TM 5-3810-305-23
0159
REMOVAL
1.
Inspect mast assembly. Repair if necessary.
NOTE
Do not disassemble unless mast assembly is not turning freely.
2.
Remove four capscrews (Figure 1, Item 1), washers (Figure 1, Item 4), cap (Figure 1, Item 10), spacer
(Figure 1, Item 9), and shims (Figure 1, Item 8) from swivel (Figure 1, Item 7).
3.
Remove swivel (Figure 1, Item 7) and spud (Figure 1, Item 2) from mast (Figure 1, Item 3).
4.
Using a bearing puller, separate swivel (Figure 1, Item 7) from spud (Figure 1, Item 2).
5.
Remove one cone (Figure 1, Item 5) and two cups (Figure 1, Item 6) from swivel (Figure 1, Item 7).
6.
Remove one cone (Figure 1, Item 5) from spud (Figure 1, Item 2).
END OF TASK
CLEANING
Clean parts IAW General Maintenance Instructions (WP 0162).
END OF TASK
INSPECTION
Inspect parts IAW General Maintenance Instructions (WP 0162).
END OF TASK
INSTALLATION
CAUTION
There is a limit to which gaging material will compress, thus resulting in a false measurement.
If 0.12 inch (3.0 mm) material crushes to below 0.05 inch (1.3 mm), remeasuring using
0.06 inch (1.5 mm) material.
NOTE
If using new parts, before installing cap and capscrews, place one piece of either
0.12 inch (3.0 mm) or 0.06 inch x 2.00 inch (1.5 x 50.8 mm) gaging material across end of
spud. Install cap and capscrews and evenly torque until no end play is felt in bearing, and
slight resistance is felt in bearing rotation. Remove capscrew, cap and gaging material.
Measure, using a micrometer, to find proper shim pack requirement. Build up shim pack equal
to or up to 0.002 inch (0.05 mm) thicker than measurement.
1.
Install spud (Figure 1, Item 2) to mast (Figure 1, Item 3).
2.
Pack cups (Figure 1, Item 6) with grease.
3.
Install two cups (Figure 1, Item 6) and cones (Figure 1, Item 5) into swivel (Figure 1, Item 7).
4.
Press and install swivel (Figure 1, Item 7) onto spud (Figure 1, Item 2).
5.
Install shims (Figure 1, Item 8), spacer (Figure 1, Item 9), cap (Figure 1, Item 10), four washers
(Figure 1, Item 4), and capscrews (Figure 1, Item 1) to cap. Torque capscrews to 74 ft-lb (100 Nm).
0159-2
03/15/2011Rel(1.8)root(maintwp)wpno(M00176)
