TM 9-2320-279-20-3M978 Tanker Maintenance Instructions (Cont)25-3. 2500 GALLON TANK/DRAIN (CONT). ll25-8(4)(5)(6)Remove plug (5) from filter-separator cover (6).Pull out on V6FUEL/DEFUEL CONTROLVALVE handle (7).Remove HAV HANDACTUATED CONTROLVALVE (8) and hoses (9)from pump module.NOTEFilter-separator maycontain 20 to 30 gallons (75to 115 liters) of fuel.HAV HAND ACTUATEDCONTROL VALVE levermust be squeezed throughstep (25) for fuel to drain.(7) Squeeze and hold lever (10).(8) Open V15 DRAINVALVE (11).(9) Remove filter-separator elements (para 23-3).NOTEContinue with step (10) after fuel stops draining from primary pump andfilter-separator.(10) Close V15 DRAIN VALVE (11).(11) Push MC MANUAL CONTROL EM VALVE lever (1) full forward and down to CLOSE position.
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