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 TM 9-2320-285-24-1
2-51.
AIR BRAKE SYSTEM MAINTENANCE (CONT)
a. Air Brake Lines and Fittings (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REPAIR
19
Tubing
a. Tubing
Cut
Between nut and sleeve
b. Nut
Remove
Slide from tubing
c. Insert
Remove, if
Pull from tubing only if
necessary
separated from fitting
d. Sleeve
Discard
NOTE
Repeat steps 19a thru 19d above to disassemble remaining fittings from tubing.
e. Tubing
Cut to proper
Use new tubing; use old
length
tubing to determine proper
length
f. Nut
Position
Slide onto tubing, threaded
end out
g. New sleeve
Position
Slide onto tubing
h. Insert
Install, if
Push into tubing only if
necessary
separated from fitting
WARNING
Tubing must be installed over insert for secure connection. Installation of fitting without insert will allow air
pressure to force tubing from fitting, resulting in dangerous loss of air pressure.
i. Tubing
Install
Push onto insert until seated
inside fitting
j. Nut
Tighten
Hand tight only; prevents
loss of sleeve before
installation
2-565
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