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 849 of 1188

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

0109-11

DRAFT

0109

TFFT02697

Step 16.

Disconnect No. 1 driver side discharge flow sensor (WP 0390) and connect it directly to

NO. 1 DRIVER SIDE DISCHARGE valve control (removing flow sensor wire harness

from circuit).

While an assistant spins flow sensor paddle wheel, check if a flow reading

is displayed when the flow sensor paddle is spinning.

a.

If a flow reading is displayed when flow sensor paddle is spinning,

repair flow sensor wire harness if repairable (TM 9-2320-325-14&P), or

replace No. 1 driver side discharge flow sensor wire

harness (WP 0451).

b.

If a flow reading is not displayed when flow sensor paddle is spinning,

replace No. 1 driver side discharge flow sensor (WP 0390).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION