TM-5-4210-249-13-P-2

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 2 OF 4

TM-5-4210-249-13-P-2 - Page 631 of 1452

TM 5-4210-249-13&P-2

0173-1

DRAFT

0173

FIELD LEVEL MAINTENANCE

INTERCOM AND HEADSETS DO NOT OPERATE PROPERLY

INITIAL SETUP:

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MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

INTERCOM AND HEADSETS DO NOT OPERATE PROPERLY

TFFT04659

Step 1.

Turn battery disconnect switch to ON position (WP 0007).

Push volume control knob to

on position.

Check if two-way radio display illuminates.

If two-way radio display does not illuminate, troubleshoot two-way radio

does not operate properly (WP 0170).

Step 2.

Check if at least one intercom volume indicator LEDs illuminate (WP 0004).

If volume indicator LEDs do not illuminate, go to Step 50.

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

TM 9-2320-325-14&P

TM 11-5820-890-10

WP 0004

WP 0007

WP 0170

WP 0311

References (continued)

WP 0394

WP 0395

WP 0422

WP 0428

WP 0430

WP 0445

WP 0454

WP 0462

Equipment Conditions

Water pump engine OFF (WP 0022)

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

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