Repair End Sediment Tank Cover Assembly. (FIGURE 2-6)

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Figure 2-5. Treatment Tank Cover Torque Sequence.

TM-55-1905-223-24-11 Marine Sanitation System for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

REPAIR

TM 55-1905-223-24-11

2-12. Repair End Sediment Tank Cover Assembly. (FIGURE 2-6)

This task covers:

a. Removal

b. Repair

c. Replacement.

INITIAL SETUP:

Tools

Equipment Condition

Tool kit, general mechanic's,

All commodes tagged "Out of Service,

Do Not Operate."

Torque wrench (in-lb)

5120-01-092-3278

Torque wrench (ft-lb)

5120-01-125-5190

Materials/Parts

Warning tags, Item 10, Appendix C

Crocus cloth (fine), Item 4,

Appendix C

End sediment tank cover assembly

P/N 3600025

Gasket P/N 300021

Disinfectant, Item 3, Appendix C

LOCATION

ITEM

ACTION

REMARKS

REMOVAL

a. Flush the system as follows:

(1) Operate the sanitary unit.

(2) While the unit is operating, flush the system with five flushes from a commode or commodes.

(3 Wait until the unit has stopped running.

b. Turn electrical power off and tag at the primary breaker to the unit.

c. Close the bleach metering valve.

d. Close the backwash water supply valve.

e. Close external sewage inlet and discharge valves (TM 55-1905-223-24-18).

f. Remove the hose clamps and disconnect the flexible coupling in the vent piping on the cover assembly

at point (3) in FIGURE 2-6.

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