11. Lock wire
8. Hub and sprocket
15. Grease fitting (21
2. Capscrew (2)
16. Relief fitting
23. Capscrew (12)
24. Lock ring
4. Bevel pinion
13. O -ring
14. Swing clutch housing
Figure 5-12. Horizontal swing shaft assembly exploded view
d. Inspect and smooth all seal seating surfaces with a fine oil
5-46. Inspection and Repair
stone or crocus cloth. Seal seating surfaces must be smooth, or
a. Clean all parts using a suitable solvent.
rapid and severe wear of oil seals will develop.
b. Replace all seals, gaskets, deformed shims, O-rings,
e. The horizontal swing shafts use the identical clutch as the
and other expendable parts.
c. Inspect all parts for wear, scoring, cracks, or any other
visible signs of damage or excessive wear, Replace any parts
not in good condition. Inspect gear teeth for severe wear,
a. Install seal (10, fig. 5-12) and O -ring (13) in housing (14).
pitting, and for excessive tooth shortening. Inspect the roots of
b. Warm inner race of bearing (9) and install it
gear teeth to be sure no cracks are developing. Inspect
spacers for scoring.