Replace/Repair Lubricating Oil Cooler/Filter Group.

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FIGURE 2-22. Bolt-Tightening Sequence

TM-55-1905-223-24-5 Bowthruster Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 2-23. Lube Oil Cooler/Filter Group

TM 55-1905-223-24-5

2-30. Replace/Repair Lubricating Oil Cooler/Filter Group.

This task covers:

a. Removal

b. Repair

c. Replacement

INITIAL SETUP:

Tools

Equipment Condition

Tool kit, general mechanic's

Engine shut down and cooled to below

rail and marine diesel engines,

120 (50 ) (TM 55-1905-223-10).

Engine tagged, "Out of Service - Do Not

Combination wrench set,

Operate."

metric 10mm to 24mm,

Engine coolant drained (TM 55-1905-223-10).

5120-01-046-4979

Torque wrench kit P/N 3377216

Materials/Parts

Oil cooler assembly P/N 3003814

Gasket P/N 70089-1, 3008017, 3308958

Preformed packing P/N 3302630

Nonmetallic hose P/N 3051560

Fluid filter element P/N 313279

Engine oil, Item 26, Appendix C

Cleaning solvent, Item 5, Appendix C

Warning tag, Item 25, Appendix C

Vegetable oil, Item 27, Appendix C

Guide studs, oil cooler, Item 36,

REMOVAL

a. Remove turbocharger oil supply tube (4, FIGURE 2-23) and bypass filter return tube (13).

b. Loosen hose clamp (27) and remove nonmetallic hose (26) from flange to hose elbow (2).

c. Loosen hose clamp (25) and hose clamp (23) and remove transfer tube (24).

d. Loosen hose clamp (21) and remove nonmetallic hose (22) and hose clamps (23 and 21) from oil

cooler (9).

e. Remove six assembled washer screws (1) and remove flange to hose elbow (2) and gasket (3).

Discard gasket.

f. Using filter wrench, remove oil fluid filter element (20) by turning counterclockwise. Discard fluid filter

element.

2-93