TM 9-2320-272-24-2
3-458. WHEEL VALVE FILTER REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
TM 9-2320-272-10
TM 9-2320-272-24P
TOOLS
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-272-10).
q
MATERIALS/PARTS
Air reservoirs drained (TM 9-2320-272-10).
q
Filter (Appendix D, Item 122)
GENERAL SAFETY INSTRUCTIONS
O-ring (Appendix D, Item 437)
Two locknuts (Appendix D, Item 334)
Eyeshields must be worn when releasing
compressed air.
a. Removal
WARNING
Air system components are subject to high pressure. Always
relieve pressure before loosening or removing air system
components.
NOTE
Replacement of wheel valve filter is the same for front and rear
wheel valves. This procedure is for front wheel valves.
1.
Remove cap (2) and valve stem (3) from wheel valve (4) and allow tire (10) to deflate completely
2.
Remove two locknuts (14), washers (13), screws (15), washers (16), shield (1), and spacer (12) from
studs (9) and axle flange (11). Discard locknuts (14).
3.
Disconnect hose (8) from elbow (7).
4.
Remove elbow (7), O-ring (6), and filter (5) from wheel valve (4). Discard O-ring (6) and filter (5).
b. Installation
1.
Install new filter (5), new O-ring (6), and elbow (7) on wheel valve (4).
2.
Connect hose (8) to elbow (7).
3.
Install spacer (12) and shield (1) on studs (9) and axle flange (11) with two washers (16),
screws (15), washers (13), and new locknuts (14)
4.
Install valve stem (3) and cap (2) on wheel valve (4).
3-1248
