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 TM 55-1905-223-24-2
k.
Gently slide the tube bundle (18) out of the casing.
Overview Although the cooler may not look complicated, it is very important to the function of the reduction
gear, and your inspection should be very thorough.
REPAIR
a. Inspect the tube surfaces for evidence of corrosion.
CAUTION
Do not use any rigid or hard material such as plastic or metal scrapers to clean the
tubes.
b. Remove any tube surface corrosion by wiping with shop cloth or paper towels.
c.
Inspect the tubes for obstructions. Clean and clear tubes using solvent and soft brush, or replace as required.
d. Inspect the interior of the casing for water mineral deposits or other corrosion. Clean, using solvent and soft brush,
or replace as required.
e. Inspect all parts and orifices for freedom from obstruction and clear passage for fluid flow. Clean, using solvent
and soft brush, or replace as required.
f.
Inspect all threaded parts for wear, thread damage, or other physical defects. Replace as required.
NOTE
Perform the steps in this paragraph annually, regardless of any other maintenance
requirements.
ASSEMBLY
a. Slide the tube bundle (18) into the casing (23), making sure the scribe marks on the bundle retainer and casing are
lined up.
b. Replace the plugs (10 and 21) into the casing (23).
c.
Replace the rear support ring (25) with gaskets (3, 4) installed.
d. Replace the cover (26).
2-26
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