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 908 of 1318

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

0081-2

DRAFT

0081

Change 1

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HWT3078

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Step 1.

Push battery disconnect switch to on position (WP 0007).

Open pump operator’s

panel cover (WP 0010).

Check if cab and pump operator’s panel WATER level

gauges illuminate (WP 0004).

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If cab and pump operator’s panel WATER level gauges do not illuminate,

troubleshoot Foam/Water Level Gauge(s) Does Not Illuminate (WP 0118).

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NOTE

Water tank needs to be full to properly test pump operator’s panel WATER tank level

gauge for this step.

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Step 2.

With water tank filled (WP 0015).

Check if pump operator’s panel WATER level gauge

reads full.

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If pump operator’s panel WATER level gauge does not read full, perform

Pump Operator’s Panel Water Level Gauge Calibration (WP 0212).

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NOTE

Drain water tank to properly test pump operator’s panel WATER level gauge for this step.

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Step 3.

With water tank drained (WP 0015), check if pump operator’s panel WATER level

gauge reads full.

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If pump operator’s panel WATER level gauge reads full, go to Step 21.

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Step 4.

Check if cab WATER level gauge 1/4 and 3/4 LEDs flash alternately.

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If cab WATER level gauge 1/4 and 3/4 LEDs flash alternately, go to

Step 17.

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Step 5.

Check if pump operator’s panel WATER level gauge E and F LEDs flash alternately.

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If pump operator’s panel WATER level gauge E and F LEDs flash

alternately, go to Step 7.

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION