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 TM 55-1905-219-14-8
4-18.1. SEWAGE AIR PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTIONI
1.
Sewage
a. Motor
Inspect per paragraph
air pump
b. Oiling
1. Inspect for leaking.
system
2. Inspect for bent or
broken tubing.
3. Inspect for broken
sight glass.
4. Inspect for proper
oil level.
c. Inlet
1. Inspect for broken
filter
glass.
assembly
2. Inspect for dirty
or damaged filter
bag.
d. Pump
Inspect for noise
while running as this
is an indication of
damaged parts.
DISASSEMBLY
2. Oiling
a. Drain cock
Drain oil into a
Do not drain
system
(1)
suitable container.
oil into bilges.
b. Adapter (2)
Disconnect.
c. Connector
Disconnect.
(3)
d. Three auto-
Remove from pump body.
For repairs
matic oilers
refer to step 4.
(4, 5 and 6)
e. Union (7)
Loosen and separate.
f. Tank (8)
Unscrew and remove.
g. Pipe nipple
Remove.
If necessary.
(9)
4-686
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