TM 9-233-275-14&P
4-43. AIR RESERVOIR REPLACEMENT.
This Task Covers:
a. Removal
c. Installation
b. Impaction
Initial Setup:
Equipment Conditions:
Materials/Parts:
Relay valve removed (M689 and M840)
(para 4-44).
Tools/Test Equipment:
l General mechanic’s tool kit
l Antiseizing tape (Item 17, Appendix E)
Six Iockwashers
a.
REMOVAL
1.
Open draincock (6 or 16) on air reservoir (1 or 10) to release air pressure. Close draincock (6 or 16).
2.
Remove air hose (7) from air reservoir (1 or 10).
3.
For the M689 and M840, remove four nuts (5), Iockwashers (4), washers (3), and screws(2) from air reservoir
(1). Remove air resevoir (1) from dolly set. Discard lockwashers.
4.
For M689 and M640, remove draincock (6) from air reservoir (1).
NOTE
Steps 5 through 8 apply only to the M832 dolly set.
5.
Remove two screws (15), lockwashers (14), and washers (18) from base of air resevoir (10) on suspension
bar. Discard Iockwashers.
6.
Remove screw (13) and Iockwasher (12) from tank clamp (11). Remove air reservoir (10) from dolly set.
Discard lockwasher.
7.
Remove two screws (9) and Iockwashers (8) from tank clamp (11) mounting points on suspension bar. Discard
lockwashers.
8.
Remove draincock (16) and pipe bushing (17) from air reservoir (10).
b.
INSPECTION
Inspect air reservoir, pipe bushing, draincock, tank clamp, and air hose for frays, tears, breaks, cracks, and
bends. Replace damaged hardware.
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