TM 9-2320-260-34-2
16-28. CRANE GEARCASE MAINTENANCE (M816)
THIS TASK COVERS:
d. Assembly
a. Removal
e. Installation
b. Disassembly
c. Cleaning and Inspection
lNITIAL SETUP
MATERIALS/PARTS (Cont'd)
APPLICABLE MODELS
Woodruff key (Appendix D, Item 562)
M816
TOOLS
Gasket (Appendix D, Item 114)
General mechanic's tool kit
Seal (Appendix D, Item 468)
(Appendix B, Item 1)
REFERENCES (TN)
Mechanical puller kit (Appendix B, Item 14)
LO 9-2320-260-12
Outside micrometer (Appendix B, Item 8)
TM 9-2320-260-10
Inside micrometer (Appendix B, Item 9)
TM 9-2320-260-34P-2
Arbor press (Appendix B, Item 7)
MATERIALS/PARTS
EQUIPMENT CONDITION
Twenty lockwashers (Appendix D, Item 223)
Hoist winch motor removed (para. 16-15).
Two woodruff keys (Appendix D, Item 566)
Two woodruff keys (Appendix D, Item 567)
1. Remove four screws (8) and lockwashers (7) from end cap (1) and motor mounting cap (6). Discard
Iockwashers (7).
2. Remove two screws (3) and lockwashers (4) from gearcase housing (2). Discard lockwasher (4).
NOTE
Assistant will help with step 3.
3. Pry gearcase housing (2) from turntable (5) and remove gearcase housing (2).
NOTE
Have drainage container ready to catch oil.
1.
Remove magnetic plug (15) and two plugs (14) from gearcase housing (2). Drain gearcase housing (2).
2.
Remove six screws (12) and Iockwashers (13) from cover (17). Discard Iockwashers (13).
Install three screws (11) in three jacking holes (10) in cover (17). Evenly tighten screws (11) and
3.
remove cover (17) and gasket (16) from gearcase housing (2). Discard gasket (16).
4.
Remove three screws (11) and plug (9) from cover (17).
5.
Remove screw (18), lockwasher (19), and washer (20) from spur gear shaft (21). Discard lock-
washer (19).
NOTE
Assistant will help with step 6.
Using an arbor press, press spur gear shaft (21) from gearcase housing (2).
6.
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