Repair Lube Oil Cooler Group. (FIGURE 3-36)

TM 55-1905-223-24-4

3-21. Repair Lube Oil Cooler Group. (FIGURE 3-36)

This task covers: a. Disassembly, b. Repair, c. Assembly.

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's rail

Engine secured and tagged "Out of

and marine diesel engines,

Service" (TM 55-1905-223-10)

Oil drained.

Combination wrench set, metric

Lube oil cooler group removed (para.

10mm thru 24mm, 5120-01-046-4979

2-36).

Oil filter wrench P/N 3375049

Turbocharger oil supply line removed

Filter cutter P/N 3376579

Torque wrench kit P/N 3377216

Fluid filter element removed (para.

Pressure manometer

2-29).

Materials/Parts

Coolant, Item 4, Appendix C

Cleaning solvent, Item 20, Appendix C

Cooler core P/N 3904320

Gasket P/N 3904427

Bypass valve P/N 3902338

Warning tags, Item 21, Appendix C

Gasket P/N 3912638

Helical compression spring P/N 3903261

Detent plunger P/N 3909376

Detergent, Item 7, Appendix C

DISASSEMBLY

Remove capscrews (8) and remove fluid filter head (1).

Remove machine thread plug (9) flat washer (10) helical compression spring

(11) and detent plunger (12).

Remove bypass valve (4).

Remove gasket (5).

Remove cooler core (6).

Remove oil gasket (7).

3-48