TM 1-1740-204-13&P
a.
Loosen flare nuts (1) and (2).
b.
Remove bolts (3), (4) and the tube clamp assemblies (5), (6). Remove the high pressure regulator assembly (7)
from booster panel (8).
c.
Remove gauges (9) and (10) from the regulator (11). Remove the subassembly (12) from the regulator (11).
The body of the regulator (11) may be clamped in a non-marring vise lengthwise to remove fittings.
d.
Remove retaining wire (13) from the regulator (11) T-handle as follows. Expand the eyelets of the retainer on the
T-handle with a pair of needle nose pliers so that the wire loop can be removed from the retainer; then slip the
retainer off the T-handle.
e.
Remove elbow (14) and fitting (15).
3-17.2. INSTALLATION
a.
Using Teflon tape (D1) or sealant (D2) for pipe threads, install subassembly (12), elbow (14) and fitting (15) onto
the body of the high pressure regulator (11).
b.
Expand the eyelets of the small loop retainer of retainer wire (13) with a pair of needle nose pliers. Place the
smaller loop retainer over the channel of the regulator (11) T-handle. Loop the wire loop over the eyelets of the
retainer; then close the eyelets with a pair of needle nose pliers.
c.
Slip one end of retaining wire (13) over the stem of gauge (9). Using Teflon tape (D1) or sealant (D2), assemble
gauges (9) and (10) to the body of the regulator (11).
d.
Secure the regulator assembly to the booster panel with tube clamps (5) and (6) and bolts (3) and (4) while
aligning the flare fittings at (1) and (2). Tighten the flare nuts (1) and (2).
e.
Perform leak check and confidence check procedure per paragraph 2-8.
END OF TASK
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