TM 9-2330-267-14&P
4-42. RELAY VALVE REPLACEMENT.
This Task Covers:
a.
Removal
b. Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
l Air lines and fittings disconnected from relay valve
l Marker tags (Item 25, Appendix E)
(para 4-37 or 4-38).
l Antiseize tape (Item 26, Appendix E)
Tools/Test Equipment:
l General mechanic’s tool kit
a.
REMOVAL
NOTE
The M149 relay valve is Installed on frame with three screws and nuts. The M149A1 or
M149A2 is installed directly on air reservoir. Step 1 is for M149A1 or M149A2 only.
1.
Remove relay valve (2) and nipple (3) from air reservoir (4).
2.
Remove two elbows (1) from relay valve (2).
3.
Remove nipple (3) from relay valve (2).
TA507043
4-78
