WHEEL BEARING PRELOAD ADJUSTMENT :

AXLE

MAINTENANCE:

WHEEL BEARING PRELOAD ADJUSTMENT :

CHECK DIFFERENTIAL AND PLANETARY OIL LEVELS

Wheel hub bearing preload should be adjusted every 800

every 50 hours after machine operation but allow 5 minutes

hours.

for all the oil to drain to its normal level. Planetary oil level

is checked at filler plug on planetary end cap with arrow at

1. Park machine on level ground, set parking brake

its lowest position. Differential oil level is checked at filler

and lower blade.

plug on differential housing. Add lubricant as necessary

(refer to LUBRICANTS SPECIFICATION CHART).

2. Jack up each wheel individually and block securely,

so that wheel clears ground level.

CHANGE OIL after initial 50 hours of operation and

thereafter every 800 hours. Oil change should be made

3. Remove all cleaner teeth and fenders.

with oil at operating temperature. Remove plug at bottom

of axle housing and allow lubricant to drain. Rotate wheel

4. Attach hoist and sling to wheel and hold taut. Now

until planetary filler hole is at lowest position, remove plug

wheel mounting nuts can be removed and wheel lifted from

and allow to drain. Replace drain plugs and fill with a light

axle.

flushing oil. Operate axles for a short period of time, then

drain. Inspect the magnetic drain plug for foreign particles

indicative of wear or possible failure. Replace drain plugs

and refill with clean oil (refer to LUBRICANTS

SPECIFICATION CHART). Be sure thrust cap oil level is

in proper position' when refilling planetary.

CHECK WHEEL AND AXLE MOUNTING NUTS. Torque

wheel mounting nuts every 100 hours to 450 ft-lbs (62 m-

kg). Every 200 hours torque axle mounting nuts to 700 ft-

lbs (97 m-kg). Replace any damaged nuts or studs.

Wheel Removal

5. Drain oil from planetary housing.

6. Remove bolts from planetary carrier assembly.

Remove plant carrier from hub assembly.

Axle Mounting Studs

Planetary Carrier Retaining Bolts

Rev. 760501

K300

50-3.1