GEAR PUMP 4) Dr A B G Dr G 12 7 6 8,9 Dr 16 3 1 A B 5 10,11 G 14,15 2 4 13 Hydraulic circuit 470072GP01 1 Gear shaft 2 Drive gear 3 Cover(F) 4 Gear housing 5 Cover(R) 6 Block 7 Bushing 8 Seal 9 Back up seal 10 Retainer seal 11 Snap ring 12 Dowel pin 13 O-ring 14 Hexagon bolt 15 Washer 16 Relief valve 2-7 Port Port name Port size A Delivery port PF 1/2 B Suction port PF 1 G Gauge port PF 1/4 Dr Drain port PF 3/8