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 101 of 1188

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

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TFFT00673P

Figure 23. Rear Compartment Test Switch Panel.

Key

Fig. 23

Control or Indicator

Function

1

DIESEL HEATER

DIAGNOSTICS Switch

Push and hold 1/2 to 5 seconds to get a diagnostic flash code.

2

DIESEL HEATER

DIAGNOSTICS Indicator Light

Illuminates with a diagnostic flash code.

3

TANK HEATER TEST SWITCH

Push and hold to check that tank heaters are working properly.

4

REAR TANK HEATER Indicator

Light

Illuminates when rear tank heater is working properly.

5

FRONT TANK HEATER Indicator

Light

Illuminates when front tank heater is working properly.