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 481 of 1188

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

0080-1

DRAFT

0080

FIELD LEVEL MAINTENANCE

WATER PUMP ENGINE PRESSURE GOVERNOR CONTROL PANEL CHANGES ENGINE SPEED, BUT

OSCILLATES WHILE IN RPM MODE

INITIAL SETUP:

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

WATER PUMP ENGINE PRESSURE GOVERNOR CONTROL PANEL CHANGES ENGINE SPEED, BUT

OSCILLATES WHILE IN RPM MODE

TFFT04434

Step 1.

Start water pump engine (WP 0022). Operate pump operator’s panel pressure

governor (WP 0024).

Check if water pump engine RPM oscillates when pump

operator’s panel pressure governor is operated in RPM mode.

If water pump engine does not oscillate when pump operator’s panel

pressure governor is operated in RPM mode, go to Step 5.

Tools and Special Tools

Lead Set, Test (WP 0622, Item 21)

Tool Kit, General Mechanic’s: Automotive

(WP 0622, Item 27)

Personnel Required

MOS 63B Wheeled vehicle mechanic (2)

References

WP 0007

WP 0022

WP 0024

WP 0226

WP 0309

References (continued)

WP 0311

WP 0325

WP 0332

WP 0455

WP 0459

WP 0499

WP 0539

WP 0540

Equipment Conditions

Engine OFF (TM 9-2320-347-10)

Wheels chocked (TM 9-2320-347-10)