TM 9-2320-260-34-2
15-16. HOIST SAFETY LATCH MAINTENANCE
THIS TASK COVERS:
a. Removal
d. Assembly
e. Installation
b. Disassembly
c. Cleaning and Inspection
INITIAL SETUP
REFERENCES (TM)
APPLICABLE MODELS
LO 9-2320-260-12
M817
TM 9-2320-260-10
TOOLS
TM 9-2320-260-34P-2
General mechanic's tool kit
EQUIPMENT CONDITION
(Appendix B, Item 1)
q Dump body removed (para. 15-13).
MATERIALS/PARTS
q Hydraulic reservoir drained (LO 9-2320-260-12).
Two cotter pins (Appendix D, Item 31)
GENERAL SAFETY INSTRUCTIONS
Cotter pin (Appendix D, Item 32)
q Do not operate dump controls when dump body is
Five locknuts (Appendix D, Item 169)
removed.
No packings (Appendix D, Item 303)
q Spring is under tension. Release tension slowly.
Cap and plug set (Appendix C, Item 6)
WARNING
Do not operate dump controls when dump body is removed.
Injury to personnel may result if lift cylinder is operated when
not secured.
CAUTION
Cap or plug all openings immediately after disconnecting lines and
hoses to prevent contamination, Failure to do so may result in
damage to equipment.
NOTE
q Tag hoses for installation.
q Have drainage container ready to catch hydraulic oil.
a. Removal
1. Disconnect two hydraulic hoses (1) from safety latch cylinder (10).
2. Remove two packings (2) from safety latch cylinder (10). Discard packings (2).
3. Remove four locknuts (7), washers (8), screws (3), locknut (6), screw (4), and safety latch
assembly (9) from subframe (5). Discard locknuts (7) and (6).
b. Disassembly
1.
Remove cotter pin (23) and washer (22) from pin (13). Discard cotter pin (23).
WARNING
Spring is under tension. Release tension slowly. Failure to do so
may result in injury to personnel.
2.
Slowly release spring (12) and remove pin (13) from mounting bracket (14) and safety hook (11).
3.
Remove cotter pin (19), pin (16), and two washers (20) from safety latch cylinder (10) and safety
hook (11). Discard cotter pin (19).
15-48
