TM 1-1740-204-13&P
3-27.1. REMOVAL
a.
Using two wrenches, one at the whip hose fitting (1) and one at the hex of the inflating chuck (2), remove the
inflating chuck (2) from the hose fitting.
b.
Using an adjustable wrench to hold the body of the high pressure shutoff valve (3) and an open end wrench on
the end fitting of the whip hose (4), remove the whip hose.
c.
Remove the high pressure hose (5) by using an open end wrench on the end fitting.
3-27.2. WASHER INSPECTION AND REPLACEMENT (see inset illustration)
a.
Remove snap ring (6) with a small, flat blade screw driver. Lift the hex shell (7) off.
b.
Remove collet halves (8). Remove the threaded washer housing (9) that holds the washer (10) against the chuck
body (11).
c.
Inspect the washer (10) for nicks and wear. Replace the washer (10) if necessary.
d.
Reassemble by placing the washer (10) between the threaded washer housing (9) and the chuck body (11).
e.
Install the two collet halves (8). Slip the hex shell (7) over the collet halves (8) and secure with the snap ring (6).
3-27.3. INSTALLATION
a.
Using two wrenches, one at the whip hose fitting (1), one at the hex of the inflating chuck (2), mate the chuck
threads to the flare fitting and tighten the hose flare fitting.
b.
Using Teflon tape (D1) or sealant (D2), install the whip hose (4) to the high pressure shutoff valve (3).
c.
Using Teflon tape (D1) or sealant (D2), install the high pressure hose (5) to the high pressure shutoff valve (3).
d.
Install inflating chuck (2) to the whip hose fitting (1).
e.
Perform leak check and confidence test procedure per paragraph 2-8.
END OF TASK
3-40
