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 823 of 1188

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

0108-3

DRAFT

0108

TFFT03852

NOTE

•

Valve operation can be checked by noting vibration of valve assembly or by observing

rotation of 7/16 in. hex at end of valve drive assembly worm gearshaft.

•

Do not remove hose from driver side pre-connect B connector.

Water may be released

from system when valve is operated.

Step 2.

Remove pump house panel G (WP 0540).

While an assistant pushes pump operator’s

panel DRIVER SIDE PRE-CONNECT B valve control OPEN and CLOSE

buttons (WP 0004), check if driver side pre-connect B valve operates to open and close

positions.

If driver side pre-connect B valve does not open and close, go to Step 9

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION