TM 5-4310-385-13
INSPECTION.
a.
Inspect the cylinder head fittings (1) for cracks and secure attachment.
b.
Inspect the cylinder heads (2) and cylinders (3) for cracks and broken cooling fins. Notify intermediate direct
support if damaged.
c.
Inspect the crankcase (4) for cracks. Notify direct support if damaged.
d.
Inspect the air cleaner filter (13) and felt silencer(14) for dirt and debris. Clean with P-D-680 as necessary. If
distorted or damaged, replace.
REMOVAL.
WARNING
Disconnect main power and turn compressor unit off before performing
maintenance procedures.
a.
Turn the compressor power switch OFF.
b.
Open drain cock at bottom of tank to release air pressure. Close drain cock.
c.
Remove belt guard. Refer to paragraph 3-23.
d.
Remove V-belts. Refer to paragraph 3-24.
e.
Remove flywheel. Refer to paragraph 3-30.
f.
Remove oil drain cap (5) and drain oil into an appropriate container (at least 1 pint (.5 L) capacity). Replace oil
drain cap.
g.
Remove intercooler (6) at cylinder head fittings (1).
h.
Remove aftercooler (7) at cylinder head fitting (1) and check valve fitting (8).
i.
Remove mounting bolts, washers, and nuts (9) securing compressor to tank saddle.
j.
Lift compressor unit (10) off base.
INSTALLATION.
a.
Position compressor unit (10) on base.
b.
Install mounting bolts, washers, and nuts (9) to secure compressor to tank saddle.
c.
Install aftercooler (7) at cylinder head fitting (1) and check valve fitting (8).
d.
Install intercooler (6) at cylinder head fittings (1).
e.
Install flywheel. Refer to paragraph 3-30.
f.
Install V-belts. Refer to paragraph 3-24.
g.
Check belt tension and pulley alignment. Compressor should turn freely by hand. If not, refer to paragraph 3-24
for belt adjustment and paragraph 3-25 for pulley alignment.
h.
Install belt guard. Refer to paragraph 3-23.
i.
Remove oil filler plug (11) and add 10 oz. (.3 L) if oil has been drained. Check oil level in sight glass (12).
j.
Reconnect main power.
3-27
