SERVICE - TM-55-1905-219-14-80620

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SEWAGE PUMP - MAINTENANCE INSTRUCTIONS.

TM-55-1905-219-14-8 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

REPAIR

TM 55-1905-219-14-8

4-16.2. SEWAGE PUMP - MAINTENANCE INSTRUCTIONS (Continued).

LOCATION

ITEM

ACTION

REMARKS

SERVICE

a. Volute

Remove pipe plug to

Do not drain

drain.

into bilges.

b. Auto-

matic

lubri -

cating

grease

cup

NOTE

The grease-lubricated mechanical seal applies grease to the seal from a spring-

loaded grease cup. When the plunger bottoms on the grease cup cap, the

grease cup must be refilled.

1. To fill -turn the

This raises the

cross arm clockwise.

plunger and

compresses a

spring.

2. Fill the cup using

Use a grease

the grease fitting

gun and Grease

at the top of the

type GAA.

plunger.

3. Fill until grease

comes out of relief

hole.

4. Grease cup can be

filled by hand by

removing the cap.

NOTE

Make sure cross arm is turned counter-clockwise until it is at the tip of the

threaded plunger. This applies spring pressure to the grease. This automatically

lubricates the seal.

4-632