FILLING .SYSTEM FROM OUTSIDE  CONNECTION  Fill each tank in •  succession according  to desired fuel load  and. fuel distrJ.bution.  Truck  pump  should be  equipped with relief  valve.  Set for a max.  of 25 lbs. per sq. in.  If no relief valve is  available throttle down  ~~=-~  the flow by means of  main valve.  K-.3 thru K-10  FILLING SYSTEM THROUGH INSIDE  CONNECTION  Use transfer  pump  and  Filler Hose  K-.3 thru K-10  -72- Fig. XXVIII-b  Fig. XXVIII-a 