TM 9-2330-390-14&P
Change 4 4-163
4-70.
REAR DOLLY RELAY VALVE REPLACEMENT (Con't).
3.
Disconnect tube assembly (11) from elbow (1).
4.
Remove two locknuts (7), flatwashers (6), bolts (4), flatwashers (4.1), and relay valve (3) from pivoting tray
(5). Discard locknuts.
5.
Remove plug (2) and two elbows (1 and 8) from relay valve (3).
CAUTION
DO NOT overtighten fittings at relay valve or damage to relay valve will occur.
NOTE
Male threads of fittings should be coated with antiseize tape if not already fac-
tory-coated with an antiseize compound.
1.
Install plug (2) and two elbows (1 and 8) on relay valve (3).
2.
Install relay valve (3) on pivoting tray (5) with two bolts (4), flatwashers (4.1 and 6), and new locknuts (7).
3.
Connect tube assembly (11) to elbow (1).
4.
Connect tube assembly (9) to elbow (8).
5.
Connect tube assembly (10) to relay valve (3).
Follow-on Tasks:
•
Close air reservoir draincock (see paragraph 3-6).
•
Connect Intervehicular air hoses (see paragraph 2-11).
•
Check for leaks (see paragraph 4-23).
b.
INSTALLATION
