TM-5-4210-249-13-P-1

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 1 OF 4

TM-5-4210-249-13-P-1 - Page 1117 of 1188

TM 5-4210-249-13&P-1

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DRAFT

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END OF TASK

FOLLOW-ON MAINTENANCE

1.

Perform post operations procedures (WP 0041)

2.

Remove Blow-out Adapter (if installed) (WP 0044)

3.

Remove wheel chocks (TM 9-2320-347-10)

END OF TASK

END OF WORK PACKAGE

TFFT03975

Step 3.

Stop water pump engine (WP 0022).

Install discharge and intake caps on

vehicle (WP 0004).

Install blow-out adapter on PASSENGER SIDE AUX.

INLET (WP 0044).

Apply 50 psi (345 kPa) shop air to PASSENGER SIDE AUX. INLET.

Push PASSENGER SIDE AUX. INLET button to OPEN position (WP 0004).

Push NO.

1 DRIVER SIDE DISCHARGE PRESSURE button (WP 0004).

Check if pressure

indicated at NO. 1 DRIVER SIDE DISCHARGE is equal to value indicated at pump

operator’s panel PUMP DISCHARGE gauge.

a.

If NO. 1 DRIVER SIDE DISCHARGE value is equal to PUMP

DISCHARGE gauge, replace water pump (WP 0255).

b.

If NO. 1 DRIVER SIDE DISCHARGE value is not equal to PUMP

DISCHARGE gauge, troubleshoot Digital Pressure Gauge(s) Does Not

Operate (WP 0127).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION