TM 9-2320-260-34-2
16-25. HOIST BEVEL GEARCASE REPAIR (M816)
THIS TASK COVERS:
d. Repair
a. Removal
e. Assembly
b. Disassembly
f. Installation
c. Cleaning and Inspection
INITIAL SETUP
MATERIALS/PARTS (Contd)
APPLICABLE MODELS
Grommet (Appendix D, Item 157.1)
M816
Shims (Appendix D, Item 501)
TOOLS
Iron base pigment (Appendix C, Item 26)
General mechanic's tool kit
Gear oil (Appendix C, Item 22)
(Appendix B, Item 1)
REFERENCES (TM)
Mechanical puller kit (Appendix B, Item 14)
LO 9-2320-260-12
3/8-in. torque wrench (Appendix B, Item 4)
TM 9-2320-260-20
Arbor press (Appendix B, Item 7)
TM 9-2320-260-34P-2
Hydraulic jack
EQUIPMENT CONDITION
MATERIALS/PARTS
Hydraulic oil reservoir removed
Twenty-four lockwashers
q
(TM 9-2320-260-20).
(Appendix D, Item 215)
q Crane drive propeller shaft removed
Two lockwashers (Appendix D, Item 223)
Lockwasher (Appendix D, Item 227)
(TM 9-2320-260-20).
q Boom assembly removed (para. 16-18).
Gasket (Appendix D, Item 66)
Gasket (Appendix D, Item 88)
q Crane gondola removed (para. 16-22).
Gasket (Appendix D, Item 102)
q Boom elevating cylinders removed (para. 16-14).
q Hoist hydraulic pump assembly and support
Seal (Appendix D, Item 462)
removed (para. 16-24).
Two woodruff keys (Appendix D, Item 562)
Shims (Appendix D, Item 503)
q Crane gearcase removed (para. 16-28).
NOTE
Have container ready to catch oil.
1.
Remove two plugs (10), and drain oil from gearcase (9) and input shaft housing (11).
2.
Install plugs (10) in gearcase (9) and input shaft housing (11).
NOTE
Tag wires for installation.
Disconnect. two wires (7) from wire harness (8). (Third wire (14) is not connected.)
3.
NOTE
Assistant will help with steps 4 through 9.
4.
Position hydraulic jack under gearcase (9) and input drive housing (11).
5.
Remove six screws (4) and lockwashers (3) from inner circle holes of housing flange (6).
Discard lockwashers (3).
6.
Remove gearcase (9) and input drive housing (11) from wrecker body (13).
Remove gasket (12) from gearcase (9). Discard gasket (12).
7.
Remove six screws (2) and lockwashers (1) from housing flange (6). Discard lockwashers (1).
8.
9.
Remove housing (5) from wrecker body (13).
16-144
