CLEANING - TM-55-1905-219-14-60590

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REMOVAL (Cont)

TM-55-1905-219-14-6 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

CLEANING-cont.

TM 55-1905-219-14-6

3-149. LUBE OIL COOLER - MAINTENANCE INSTRUCTIONS (Continued).

LOCATION

ITEM

ACTION

REMARKS

CLEANING

Cleaning solvent trichloroethylene, used to clean

parts, is potentially dangerous to personnel and

property. Use in the open, or a well-ventilated

room to prevent toxic fumes from building up.

Oil

1. Circulate a solution

Use a force

cooler

of trichloroethylene

pump to remove

(oil

through the core pas-

carbon and

side)

sages.

sludge.

2. Clean the oil cooler

core before the sludge

hardens.

3. Oil passages are

Circulate an

badly clogged.

Oakite or alka-

line solution

through the oil

cooler core.

Flush thorough-

ly with clean,

hot water.

Oil

1. Immerse oil cooler

Clean oil cool-

cooler

core (water side)

er (oil side)

(water

in the following

first.

side)

solution:

a. 1/2 lb. (0.227 kg)

Cleaning action

of oxalic acid to

evidenced by

each 2-1/2 gals.

bubbling and

(9.46 L) solution.

foaming.

b. Composition of 1/3

muriatic acid and

2/3 water.

3-2583