To Replace Drive Wheel Motor - Tennant ATLV 4300 Service Manual

TO REPLACE DRIVE WHEEL MOTOR

FOR SAFETY: Before Leaving Or
Servicing Machine; Stop On Level
Surface, Set Parking Brake, turn off
machine, and remove key.
1. Place blocks in front and back of the front
tires.
2. Jack up the rear of the machine at the
indicated jack points. Install jack stands
under the machine frame.
NOTE: Make sure the parking brake is engaged.
3. Remove the five wheel nuts. Remove the
tire and wheel assembly from the machine.
4. Remove the castle nut from the center of the
wheel hub.
5. Disengage the parking brake.
6. Remove the tension spring and clevis pin
from the brake cable clevis and arm on the
brake assembly.
7. Remove the two M12 hex screws and nyloc
nuts holding the brake assembly to the top
side of the wheel motor.
8. Pull the brake assembly straight up and off
the brake hub.
9. A large wheel puller must be used to remove
the wheel hub from the hydraulic drive
motor. Remove the hub.
NOTE: Observe hydraulic cleanliness
requirements when opening hydraulic lines.
10. Mark, disconnect, and plug the hydraulic
hoses leading to the drive motor.
11. Remove the remaining two M12 hex screws
and nyloc nuts holding the drive motor to the
machine frame. Remove the drive motor
from the machine.
NOTE: Note that the two longer bolts go in the
upper mount holes.
12. Remove the hydraulic fittings from the old
drive motor and install in the new motor in
the same orientation.
ATLV 4300 330495 (10- -98)
HYDRAULICS
5-17