Replace Impact Sprinkler. (FIGURE 2-10)

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

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

REPLACEMENT

TM 55-1905-223-24-11

2-15. Replace Impact Sprinkler. (FIGURE 2-10)

This task covers:

a. Removal

b. Replacement.

INITIAL SETUP:

Tools

Equipment Condition

Tool kit, general mechanic's,

System flushed with water

Electrical power OFF and tagged

to the unit

Materials/Parts

Screen assembly removed (paragraph

Pipe thread lubricant, teflon,

Impact sprinkler P/N 3500042-003

Warning tags, Item 10, Appendix C

WARNING

Toxic and flammable vapors are generated in the , sewage system. Provide

ventilation from outside source before removing treatment tank covers. Avoid

open flames and prolonged breathing of fumes.

REMOVAL

NOTE

The sprinkler head is located inside the treatment tank (1, FIGURE 2-10).

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

Disconnect the sprinkler coupling (2). Remove the sprinkler (1).

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