TM 9-2330-390-14&P
4-73. REAR DOLLY AIR LINES REPLACEMENT.
This Task Covers:
a.
Full Function Valve-to-Airbrake Chamber Hose
Assemblies Replacement
b.
Full Function Valve-to-Relay Valve Tube
Assembly Replacement
c.
Full Function Valve-to-Parking Brake Valve Tube
Assembly Replacement
d.
Air-brake Valve-to-Air Reservoir Tube Assembly
Replacement
e.
Air-brake Valve-to-Tee Tube Assembly Replace-
ment
f.
Airbrake Valve-to-Parking Brake Valve Tube
Assembly Replacement
g.
Booster Relay Valve-to-Tee Tube Assembly
Replacement
h.
Booster Relay Valve-to-Right Side (Service)
Shutoff Valve Tube Assembly Replacement
i.
Left Side (Emergency) Shutoff Valve-to-Tee Tube
Assembly Replacement
j.
Relay Valve-to-Parking Brake Valve Tube
Assembly Replacement
k.
Relay Valve-to-Tee Tube Assembly Replacement
Initial Setup:
Equipment Conditions:
l Wheels chocked.
l Air reservoir drained (see paragraph 3-6).
Materials/Parts:
l Marker tags (Item 28, Appendix F)
l Antiseize tape (Item 29, Appendix F)
Tools/Test Equipment:
l General mechanic’s tool kit (Item 30, Appendix G)
NOTE
l All air lines should be tagged before removal. Refer to paragraph 4-18 for tagging
instructions.
l Before connection, male threads of fittings should be coated with antiseize tape if
not already factory-coated with an antiseize compound.
a.
FULL FUNCTION VALVE-TO-AIRBRAKE
CHAMBER HOSE ASSEMBLIES REPLACE-
MENT
DO NOT overtighten fittings at full function
valve or damage to full function valve will
occur.
1.
Disconnect hose assembly (1) from airbrake
chamber (3).
2.
Disconnect hose assembly (2) from airbrake
chamber (3).
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