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 TM 55-1905-219-14-8
-4-7.5A. PRIMING PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
CLEANING
3. Priming
pump
Observe no smoking regulation. Avoid prolonged contact with, or inhalation of cleaning
solvents. Avoid use near heat or open flame and provide adequate ventilation.
Wear eye protection when using compressed air.
a. All internal
1. Clean with a general
parts
purpose cleaner.
2. Remove salt or
Use scale remov-
scale deposits.
ing compound
(sulphamic
acid (PS-120)).
3. Dry all internal
parts with filtered
compressed air and
wipe dry external
surfaces with clean
cloth.
b. Body
Blow out all passages,
hoses, and pipe fit-
tings with filtered
compressed air.
INSPECT ION
4.
a. Hoses
Inspect for cuts,
Replace hose if
chafing, and permanent
damaged or
set.
shows wear to
cause leaking
in priming
systems.
b. Threads
Inspect for nicks,
Replace all
burrs, and distortion.
parts that show
signs of wear
or damage.
4-338
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