Textron Jacobsen Super LF 1880 Fairway Mower with ROPS, Service & Repair Instructions

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HYDRAULICS
8F-23
SECTION 8F. REAR (4 WHEEL DRIVE) TRACTION MOTOR
GENERAL
The traction pedal and traction pump control the rear
traction motors. The motor is mounted inside a swivel-
ing motor mount, which is mounted to the steering axle
with a hub mounted on the output shaft, see
Figure 8F-1. The hub is used to mount the wheels.
Figure 8F-1. Rear Traction Motor
REMOVAL
1. Shut down the engine and remove the ignition
key.
2. Lift the tractor and support the steering axle with
jack stands and chocks.
3. Remove the wheel and tire.
4. Remove the cotter pin and nut from the motor out-
put shaft, see Figure 8F-2.
5. Using a suitable hub puller, remove the hub and
key.
6. Thoroughly clean the motor especially the area
surrounding the hydraulic hoses.
7. Tag and disconnect the hydraulic hoses from the
motor. Immediately plug the hoses and motor to
prevent contamination of the hydraulic system.
8. While supporting the motor, remove the four
mounting bolts and lock washers, see
Figure 8F-2.
9. Remove the motor from the motor mount.
Figure 8F-2. Traction Motor Mounting
REPAIR
1. Disassemble motor as shown in Figure 8F-3.
NOTE:
When removing the port manifold cover, be care-
ful not to lose the two pins and springs between
the balance ring and cover.
2. Press the shaft and bearing assembly from the
mounting flange end.
3. Remove and discard all seals, backup ring, and
seal rings.
4. Clean all the parts in a suitable solvent.
Hub
Motor Mount
Traction Motor
Motor Mount
Traction Motor
Hub
Nut & Cotter
Pin
Mounting
Bolts
8F