TM 5-3810-306-34
SWING GEARBOX ASSEMBLY
TOOLS:
General mechanic's tool kit: automotive (5180-00-177-7033)
SUPPLIES:
Lockwashers (Item 13, Appendix B) (11 Required)
Loctite 242 (Item 6, Appendix B)
Solvent P-D-680 (Item 1, Appendix B)
Silicone sealant (Item 27, Appendix B)
Grease (Item 9, Appendix B)
EQUIPMENT CONDITIONS:
Swing gearbox assembly removed. (Refer to page 15-114.)
Swing motor removed. (Refer to TM 5-3810-306-20.)
Swing brake removed. (Refer to page 15-124.)
DISASSEMBLY:
a. Using a suitable driver, remove planet
cage and shaft (30) from gear housing
1. IF NOT ALREADY REMOVED, REMOVE
(40).
LOCKWIRE, BOLTS (52) AND END CAP (51)
FROM BOTTOM OF PINION (50). REMOVE
b. Use a bearing puller to remove planet
PINION (50) AND SPACER (49) FROM
cage and shaft bearing (24).
BOTTOM OF PLANET CAGE AND SHAFT (30).
c. Using puller, remove bearing (29) from
NOTE
planet cage and shaft (30).
For ease of alignment during
NOTE
assembly, scribe or pencil mark a line
through housing cover (21) and base
Bearing (37) and seal retainer (33)
(40).
may remain in housing (40) instead of
coming out with planet shaft (30).
2. REMOVE VENT AND DRAIN PLUGS (20) AND
(42). PLACE THE SWING GEARBOX ON ITS
d. Pull lower bearing (37) from planet shaft
SIDE AND DRAIN IT.
assembly.
3. REMOVE COVER (21).
e. Remove seal retainer (33) from planet
shaft. Remove packings (32) from seal
a. Remove hex head bolts (22) and (17),
retainer. Using a press or driver, remove
washers (18) and lifting lugs (19) from
two seals (34) from seal retainer (33).
gear housing cover (21). Remove the
cover (21).
(25) AND SPACERS (26) FROM PLANET
4. REMOVE PLANET CAGE AND SHAFT (30)
CAGE (30).
AND BEARINGS (24), (29) AND (37).
NOTE
Ensure planet gears (28) are aligned
with cutouts in gear housing (40).
15-116
