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 TM 55-1905-220-14-8
4-18.1. SEWAGE SYSTEM VACUUM PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
SERVICE
2.
Oil
a.
Vacuum pump
Turn off.
reservoir
b.
Oil filler
Remove.
cap
c.
Oil
Add oil.
1. Use oil type
OE/HDO-20.
2. Do not fill
above air
hole.
3. If oil
enters air
hole,
operate
pump for
several
minutes
before
replacing
cap. An
air lock
might
develop
stopping
oil flow to
pump.
d.
Oil filler
Replace and tighten.
cap
3.
a.
Jar
Empty and wipe clean.
b.
Filter
Clean with solvent and
let dry.
4.
Vacuum
a.
Jar
Clean with solvent.
filter
b.
Filter
Clean with solvent.
4-666
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