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 1080 of 1188

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

0121-4

DRAFT

0121

TFFT03739

WARNING

ICON 15

PTO solenoid operation is checked by listening to audible click and feeling for

vibrations at PTO solenoid when PTO switch is put to on position (WP 0004).

Do

not start engine during this procedure.

Failure to comply may result in serious

injury or death to personnel.

Step 4.

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

Remove PTO pump

(WP 0601).

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

Start vehicle

engine (TM 9-2320-347-10).

While an assistant puts GENERATOR PTO switch to on

position (WP 0004), check if hydraulic generator PTO drive rotates.

a.

If hydraulic generator PTO drive rotates, replace PTO pump

(WP 0601).

b.

If hydraulic generator PTO drive does not rotate, replace PTO

(WP 0600).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION