AXLES/DRIVE SHAFTS/WHEELS AND TIRES 5540F/YB5515 SERVICE MANUAL
8-6 Published 10-21-2010, Control# 198-04
Replacing The Pinion Oil Seal
1. Remove the wheel and tires and disconnect the axle
drive shaft. Measure the axle rolling torque and record
the reading Figure 8-4.
2. Mark the position of the coupling yoke on the splined
shaft. Using the drive coupling spanner, remove the
coupling yoke Figure 8-5 together with its stake nut and
washer.
NOTE: On later axles, the stake nut and washer are
combined. The separate nut and washer should be
discarded and replaced with the new combined nut
and washer.
3. Remove the seal Figure 8-6 and install a new one. Pack
the lips of the new seal with grease before installing.
NOTE: Take care not to damage the housing when
removing the old oil seal.
4. Align the locating marks on the yoke and the splined
shaft. Install the coupling yoke and a new combined
stake nut and washer.
5. Using the drive coupling spanner Figure 8-5, tighten the
nut to a torque of 184 lb-ft (250 Nm).
6. Measure the rolling axle torque Figure 8-7. The reading
should be the 0.37 to 0.74 lb-ft (0.5 to 1 Nm) more than
that recorded in Step 1.
If necessary, progressively tighten the nut to achieve the
correct rolling torque.
WARNING
A raised and badly supported machine can fall on you
causing severe injury or death. Position the machine on a
firm, level surface before raising one end. Ensure that the
other end is securely chocked. Do not rely solely on the
machine hydraulics or outriggers to support the machine
when working under it.
Disconnect the battery cables while you are under the
machine, to prevent the engine from being started.
Reference Only
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