138 Parts listNo. Part No. DescriptionDriving portion1-1 1P50155 Pump body1-2 TLA1616Z Bearing1-3 AC0687A0 Oil seal1-4 4P53051 Low pres, piston1-5 4P53052 High pres, piston1-6 UF-8.5-20 Spring1-7 4P50636 Copper packing1-8 4P52942 Blind plug1-9 MSWA12 Screw plug1-10 4P52943 Eccentric collar1-11 RNAF253517 Bearing1-12 NTB1629 Thrust bearing1-13 AS1629 Thrust washer1-14 φ4×30 Spring pin1-15 4P52944 Driving shaft1-16 G-16 G type ring1-17 Key1-18 2 Gear1-19 MUM-S8-1 Electric motor1-20 Carbon brush1-21 Screw cap1-22 4P52995 Rubber plug1-23 M6 Spring washer1-24 M6×15 Fitting bolt1-25 SCK2003R Metal plug socket1-26 M3×10 Screw1-27 OA-05 Cap cone1-28 M4 Spring washer1-29 M4×10 Fitting bolt1-30 MB700-040 Expander1-31 MB700-050 Expander1-32 PT1/16 Blind plug1-33 P-8 O ring1-34 4P53053 Return pipe1-35 UHP-16 Hole plug1-36 4P53055 Guide plate1-37 M5×10 Fitting bolt1-38 M5 Spring washerHL valve portion2-1 φ5 Steel ball2-2 WY5-10 Spring2-3 4P53854 Retainer2-4 φ7 Steel ball2-5 WF6-25 Spring2-6 4P53855 Retainer2-7 4P50636 Copper packing2-8 MSWA12 Blind plug2-9 PT1/8×PS1/4 L fitting2-10 4P50664 Filter2-11 φ5 Steel ball2-12 WY5-10 Spring2-13 4P53854 Retainer2-14 φ7 Steel ball2-15 WF6-25 Spring2-16 4P53855 Retainer2-17 4P50636 Copper packing2-18 MSWA12 Blind plug2-19 MB700-070 ExpanderUnloader portion3-1 φ1/4 Steel ball3-2 TB8-15 Spring3-3 4P52949 Adjusting screw3-4 M10 Lock nut3-5 SL-M5 Air filter3-6 4P53050 Push pin3-7 φ4×15.8 Needle roller3-8 P-4 O ring3-9 P-4 Back-up ring3-10 4P50636 Copper packing3-11 4P52951 Blind plug3-12 MSWA12 Blind screw3-13 USA-4-10 SpringRelief valve portion4-1 φ2.5 Steel ball4-2 4P51889 Ball receiver4-3 TB8-15 Spring4-4 4P51980 Spring pusher4-5 P-6 O ring