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
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
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
4. Attach hoist and sling to wheel and hold taut. Now
of axle housing and allow lubricant to drain. Rotate wheel
wheel mounting nuts can be removed and wheel lifted from
until planetary filler hole is at lowest position, remove plug
and allow to drain. Replace drain plugs and fill with a light
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
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.
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