSHER
14. PISTON
15. PARK BRAKE LEVER
Figure 4. Drive Unit
3
Description
1400 SRM 1223
The differential then transfers the power through the
axle shaft to the input shafts located in the interme-
diate flange assemblies. The input shaft drive gears
transfer the power to the driven gears. The driven
gea