Wheel Drive Assembly; Removal; Installation - JLG 600A Service And Maintenance Manual

SECTION 3 - CHASSIS & TURNTABLE

3.5 WHEEL DRIVE ASSEMBLY

Removal

NOTE: The drive motor can be removed through the axle flange as
part of the wheel drive assembly or they can be removed
separately through the bottom of the frame while leaving
the torque hub bolted to the axle.
1. Use a jack to lift the frame enough so the tire and wheel
assembly is off of the ground. Place blocking strong
enough to support the weight of the machine under the
frame and remove the jack.
NOTE: The pneumatic tire & wheel assembly weighs approxi-
mately 269 lbs. (122 kg). The foam-filled tire & wheel
assembly weighs approximately 544 lbs. (247.25 kg).
2. Remove the tire and wheel assembly.
3. Through the access holes in the axle, tag and disconnect
the hydraulic lines running to the drive motor. Cap or
plug all openings to ensure no dirt enters the hydraulic
system.
TIRE
3-10
NOTE: The torque hub and drive motor assembly weighs approxi-
4. Use a supporting device capable of handling the weight
5. Remove the bolts and washers that secure the drive

Installation

1. Install a new o-ring between the drive motor and torque
2. Place the torque hub flange against the mounting
3. Install the tire and wheel assembly.
WASHER
BOLT
DRIVE HUB
Figure 3-6. Wheel Drive Assembly
mately 270 lbs. (122 kg).
of the torque hub and drive motor and unbolt the
torque hub from the frame. Remove the entire assembly
from the machine.
motor to the torque hub and remove the drive motor.
Remove and discard the o-ring between the drive motor
and torque hub.
hub. Install the bolts and washers to secure them
together and torque to 110 ft. lbs. (149 Nm).
flange on the axle and fasten it in place with the bolts
and washers. Torque the bolts to 170 ft. lbs. (298 Nm).
WASHER
DRIVE MOTOR
O-RING
BOLT
3121201