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 TM 9-2320-269-34-1
CYLINDER BLOCK - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
CLEANING
WARNING
Be sure to wear safety goggles or lenses when using compressed air.
Compressed air and
particles moved by compressed air can cause damage to your eyes.
When pickling acid is used on metal, phosphine gas forms quickly. Phosphine gas is colorless,
poisonous, a fire hazard, and can explode. Do not smoke or use pickling acid near open flame.
Provide adequate ventilation, and do not breath vapors. Pickling acid can cause serious burns.
Wear a rubber apron, gloves, and safety goggles or lenses. If splashed in eyes or on skin, flush
with cool clean water, and refer to First Aid for Soldiers Manual FM 21-11.
Avoid contact with live steam. Live steam can burn skin, cause blindness, and cause other
serious injury. Safety goggles or lenses must be worn when using live steam. Eye injury can
occur if eye protection is not worn..
8.
Cylinder block (1)
a.
Using gasket scraper, scrape off all
gasket material.
b.
Attach hoist with cables.
c.
Immerse block (1) in hot bath of alka-
line solution.
d.
Using hoist, remove block (1) from
alkaline bath.
e.
Steam clean block (1) to remove alka-
line solution.
f.
Remove cables and hoist.
g.
Using compressed air, dry.
NOTE
If water jackets are not heavily scaled, proceed to step 21. If jackets are heavily scaled, do steps
8h thru 8m.
h. Attach hoist and cables to block (1).
i.
Agitate the block (1) in a bath of pickling
acid for approximately 30 minutes, or
until bubbling stops.
2-94
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