TM 9-2320-272-24-4
THIS TASK COVERS:
a. Removal
d. Assembly
b. Disassembly
e. Installation
c. Cleaning and Inspection
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM]
M929/A1/A2, M930/A1/A2
LO 9-2320-272-12
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
Spring tester (Appendix E, Item 131)
Dump body removed (para. 4-144).
Soft-faced hammer
Outside micrometer (Appendix E, Item 80)
Dump roller arms removed (para. 5-104).
Inside micrometer (Appendix E, Item 83)
GENERAL SAFETY INSTRUCTIONS
Torque wrench (Appendix E, Item 146)
Do not operate dump controls when dump body is
MATERIALS/PARTS
removed.
Eight lockwashers (Appendix D, Item 393)
Preformed packing (Appendix D, Item 511)
O-ring (Appendix D, Item 466)
Cotter pin (Appendix D, Item 75)
Cap and plug set (Appendix C, Item 14)
Lint-free cloth (Appendix C, Item 21)
Clean hydraulic oil (Appendix C, Item 35)
WARNING
Ensure dump control is in neutral and not moved. Injury to
personnel may result if lift cylinder is operated when not secured.
NOTE
A 4x4 block of wood is recommended for use as support.
1.
Raise hoist cylinders (3) and (9) from subframe (4) and place wood support between sub-
frame (4) and cylinders (3) and (9).
2.
Remove four screws (2), lockwashers (1), two upper crosshead retainers (5), lower crosshead
retainers (7), and crosshead (8) from two piston rods (6). Discard lockwashers (1).
CAUTION
Plug all hydraulic lines or openings to prevent dirt from entering
and damaging components.
NOTE
Cross fitting to hoist cylinder hoses must be disconnected from
cross fittings first. Then hoses can be removed from hoist
cylinders.
Have drainage containers ready to catch oil.
Tag all parts for installation.
3.
Disconnect hydraulic hoses (18) and (14) from right cross fitting (17).
5-614
