Repair Double Gear Pump Assembly

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FIGURE 3-7. Lube Oil Purifier

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

FIGURE 3-8. Double Gear Pump Assembly

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

3-15. Repair Double Gear Pump Assembly. (Figure 3-8)

This task covers:

a. Disassembly

b. Repair

c. Assembly

INITIAL SETUP :

Tools

Equipment Condition

Tool kit, general mechanic's,

Double gear pump assembly removed as

specified in paragraph 2-19 .

Materials/Parts

Threaded pin P/N 0019-3973-060

Sleeve P/N 2125-1074-000

Driver P/N 2125-3438-000

Retaining ring P/N 354

Gasket P/N 8054-9125-010

Shaft and gear set P/N 8054-9415-070

Gasket P/N 0007-1792-550

Gasket P/N 376

Relief valve spindle P/N 375

Cylindrical spring P/N 374

Relief valve piston P/N 373

DISASSEMBLY

a. Slide sleeve (2) off shaft and gear set (22).

b. Remove threaded pin (1).

c. Remove driver (3) from slotted end of shaft and gear set.

d. Remove retaining ring (4) and sealing ring (5).

e. Remove four machine screws (20) and separate both gear housings (21 and 24) from driver cover (6).

f. Separate both gear housings.

g. Remove gaskets (23) and (25).

h. Remove shaft and gear set (22).

i. Remove six machine screws (8) securing relief valve housing (18) to gear housing (21).

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