TM-9-2320-328-13-P-1

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3

MARCH 2009

TM-9-2320-328-13-P-1 - Page 387 of 1318

TM 9-2320-328-13&P-1

0057-7

DRAFT

0057

Change 1

.

HWT0349

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Step 10.

Close foam tank drain valve and install cap (WP 0022).

Close foam system service

valve (WP 0004).

Remove hose reel (WP 0247).

Position suitable drain pan under

foam system strainer.

Remove plug and strainer screen from foam system strainer

(WP 0183).

Check if foam system strainer screen is free from clogs and damage.

.

If foam system strainer is clogged or damaged, clean or replace strainer

screen (WP 0183).

.

Step 11.

Install foam system strainer screen and plug (WP 0183).

Remove foam system inlet

check valve (WP 0180).

Check if foam system inlet check valve is free from blockage

and damage.

.

If foam system inlet check valve is blocked or damaged, remove blockage or

replace foam system inlet check valve (WP 0180).

.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION