TM-9-2330-330-14-P

SEMITRAILER, FUEL TANKER: 5000-GALLON, FUEL-DISPENSING, AUTOMOTIVE, M969A3

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

NOVEMBER 2005

TM-9-2330-330-14-P - Page 768 of 1116

TM 9-2330-330-14&P

0168 00-16

VAPOR INTEGRITY TEST—Continued

0168 00

7.

If tank is overpressurized, close control shutoff valve (13) and open draincock valve (20) to

reduce tank pressure. When tank pressure has dropped to 6.0 in. ± 0.5 in. wc, close draincock

valve (23).

8.

Wait an additional 5 minutes, then record the time and final vacuum from gage (35).

9.

If vacuum does not drop on gage (35), tank is leak free. If pressure drops more than 0.5 in. wc,

reevacuate tank and piping system according to steps 3 thru 5 then continue with step 8.