AP40 SERIES. AXIAL PISTON PUMPS Plant Location and Mailing Address Tower Oaks Blvd. Houston, TX SERVICE PARTS AP40 SERIES SINGLE PUMPS

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1 SERVICE PARTS AP40 SERIES SINGLE PUMPS AP40 SERIES AXIAL PISTON PUMPS Plant Location and Mailing Address Tower Oaks Blvd. Houston, TX Website: Phone: (281) or (800) Fax: (281)

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4 AP40 SERIES PARTS LIST STROKE SPACER: NONE NONE REQUIRED X716L 3.8 CUBIC INCHES X716A 3.5 CUBIC INCHES X716B 3.0 CUBIC INCHES X716C 2.7 CUBIC INCHES X716D 2.5 CUBIC INCHES X716H 1.6 CUBIC INCHES 1 VALVE PLATES: 2 B or S 12X35X7 CCW ROTATION 1 2 B or S 12X35X8 CW ROTATION 1 SHAFTS: 3 1 4X35X9 SAE B SPLINE X35X11 SAE C SPLINE X35X10 SAE C KEY X35X40 SAE BB SPLINE (Replaced 4X35X12) X35X13 SAE C SPLINE, SAE A REAR X35X16 SAE C KEY, SAE A REAR X35X14 SAE BB SPLINE, SAE A REAR X35X15 SAE B SPLINE, SAE A REAR , 18 4X35X17 SAE C SPLINE, SAE B or BB REAR , 20 4X35X19 SAE C KEY, SAE B or BB REAR X35X21 SAE B SPLINE, SAE B REAR ,19,21 826X201K COUPLING, SAE B SPLINE ,20 826X200 COUPLING, SAE BB SPLINE 1 3,6,19,20 A389X10 KEY (FOR SAE C SHAFT) 1 ADAPTERS: 4 B 2X35X2 SAE B 2 BOLT 1 4 C 2X35X1 SAE C 2/4 BOLT 1 CONSTRUCTION: X1119 POST, LONG DIFFERENTIAL, APPLY 242 LOC TITE TO 1 THREADS TORQUE TO 40 LB-FT X1155 POST, SHORT DIFFERENTIAL, APPLY 242 LOC TITE TO 1 THREADS TORQUE TO 40 LB-FT X1181 POST, TORQUE LIMITER, APPLY 242 LOC TITE TO THREADS 1 TORQUE TO 40 LB-FT X1185 POST, CCS, APPLY 242 LOC TITE TO THREADS TORQUE TO 40 1 LB-FT X1115 POST, FLOW LIMITER, APPLY 242 LOC TITE TO THREADS 1 TORQUE TO 40 LB-FT 5-2 1,3,4,5 751X30 PISTON, CONTROL X31 PISTON CONTROL FLOW LIMITER 1 CONTROLS: SEE CONTROL SHEETS AT THE END OF THIS PARTS LIST FOR SPECIFIC CONTROL DRAWING ITEM MODEL CODE PART NUMBER DESCRIPTION 6 A VR54X4 PRESSURE COMPENSATOR 1 6 B VR54X5 DUAL PRESSURE COMPENSATOR 1 6 C VR54X3 PRESSURE COMPENSATOR, LOAD SENSE 1 6 D VR54X6 REMOTE LOAD SENSE 1 6 M VR54X13 LOAD SENSE ADJUSTABLE 1 6 MM VR54X30 LOAD SENSE ADJUSTABLE 1 6 T VR54X35 TORQUE LIMITER, ADJUSTABLE LOAD SENSE 1 6 W VR54X29 TORQUE LIMITER, PRESSURE COMPENSATOR 1 NEW 2 SPOOL CONTROLS: 6 CAY VR54X27X21 2 SPOOL-ADJ. LOAD SENSE, ADJ 1 6 CAX VR54X27X20 2 SPOOL-ADJ. LOAD SENSE, ADJ W/ Internal Bleed 1

5 AP40 SERIES PARTS LIST COVERS: X35X14 CCW, REAR PORTS X35X15 CW, REAR PORTS X35X12 CCW, SIDE PORTS X35X13 CW, SIDE PORTS X35X16 CCW, SIDE PORTS, REAR SAE DRV X35X17 CW, SIDE PORTS, REAR SAE A DRV X35X40 CCW, SIDE PORTS, REAR SAE B DR X35X41 CW, SIDE PORTS, REAR SAE B DRV X35X46 CW, REAR PORT O-RING WITH MAX/MIN VOL STOPS X35X47 CCW, REAR PORT O-RING WITH MAX/MIN VOL STOPS X35X31 CW, SIDE PORT 4 BOLT FLANGE WITH ADJUSTABLE 1 MAX/MIN VOL STOPS X35X34 CCW, SIDE PORT 4 BOLT FLANGE WITH ADJUSTABLE 1 MAX/MIN VOL STOPS X1133 CAP A1035X11 O RING X35X20 PLATE, MTG SAE B DRIVE X256 GASKET, SAE B MOUNTING A122X5 SHCS, 5/16-18X1 TORQUE 15 LB-FT A1100X9 LOCKWASHER, HIGH COLLAR 5/ A1014X51 O RING X223 GASKET, SAE A MOUNTING ,3 M53X4 BEARING, COVER, PRESS FLUSH TO BELOW FACE M53X6 BEARING, COVER, PRESS FLUSH TO BELOW FACE A122X4 SHCS, 5/16-18X3/4 TORQUE 15 LB-FT A1107X42 O-RING SAE A A1107X45 O-RING SAE B ,6 A1035X7 O-RING ,6 514X1302 CAP ,6 M75X23 ADJUSTING SCREW MIN VOLUME ,6 M68X3 LOCKNUT SEALING ,6 A427X27 ACORN NUT ,6 M75X24 ADJUSTING SCREW MAX VOLUME ,6 830X786 SPACER 1 COMMON PARTS: 8-1 NA A515X35 RETAINING RING, SHAFT NA A907X67 SEAL, SHAFT, APPLY 271 LOC TITE TO O.D NA 830X712 SPACER, SHAFT SEAL NA A611X31 RETAINING RING, SHAFT THRUST NA 834X13 RACE, THRUST BEARING NA M53X3 BEARING, THRUST NA A105X32 CAPSCREW, 1/2-13X NA A253X11 PLAIN WASHER, 1/ NA A802X5 NUT, 1/2-13, TORQUE TO 80 LB-FT NA M53X5 BEARING, ADAPTER, PRESS FLUSH TO BELOW BOSS NA 834X11 WASHER, CAM NA 813X11 RACE, INNER, CAM NA M53X2K BEARING ASSEMBLY, CAM NA 834X12 BEARING, CAM THRUST NA 812X172 SPRING, TRUNNION NA 811X29 CAM NA 12X35X1 WEAR PLATE NA A743X5 PIN, ROLL, NOT USED ON ALL VERSIONS NA 751X24K PISTON ASSEMBLY NA 521X209 RETURN PLATE 1

6 AP40 SERIES PARTS LIST COMMON PARTS CONT D.: 8-21 NA 826X153 PIVOT, RETURN PLATE NA 810X121 PIN, PISTON RETURN NA 830X710 WASHER, BLOCK SPRING NA A501X803 SPRING, BLOCK NA A515X34 RING, RETAINING NA 24X35X2 BLOCK, CYLINDER NA A911X1 PIN, ROLL NA A911X3 PIN, ROLL NA A971X6 PLUG, CASE DRAIN NA A1035X6 O RING NA 1X35X2 HOUSING, NA 712X253 GASKET, COVER NA 712X248 GASKET, ADAPTER NA 416X177 SEAT, SPRING NA A501X806 SPRING, COUNTER BALANCE NA 751X25 PISTON, COUNTER BALANCE NA 514X1135 POST, COUNTER BALANCE, APPLY 242 LOC TITE TO 1 THREADS TORQUE TO 40 LB-FT 8-39 NA A1035X7 O RING 2 Kits: KIT NUMBER INCLUDES ITEMS/qty DESCRIPTION SKO /1, 8-33/1, 8-2/1, 8-30/2, 7-3/1, 8-39/2 SEAL KIT plus misc. control O-rings SKO /9, 8-26/1, 8-23/2, 8-24/1, 8-25/1, 8-17/1, 8-22/3, 8-21/1, 8-20/1 ROTATING GROUP SKO /2, 8-11/2, 8-14/2, 8-13/2 BEARING KIT, CAM SKO /1, 7-11/1(M53X4), 8-6/1, 8-4/2, 8-5/2 BEARING KIT, SHAFT SKO /9 PISTON SET of 9

7 AP40 SERIES PARTS LIST AP40 SERIES REWORK SPECIFICATIONS (inch units) WEAR PLATE: NOTE: SOME WEAR PLATES ARE CASE HARDENED AND MAY BE REFACED SEVERAL TIMES. OTHERS HAVE A VERY THIN HARD COAT AND MAY NOT BE REFACED. VALVE PLATE: THICKNESS BRONZE THICKNESS GROOVE DEPTH (STEEL SIDE) MIN MIN MIN NOTE: WATCH FOR CAVITATION CAUSED EROSION NEXT TO KIDNEYS AND HOLES THIS WILL NOT AFFECT PUMP PERFORMANCE BUT MAY INCREASE NOISE AND REDUCE LIFE. CAVITATION SHOULD NOT BE PRESENT AND THE CAUSE SHOULD BE ELIMINATED. PISTON ASSEMBLIES: SHOE FLANGE THICKNESS SHOE FACE RECESS SHOE TO PISTON END PLAY CYLINDER BLOCK: GROOVE DEPTH PISTON BORE DIAMETER MAX MIN MAX SHAFT END PLAY: END PLAY IS NOT IMPORTANT AND MAY BE AS MUCH AS BEARINGS: INSPECT FOR GALLING AND OR PITTING, IF PRESENT REPLACE. INSPECT CAM BEARING INNER RACE FOR ROLLER IMPRESSIONS, REPLACE IF PRESENT. ADAPTER BEARING BORE COVER BEARING BORE ASSEMBLY TORQUE: ASSEMBLY BOLTS (4) CONTROL AND COUNTERBALANCE POST MAX MAX 80 LB-FT 40 LB-FT THESE SPECIFICATIONS ARE TO BE USED AS A GUIDE ONLY

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