Table 4-14. Waste Collection System - Commode

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Table 4-13. Milk Dispenser Troubleshooting (Continued).

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

Table 4-14. Waste Collection System - Commode - Troubleshooting (CONTINUED)

TM 55-1905-219-14-8

4-5. GENERAL (Continued).

Table 4-14. Waste Collection System - Commode - Troubleshooting

NOTE

Refer to paragraph 4-15 for maintenance instructions.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Improper volume of flush water and/or inadequate bowl rinsing.

Operate and observe flush water volume and bowl rinsing.

Check that main water supply valve is open and that the water supply pressure is 30

psig (206.8 kPa) minimum.

Disassemble and clean mineral deposits from flush valve.

Adjust valve flush volume to 1 pint (.473 liter) by removing cap at top of valve and

using screwdriver in slot of float rod; clockwise rotation reduces flow,

counterclockwise rotation increases flow.

Clean out orifices in flush pipe (located under bowl ring) with small wire.

2. Leakage of flapper valve.

Observe level of flush water to determine leakage.

Clean bowl, rubber stopper, and support cup with soft bristle brush.

Check and adjust pedal linkage and spring force.

Adjust and tighten rubber stopper, if possible, without removing commode.

Remove commode and adjust or replace rubber stopper check for leakage before

replacing commode.

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