TM-9-2320-361-20
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
OCTOBER 1991
TM-9-2320-361-20 - Page 603 of 1207
TM 9-2320-361-20
8-11. AIR-HYDRAULIC CYLINDER REPLACEMENT
This task covers
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
Al l
EQUIPMENT CONDITION
MATERIALS/PARTS
Parking brake set (TM 9-2320-361-10).
Air system drained (TM 9-2320-361-10).
Two gaskets
Antiseize tape (Appendix C, Item 27)
GENERAL SAFETY INSTRUCTIONS
Cap and plug set (Appendix C, Item 8)
Do not disconnect air lines before draining air
REFERENCES (TM)
reservoirs.
LO 9-2320-209-12-1
TM 9-2320-361-10
TM 9-2320-361-20P
WARNING
Do not disconnect air lines before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
CAUTION
When disconnecting hydraulic lines and hoses, plug all openings to
prevent dirt from entering and causing internal parts damage.
Remove plugs prior to installation.
NOTE
Tag all air and hydraulic lines for installation.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
8-30
NOTE
Have drainage container ready to catch brake fluid.
Remove two screws (10) and shield (11) from air-hydraulic cylinder (2).
Remove master cylinder hydraulic line (5) and gasket (3) from adapter (4). Discard gasket (3).
Loosen nut (6) and turn master cylinder hydraulic line (5) out of the way.
Disconnect hydraulic pressure line (7) from adapter (8).
Remove vent line (12) and gasket (13) from elbow (14). Discard gasket (13).
Disconnect trailer air line (21) from elbow (22).
Disconnect air supply line (16) from elbow (15).
Disconnect connector (20) from stoplight switch (19).
Remove screw (1) and air-hydraulic cylinder (2) from brackets (9) and (17).
Remove stoplight switch (19) from tee adapter (18).
Remove elbows (14), (15), and (22) and adapters (4) and (8) from air-hydraulic cylinder (2).
Remove, tag, clean, and inspect all adapters and elbows from air-hydraulic cylinder (2). Inspect for
cracks, breaks, or stripped threads. If damaged, discard.
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