Figure 3-7. Inlet filter, exploded view.
(2) Remove the remaining disc (3).
(condensate) into the receiver. Frequent inspection and
service is necessary.
b. Inspection and Cleaning.
Dry cleaning solvent, P-D-680, used to
(1) Inspect the receiver for excessive accu-
clean parts is potentially dangerous to
mulation of dust, and leaking or spilled compressor oil.
personnel and property. Do not use
(2) Check air lines and the service line for
near open flame or excessive heat.
leaking joints or damaged lines. Tighten loose fittings,
Flash point of solvent is 100 (38 C) -
replace a damaged line.
138 (59 ).
(3) Use brushes or vacuum to dust off the re-
(3) Wash inside of filter body (2) and wipe dry.
ceiver and all components mounted thereon. Wipe off all
Wash pads (4) and disc (3), dry with low pressure (25 psi)
oil spots, then dry, to avoid further accumulations.
c. Draining Condensate from Air Receiver.
(4) Inspect pads for excessive wear or loss of
(1) Turn ON-OFF switch to OFF.
capacity to retain dust and dirt. Replace defective pads.
(2) Open draincock at bottom of the air re-
(5) Position one disc (3) in body (2), then stack
the four pads (4) in body. Secure pads in body with the
(3) When air has escaped, leave draincock
remaining disc (3).
open for a few minutes for more of the condensate to es-
(4) Close draincock.
a. General. The air rec.-i7er stores compressed air
(5) Be sure that all cloths, tools, etc., have
at a pressure between 175 and 200 psi. Compressed air,
been removed from the air receiver, then move ON-OFF
moving from first stage to second stage of the compres-
switch to ON.
sor through the intercooler tube, then through the after-
cooler tube to the air receiver, carries moisture