TM 9-2330-203-14&P
4-29. AIR LINES, FITTINGS, AND HOSES REPLACEMENT (M197A1).
This Task Covers:
a. Removal
b.Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
Intervehicular air hoses disconnected from towing
Marker tags (Item 14, Appendix E)
vehicle (para 2-14).
Antiseizing tape (Item 15, Appendix E)
Five lockwashers
Tools/Test Equipment:
General mechanic's tool kit
a. REMOVAL
NOTE
Ensure that tube assemblies are tagged for installation.
1.
Open pressure tank draincock to relieve pressure in service brake system. Close draincock (para 1-7).
2.
Open storage compartment cover and disconnect two intervehicular air hoses (20) from terminal bolts (19).
3.
Disconnect two tube assemblies (21) from two elbows (15) and tee (14). Remove tube assemblies.
4.
Remove two elbows (15) from two terminal bolts (19).
5.
Remove nut (16) and lockwasher (17) from each terminal bolt (19). Remove two terminal bolts and identification
plates (18) from frame. Discard lockwashers.
6.
Remove tee (14) from air filter (13).
7.
Disconnect tube assembly (11) from adapter (12) on air filter (13) and elbow (9) on emergency relay valve (4).
8.
Remove grommet (10) from hole in frame.
9.
Remove tube assembly (11) from frame. Remove grommet (10) from t ube assembly.
10.
Remove adapter (12) from air filter (13).
11.
Remove elbow (9) from emergency relay valve (4).
12.
Repeat steps 2 through 11 for other side of dolly.
13.
Disconnect tube assembly (6) from elbow (8) on pressure tank (7) and adapter (5) on emergency relay valve (4).
Remove tube assembly.
14.
Remove elbow (8) from pressure tank (7).
15.
Remove adapter (5) from emergency relay valve (4).
16.
Disconnect tube assembly (2) from elbow (26) on airbrake chamber (1) and adapter (3) on emergency relay
valve (4).
17
Remove nut (25), lockwasher (24), screw (22), and clamp (23) from frame. Remove tube assembly (2) from
frame. Remove clamp from tube assembly. Discard lockwasher.
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