SECTION 2 STRUCTURE AND FUNCTION GROUP 1 PUMP DEVICE 1. STRUCTURE The pump device consists of main pump, regulator.
Pi1 Psv2 Pm1 Pm1 Pi1 2-1 a5 (a1) (a2) a1 a4 Psv1 PB Pi2 Qmin adjusting screw Qmax adjusting screw Qmin adjusting scre Regulator Regulator Psv1 Pm1 Pm2 a1 Pi2 (a1) Dr3 Dr1 PB Dr2 A1 A2 Dr4 (a2) a2 B1 Front pump Port block Rear pump 470072MP01 a4 Psv1 A1 a1 a2A2 Psv2 a5 Port Port name Port size Front Rear A1,A2 Delivery port SAE6000psi 1" B1 Suction port SAE2500psi 3" Dr1~Dr4 Drain port PF 3/4 - 23 Pm2 Pi1,Pi2 Pilot port PF 1/4 - 15 Pi2 Pm1,Pm2 Qmax cut port PF 1/4 - 15 Psv1, Psv2 Servo assist port PF 1/4 - 15 Engine a1, a2, a4, a5 Gauge port PF 1/4 - 15 Dr1,r2 B1 Dr3,r4 Pb Gauge port RC 1/8 ort Port name Port size ,A2 Delivery port SAE6000psi 1" 1 Suction port SAE2500psi 3" ~Dr4 Drain port ,Pi2 Pilot port PF 3/4 - 23 PF 1/4 - 15 ,Pm2 Qmax cut port PF 1/4 - 15 , Psv2 Servo assist port PF 1/4 - 15 , a4, a5 Gauge port PF 1/4 - 15 b Gauge port RC 1/8