PM 340-04 Hydraulics Service Parts Guide Effective: October, 994 PAVC SERIES VARIABLE VOLUME PISTON PUMP Model PAVC 00 * * * *
3 34 4 9 3 4 5 6 3 4 7 4 0 FT.-LB. 8 39 SHAFT ASS Y (INCLUDES ITEM ) 40 (INCLUDES ITEM 3) 0 FT.-LB. 4 9 8 3 0 SECTION W-W NOTE:. PUMP SHOWN WITH INLET PORT OPTION (REAR PORT) 8 80 4 44 43 45 49 5 FT.-LB. DUAL SHAFT BEARING CONFIGURATION SHOWN (OPTION 9) INSTALLED DEPTH OF NEEDLE BEARING, (ITEM #8) BELOW PORT FACE OF HOUSING.040.060 SECTION W-W NOTE:. PUMP SHOWN WITH INLET PORT OPTION (TOP/BOTTOM PORTS). 47 48 46 40 FT.-LB. 55 0 FT.-LB.
6 5 70 FT.-LB. W.3.3 INSTALLED HEIGHT OF TRUNNION PIN (ITEM #0) INTO SWASHPLATE (ITEM #7) (INTERFERENCE FIT) X OUT 9 Y 0 W Y X MAXIMUM VOLUME STOP VARIATION - 56 5-30 FT.-LB. MAXIMUM VOLUME STOP VARIATION - 5 57 7 FT.-LB. 3
3 4 4 5 FT.-LB. 8 50 FT.-LB. 50 5 50 FT.-LB. ADJUSTABLE DIFFERENTIAL VARIATION - 4 NON-ADJ. DIFFERENTIAL VARIATION - 7 6 4 5 SECTION X-X POSITION CONTROL OPTION 3 4 A C 0X 0X 08X4 08X4 08X4 08X4 H 08X4 08X4 M 08X4 ME 0X 08X4 S 08X4 SE 0X 08X4 AM 0X 786635 CM 0X 786635 HM 08X4 4
7 70 5-0 FT.-LB. 3 50 IN.-LB. CONTROL OPTIONS, M, A AND AM SECTION Y-Y 7 70 5-0 FT.-LB. 3 50 IN.-LB. CONTROL OPTIONS H, C, HM AND CM SECTION Y-Y 73 70 5-0 FT.-LB. 3 50 IN.-LB. CONTROL OPTIONS S AND SE SECTION Y-Y 5
THRU-SHAFT PUMP OPTIONS VARIATION 6A PILOT DIAMETER:.000 SHAFT LENGTH:.00-.50 SHAFT:.500 X.5 KEY KIT PART NUMBER: 78785 VARIATION 6A4 PILOT DIAMETER: 3.50 SHAFT LENGTH:.5-.40 SHAFT: 9 TOOTH 6/3 PITCH KIT PART NUMBER: 78696 59 35 FT.-LB. IDLER SHAFT 6 VARIATION 6B & 6B PILOT DIAMETER: 4.000 SHAFT LENGTH:.6-.3 SHAFT (6B):.875 X.50 KEY SHAFT (6B):.000 X.50 KEY VARIATION 6B3 & 6B4 PILOT DIAMETER: 4.000 SHAFT LENGTH:.6-.3 SHAFT (6B3): 3 TOOTH 6/3 PITCH SHAFT (6B4): 5 TOOTH 6/3 PITCH KIT PART NUMBERS: 6B - 78697 6B - 78693 LOCK DIMENSION FOR COUPLING ON REAR PUMP 3.50 FOR PUMPS WITH SHAFT LENGTHS FROM.0 TO.3 3.00 FOR PUMPS WITH SHAFT LENGTHS FROM.60 TO.80 6 63 KIT PART NUMBERS: 6B3-787076 6B4-787077 35 FT.-LB. 64 65 35 FT.-LB. 6
VARIATION 6C PILOT DIAMETER: 5.000 SHAFT LENGTH:.80-.0 SHAFT:.50 X.3 KEY KIT PART NUMBER: 78698 VARIATION 6C3 PILOT DIAMETER: 5.000 SHAFT LENGTH:.80-.0 SHAFT: 4 TOOTH /4 PITCH KIT PART NUMBER: 787078 3.5 LOCK COUPLING ON SHAFT OF SECOND PUMP USING SET SCREWS AT THIS DIMENSION 35 FT.-LB. 35 FT.-LB. 68 67 NOTE:. IDLER SHAFT INSTALLED THROUGH FRONT OF PUMP. (REMOVE INPUT SHAFT, INSTALL IDLER, RE-INSTALL INPUT SHAFT.) 7
8 39 ASS Y INCLUDES BEARING 3 34 4 76 30 7 3 8 5 FT.-LB. 9 7 ADJUSTABLE DIFFERENTIAL VARIATION - 4 50 IN.-LB. 4 3 3 4 5 50 5 4 6 4 50 FT.-LB. NON-ADJUSTABLE DIFFERENTIAL VARIATION - 70 0 FT.-LB. 7 4 INCLUDES ITEM 3 40 3 3 9 8 O-RING 0 NOTES:. PUMP SHOWN IN CLOCKWISE ROTATION, CONTROL OPTION, AND REAR INLET PORT. FOR COUNTERCLOCKWISE ROTATION OUTLET PORT, CONTROL DRAIN AND PUMP CONTROLS WILL BE ON OPPOSITE SIDE.. SEAL KIT SK PAVC00 3. ROTATING GROUP KIT RRK PAVC00 R CW ROTATION L CCW ROTATION 8
0 FT.-LB. 4 5 70 FT.-LB. 6 0 FT.-LB. 4 55 0 9 7 6 5 9
ITEM PART NUMBER QTY DESCRIPTION 34 787549 SHAFT SEAL W 34 788043 SHAFT SEAL - VITON R L 4 4 786678 786680 PORT PLATE PORT PLATE P A V C 0 0 78680 9 PISTON ASSEMBLY 3 4 5 6 7 8 9 0 3 4 5 6 7 8 9 0 3 4 5 6 7 8 9 30 3 78740 BARREL 786804 BUSHING-BARREL 7874 786685 786684 786867 SPRING-BARREL BALL SEAT SLIPPER RETAINER SWASH PLATE 78687 SERVO PISTON 7874 786870 786966 80099 786865 787474 7866 08X4 0X94 0X303 8005 56X357 56X37 39X0 08X 3 6 SPRING-SERVO TRUNNION PIN 786568 BEARING - BALL TRUN. CAP ASSY. EYE BOLT SPRING-MODULATOR SPRING-UPSTROKE RETAINER-SPRING 787339 SPOOL & SLEEVE ASSY 786946 AIRBLEED ASSY. 6X08 JAM NUT 05N-9 O-RING 66N-9 O-RING 99X8 99X7 ROLL PIN ROLL PIN PLUG CAP SCREW CAP SCREW NAME PLATE SNAP RING SNAP RING DRIVE SCREW PLUG 3 56X39 SNAP RING O M I T 9 B C D B C D 39 39 39 39 80 8 3 4 4 43 44 45 46 47 48 49 R L R L 78759 X3 787593 787594 X45 787595 78763 X3 78757 787573 X45 787574 40 40 787558 787559 FRONT HOUSING ASSY FRONT HOUSING ASSY 40 787556 FRONT HOUSING ASSY 40 787557 FRONT HOUSING ASSY 786973 786974 78700 34N-7 786944 7870 8N-9 X9 X53 78740 787550 4 4 TRUNNION HOUSING TRUNNION HOUSING THRU-SHAFT PLUG O-RING COVER PLATE INLET COVER O-RING BOLT BOLT SHAFT-STRAIGHT ASSY KEY SHAFT SPLINE ASSY SHAFT-STRAIGHT ASSY KEY SHAFT-SPLINE ASSY SHAFT-STRAIGHT ASSY KEY SHAFT-SPLINE ASSY SHAFT-STRAIGHT ASSY KEY SHAFT-SPLINE ASSY IDLER SHAFT NEEDLE BEARING NOTE: VARIATION 5 NOT AVAILABLE WITH VARIATION 6 (THRU-SHAFT). 0
DESIGN SERIES ITEM PART NUMBER QTY DESCRIPTION 50 786949 NON-ADJ DIFF ASSY 4 5 786950 ADJ DIFF ASSY A C H M ME S SE AM CM HM ITEM PART NUMBER QTY DESCRIPTION 70 7 7 73 74 4 76 77 NITRILE SEALS 78695 786953 78695 786956 0X 08X4 786635 PRESS COMP. ASSY PLUG ASSY CONTROL ASSY SERVO CONTROL ASSY PIPE PLUG STRAIGHT PLUG ORIFICE PLUG ORIFICE FITTING REFER TO SECTION X-X & SECTION Y-Y FOR LOCATION & COMBINATION OF ABOVE COMPONENTS 6A 59 6A4 6B 6B 6B3 6B4 6C 6C3 6 6 63 64 65 67 68 NO THRU- SHAFT OPTION 78785 ADAPTER KIT AA 78696 78697 78693 787076 787077 78698 787078 ADAPTER KIT A ADAPTER KIT B ADAPTER KIT BB ADAPTER KIT B ADAPTER KIT BB ADAPTER KIT C ADAPTER KIT C 5 55 56 08X6 786954 57 786955 PLUG MAX VOL STOP - VAR MAX VOL STOP - VAR 5
Hydraulics Parker Hannifin Corporation Hydraulic Pump/Motor Division 745 Snapps Ferry Road Greeneville, TN 37745 USA Tel: (43) 639-85 Fax: (43) 787-48 Web site: www.parker.com/pumpmotor PM 340-04 /97 IGS Printed in USA