Repair Centrifugal Pump Unit (Reduction Gear Cooling Water)

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ASSEMBLY

TM-55-1905-223-24-18-2 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part II Manual

FIGURE 3-98. Rotary Pump (Reduction Gear Cooling Water)

TM 55-1905-223-24-18-2

3-114. Repair Centrifugal Pump Unit (Reduction Gear Cooling Water). (Figure 3-98)

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

INITIAL SETUP

Tools

Equipment Condition

Tool kit, general mechanic's,

Centrigual pump unit removed as

specified in paragraph 2-110 .

Tool kit, electrician's,

Torque wrench, 5120-00-242-3264

(0-50 ft-lb)

Materials/Parts

Gasket P/N 2584

Rotary pump impeller P/N 1129

Shaft spring loaded seal assembly

P/N 1802

Machine key P/N 11A9

DISASSEMBLY

a. Remove two plugs (8).

b. Remove four hex head capscrews (14).

c. Remove casing (9).

d. Remove gasket (10).

e. Remove machine bolt (11) and flat washer (12).

f. Remove impeller (13) by unscrewing counterclockwise from shoulder shaft (3).

g. Remove shaft seal assembly (7).

h. Remove four hex head capscrews (5).

i. Remove support head (6) from motor (1).

j. Remove machine key (4).

k. Remove setscrew (2).