Figure 2-9. Screen Assembly (Inside Treatment Tank).

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Repair Screen Assembly. (FIGURE 2-9)

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

Replace Impact Sprinkler. (FIGURE 2-10)

TM 55-1905-223-24-11

REPAIR

Repair to the screen assembly is by replacement of the grommet fasteners, blind rivets, and wire fabric

screen. Refer to the removal and replacement steps in this procedure.

REPLACEMENT

a. Place a new screen (1, FIGURE 2-9) in position. Attach the screen around the edges with 12 new

nylon rivet and grommet fasteners (2 and 3).

b. Replace the treatment tank gasket and cover (paragraph 2-11).

c. Open the external sewage outlet and inlet valves, the backwashwater supply valve, and the bleach

metering valve.

d. Restore electrical power.

e. Operate the unit and check cover and gasket for leaks. Correct as necessary.

f. Clean any spills with disinfectant.

Figure 2-9. Screen Assembly (Inside Treatment Tank).

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