TM 55-4920-428-13
5-27. Replacement of Filter Assembly.
a. (See fig. 6-5. ) Remove the panel from the case (para 5-22).
b. Disconnect two tubes from filter assembly (72).
c. Remove the four screws securing the filter assembly to the panel. Remove the filter.
d.
e.
NOTE
Record the positions of fittings.
Remove the contamination indicator, two reducers, and two elbows from the filter assembly.
Install the contamination indicator, two elbows, and two reducers in the mount. Use teflon tape
(item 3, table 5-2) as required.
f. Position the replacement filter assembly on the panel, inlet port near the solenoid valve. Install
four screws.
g. Connect the two tubes to the filter assembly.
h. Perform an operational check. (Ref para 5-18.)
i. Perform a proof pressure test. ( Ref para 5-44.)
j. Install the panel into the case. (Ref para 5-45.)
5-28. Replacement of High Pressure Regulator Valve.
a. (See fig. 6-5. ) Remove the panel from the case (para 5-22).
b. Disconnect the three tubes from regulator valve (81).
c. Remove the four screws which attach the regulator to the panel. Remove the regulator.
NOTE
Record the positions of fittings.
d. Remove two elbows and one reducer from the regulator. Install the fittings in the replacement
regulator. Use teflon tape (item 3, table 5-2) as required.
e. Position the regulator on the panel. Install the four screws.
f. Connect the three tubes to the regulator.
g. Perform an operation check. (Ref para 5-18.)
h. Perform the proof pressure test. (Ref para 5-44.)
i. Install the panel in the case. (Ref para 5-45. )
5-7
