Inspection; Assembly - Manitowoc Grove 5540F Service Manual

AXLES/DRIVE SHAFTS/WHEELS AND TIRES
cap is free, pull the sleeve yoke and dust cap free of the
slip yoke.
Rear Drive Shaft
1. Remove two snap rings from the bearing caps in the slip
yoke 4 Figure 8-51.
2. After the snap rings are removed, use a soft drift with a
flat face slightly smaller than the diameter of the bearing
to remove the bearings.
a0447

Inspection

Clean all parts with a suitable solvent. Remove all rough
areas from any finished surfaces. Make sure the bearing
surfaces on the journal crosses are smooth. Do not
disassemble the needle bearings. Clean with a brush and
compressed air. Apply a small amount of SAE 140 oil into
each bearing cap and rotate the bearing on the trunnion to
check for wear. If there is any indication of wear or damage
to the needle bearings, bearing cap or journal crosses,
replace the journal and bearings as an assembly.
Check for damage to the splines of the sleeve yoke. Make
sure the splines are clean and smooth. Look for damage or
distortion of the drive shaft tube. Damage can cause failure
of the drive shaft under high torque loads. The drive shaft
8-28
3. Repeat steps 1 and 2 to the sleeve yoke end.
4. To disassemble the sleeve yoke 3 from the slip yoke 4,
turn the dust cap assembly counterclockwise. When the
dust cap assembly is free, pull the sleeve yoke and dust
cap free of the slip yoke.
must be straight to inhibit vibration during operation. Replace
the drive shaft if there is damage.

Assembly

Front Axle Drive Shaft.
1. If new journal and bearings are not being installed,
inspect the seals in the bearing retainers. If they are
damaged in any way, replace the complete journal and
bearing assembly.
2. Install the journal cross into the yoke of the sleeve yoke.
The relief must be towards the sleeve yoke.
3. Apply a small amount of SAE 140 oil to the trunnions on
the journal cross. Press the bearings and cap
Published 10-21-2010, Control# 198-04
5540F/YB5515 SERVICE MANUAL
FIGURE 8-51