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 1084 of 1188

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

0121-8

DRAFT

0121

TFFT04325

WARNING

ICON 15

Do not start engine during this procedure.

Failure to comply may result in serious

injury or death to personnel.

Step 8.

Disconnect main wire harness PTO solenoid connector.

With a test lead set, check for

continuity across wire 2162 (white) from cab instrument panel wire harness PTO switch

connector, terminal 5 to main wire harness PTO solenoid connector, terminal B.

If there is no continuity, go to Step 10.

Step 9.

Check for continuity across wire 1100 (black) from main wire harness PTO solenoid

connector, terminal A to a known good ground.

a.

If there is continuity, replace generator PTO solenoid (WP 0602).

b.

If there is no continuity, repair wire 1100 in main wire harness if

repairable (TM 9-2320-325-14&P), or replace main wire

harness (WP 0455).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION