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 129 of 1452

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

0131-9

DRAFT

0131

TFFT03556

Step 12.

Check for 22 to 28 VDC between wire 1821 (black) from POWERED EQUIPMENT

RACK indicator, terminal to a known good ground.

If 22 to 28 VDC are not present, repair wire 1821 in ladder rack control wire

harness if repairable (TM 9-2320-325-14&P) or replace ladder rack control

wire harness (WP 0449).

Step 13.

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

Check for continuity across

wire 2313 (black) from POWERED EQUIPMENT RACK indicator terminal to a known

good ground.

If there is continuity, replace POWERED EQUIPMENT RACK

indicator (WP 0389).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION