Repair Engine Cooling System Pump.

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Connect cooling system.

TM-55-1905-223-24-1 Main Propulsion Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 3-2. Shaft Removal From Pump.

TM 55-1905-220-24-1

3-13 Repair Engine Cooling System Pump.

This task covers:

a. Disassembly

b. Repair

c. Assembly

INITIAL SETUP

Tools

Equipment Conditions

Tool kit, general mechanic's, rail

Engine shutdown. TM 55-1905-223-10.

and marine diesel engine,

Engine cooling system pump removed,

5180-00-629-9783

para. 2-23.

Torque wrench kit P/N 3377216

Mechanical puller,

5120-00-595-9304

Mandrel P/N ST-1285

Bearing driver P/N 3375318

Arbor press 4920-00-373-9376

Water pump seal driver

P/N 3377260, 3375319

Hydraulic press P/N 2009-13

Machinist measuring tool set

5280-00-278-9919

Materials/Parts

Centrifugal impeller pump

P/N 3050454

Seal P/N 206198

Retaining ring P/N 206196

Retaining ring P/N 3175573

Annular ball bearing P/N S-16054

.Annular ball bearing P/N S-16069

Loctite 601, Item 10, Appendix C

Engine lube oil, Item 2, Appendix C

Loctite 290, Item 12, Appendix C

DISASSEMBLY

CAUTION

The puller screw must pass easily through the impeller bore to

prevent damage.

a. Install mechanical puller on centrifugal pump impeller (11, FIG. 3-1).

Remove impeller (11).

b. Remove retaining ring (3) from groove located in drive port of pump housing

(12).

3-14