Parker P1/PD 018, Service Information

Page 1: ...P1 PD Series B Mod Service Information Medium Pressure Axial Piston Pumps Bulletin HY28 2708 02 SVC EN Effective July 2019 Replaces March 29 2019 ...

Page 2: ...loded View 17 C0 to L0 B mod Conversion Guide 18 C0 to L2 B mod Conversion Guide 19 C0 to AM B mod Conversion Guide 20 L0 L2 to C0 B mod Conversion Guide 21 L0 to L2 B mod Conversion Guide 22 L2 to L0 B mod Conversion Guide 23 L0 to AM B mod Conversion Guide 24 L2 to AM B mod Conversion Guide 25 AM to C0 B mod Conversion Guide 26 AM to L0 B mod Conversion Guide 27 AM to L2 B mod Conversion Guide 2...

Page 3: ...r two exceptions Both exceptions are on the 45 60cc pumps One exception is when the load sense L or remote compensator AM is used in combination with the torque limiting control ALT or AMT The ALT or AMT on the 45 60cc pumps is still the A mod design series The other exception is if the Universal U configuration model code option is selected with the 45 or 60cc pump On those two displacements the ...

Page 4: ... pattern size remains the same No change to housing casting required Standard NG6 D03 Pattern Custom Control Pad Pattern Pressure Limiter C00 C10 Left Pressure sense L00 L20 Left Pilot operated pressure limiter AM Left Pressure Limiter C00 C10 Right Pressure sense L00 L20 Right Pilot operated pressure limiter AM Right All in one compensator C00 C00 replaces C10 L00 L20 AM Left and Right Tank Tank ...

Page 5: ...ree flow through the pump An undersize inlet line will prevent the pump from operating properly at full rated speed An undersize outlet line will cause back pressure and cause heat generation and increased noise Flexible hose lines are recommended If rigid piping is used the workmanship must be accurate to eliminate strain on the pump port block or to the fluid connections Sharp bends in the lines...

Page 6: ...28 1 71 45 2 75 60 3 66 75 4 58 85 5 19 100 6 01 140 8 54 Outlet Pressure Continuous 280 bar 4060 psi 250 bar 3600 psi 280 bar 4060 psi Intermittent 320 bar 4640 psi 300 bar 4350 psi 320 bar 4640 psi Peak 350 bar 5075 psi 320 bar 4600 psi 350 bar 5075 psi P1 Maximum Speed 1 3 bar abs inlet rpm 3500 3400 3100 2800 2700 2700 2500 2400 P1 1 0 bar abs inlet rpm 3300 3200 2800 2500 2400 2400 2250 2100 ...

Page 7: ...d View Item 18 28 Torque Torque 2 52 ft lbs 52 ft lbs 3 45 ft lbs 45 ft lbs 5 6 ft lbs 6 ft lbs 6 25 in lbs 25 in lbs 16 12 in lbs 70 in lbs 19 45 ft lbs 45 ft lbs 30 30 in lbs 30 in lbs 34 70 in lbs 70 in lbs 36 16 ft lbs 45 ft lbs 37 14 ft lbs 14 ft lbs 38 70 in lbs 70 in lbs Clockwise Rotation Shown 3 6 5 16 20 29 30 35 34 22 23 14 15 8 39 13 11 1 2 19 7 17 36 12 27 38 41 37 26 25 24 21 40 36 3...

Page 8: ...B mod Service Information 8 045 B mod Pump Exploded View Item 45 Torque 1 63 ft lbs 2 45 ft lbs 5 6 ft lbs 6 25 in lbs 11 105 ft lbs 14 105 ft lbs 16 10 ft lbs 19 46 ft lbs 30 30 in lbs 34 70 in lbs 36 75 ft lbs 37 14 ft lbs Clockwise Rotation Shown 6 5 2 1 36 26 24 23 3 34 4 17 10 14 15 10 8 17 7 41 39 36 40 37 32 30 29 31 30 42 28 22 27 35 13 11 18 16 19 9 12 20 25 21 ...

Page 9: ...Retaining ring internal 21 1 787635 03E 94387 0 03E 94350 0 Barrel hold down spring 22 2 1 045 786996 03E 94388 0 03E 94351 0 Barrel hold down washer 23 1 03E 94717 0 03E 94375 0 03E 94338 0 Barrel 24 3 787000 03E 94386 0 03E 95903 0 Barrel hold down pin 25 1 787002 03E 94385 0 03E 96852 0 Spherical washer 26 1 786994 03E 97011 0 03E 96988 0 Retainer plate 27 9 789641 S2E 18415 0 S2E 18413 0 Pisto...

Page 10: ...0 75 85 100 140 Torque Measured in ft lbs 1 100 100 170 205 2 45 45 45 45 5 6 6 6 6 6 2 1 2 1 2 1 2 1 11 105 105 136 170 14 105 105 136 170 30 2 8 2 8 2 8 2 8 34 5 8 5 8 5 8 5 8 36 75 85 85 135 37 14 14 14 14 Counter clockwise Rotation Shown 060 075 085 100 140 B mod Pump Exploded View 14 10 9 15 3 6 7 12 13 11 16 1 2 4 18 19 17 5 10 8 20 22 23 26 25 24 21 27 35 36 39 40 28 29 31 30 37 41 32 33 34...

Page 11: ...CLUDED IN ITEM 18 Tapered roller bearing cone 20 1 356 65152 0 356 65144 0 356 65144 0 356 65146 0 356 65147 0 Retaining ring internal 21 1 03E 94049 0 03E 93145 0 03E 93145 0 03E 93795 0 03E 93959 0 Barrel hold down spring 22 1 03E 94050 0 03E 93146 0 03E 93146 0 03E 93796 0 03E 93244 0 Barrel hold down washer 23 1 03E 94036 0 03E 93129 0 03E 95465 0 03E 95603 0 03E 93242 0 Barrel 24 3 03E 95904 ...

Page 12: ... Description 2 1 Plug with O ring no volume stop 54 1 Adjusting screw 55 1 Adjusting screw lock nut 56 1 Volume stop plug 57 1 Volume stop plug O ring 58 1 Backup ring 59 1 Volume stop rod O ring 60 1 Volume stop rod Min max rods same for the 45 thru 140 but different on the 18 28 See table below for kit part number NOTE Picture shows max volume stop location for counter clockwise rotation and min...

Page 13: ...274 0 03E 93947 0 695 00237 0 SAE A 11 Tooth S2E 19726 0 S2E 19391 0 03E 94943 0 03E 94724 0 03E 94724 0 03E 94657 0 03E 95706 0 695 00237 0 SAE B 13 Tooth S2E 19365 0 03E 94945 0 03E 93277 0 03E 93277 0 03E 94273 0 03E 93946 0 695 00243 0 SAE BB 15 Tooth S2E 19409 0 03E 94361 0 03E 93279 0 03E 93279 0 03E 94272 0 03E 93945 0 695 00243 0 SAE C 14 Tooth 03E 93276 0 03E 93276 0 03E 94271 0 03E 93944...

Page 14: ...uter cap 10 1 340 00063 0 Pmax adjustment lock nut 11 1 361 08275 0 Pmax M6x22 adjustment screw 12 4 361 07253 8 M5 x 45 SHCS 13 3 108X2V SAE Boss Plug O ring 14 5 Available in kit only Compensator teflon O ring 15 1 325 36001 0 Compensator M4 x 10 roll pin 16 1 226X56 M6 x 6 set screw 17 1 226X26 M4 x 5 set screw 18 1 108X4V Boss plug O ring SAE 19 1 108X8V Boss plug O ring 31 1 Not sold separate...

Page 15: ...63 0 Pmax adjustment lock nut 11 1 361 08275 0 Pmax M6x22 adjustment screw 12 4 361 07253 8 M5 x 45 SHCS 13 3 108X2V SAE Boss Plug O ring 14 5 Available in kit only Compensator teflon O ring 15 1 325 36001 0 Compensator M4 x 10 roll pin 16 1 226X56 M6 x 6 set screw 20 1 03E 95926 0 Differential spool 21 1 Available in kit only Differential inner spring guide 22 1 Available in kit only Differential...

Page 16: ... orifice 20 1 03E 95926 0 Differential spool 21 1 Available in kit only Differential inner spring guide 22 1 Available in kit only Differential inner spring 23 1 Available in kit only Differential outer spring 24 1 Available in kit only Differential outer spring guide 25 1 Available in kit only Differential inner spring guide O ring 26 1 Available in kit only Differential inner spring guide O ring...

Page 17: ...6 set screw 20 1 03E 95860 0 Differential spool 21 1 Available in kit only Differential inner spring guide 22 1 Available in kit only Differential inner spring 23 1 Available in kit only Differential outer spring 24 1 Available in kit only Differential outer spring guide 25 1 Available in kit only Differential inner spring guide O ring 26 1 Available in kit only Differential inner spring guide O r...

Page 18: ...s plug O ring SAE 19 Boss plug O ring Add Kit 1 S2E 20463 5K Item Description 21 Differential inner spring guide 22 Differential inner spring 23 Differential outer spring 24 Differential outer spring guide 25 Differential inner spring guide O ring 26 Differential inner spring guide O ring 27 Differential main O ring 28 Differential outer plug 29 Differential adjustment lock nut 30 Differential adj...

Page 19: ...g SAE 19 Boss plug O ring Add Kit 1 S2E 20463 5K Item Description 21 Differential inner spring guide 22 Differential inner spring 23 Differential outer spring 24 Differential outer spring guide 25 Differential inner spring guide O ring 26 Differential inner spring guide O ring 27 Differential main O ring 28 Differential outer plug 29 Differential adjustment lock nut 30 Differential adjustment scre...

Page 20: ...18 Boss plug O ring SAE 19 Boss plug O ring Add Kit 1 S2E 20463 5K Item Description 21 Differential inner spring guide 22 Differential inner spring 23 Differential outer spring 24 Differential outer spring guide 25 Differential inner spring guide O ring 26 Differential inner spring guide O ring 27 Differential main O ring 28 Differential outer plug 29 Differential adjustment lock nut Kit 2 S2E 204...

Page 21: ...nse differential spool 21 Differential inner spring guide 22 Differential inner spring 23 Differential outer spring 24 Differential outer spring guide 25 Differential inner spring guide O ring 26 Differential inner spring guide O ring 27 Differential main O ring 28 Differential outer plug 29 Differential adjustment lock nut 30 Differential adjustment screw Add Kit 3 S2E 20465 5K Item Description 1...

Page 22: ...Y28 2708 02 SVC EN July 2019 Medium Pressure Axial Piston Pumps P1 PD B mod Service Information 22 L0 to L2 B mod Conversion Guide X B BG D3 D2 D1 A X B BG D3 D2 D1 A L0 L2 16 16 Remove Item Description 16 M6 x 6 set screw Add Kit 4 S2E 20466 5K Item Description 16 M6 x 6 set screw with 0 4mm orifice ...

Page 23: ...Y28 2708 02 SVC EN July 2019 Medium Pressure Axial Piston Pumps P1 PD B mod Service Information 23 L2 to L0 B mod Conversion Guide X B BG D3 D2 D1 A X B BG D3 D2 D1 A L2 L0 16 16 Remove Item Description 16 M6 x 6 set screw with 0 4mm orifice Add Kit 2 S2E 20464 0K Item Description 16 M6 x 6 set screw ...

Page 24: ...um Pressure Axial Piston Pumps P1 PD B mod Service Information 24 L0 to AM B mod Conversion Guide X B BG D3 D2 D1 A X B BG D3 D2 D1 A L0 AM 2 20 20 Remove Item Description 2 M5 x 6 set screw 20 Load sense differential spool Add Kit 2 S2E 20464 0K Item Description 2 M5 x 6 set screw with 0 8mm orifice 20 AM remote differential spool 2 ...

Page 25: ... PD B mod Service Information 25 L2 to AM B mod Conversion Guide 16 16 X B BG D3 D2 D1 A X B BG D3 D2 D1 A L2 Remove Item Description 2 M5 x 6 set screw 16 M6 x 6 set screw with 0 4mm orifice 20 Load sense differential spool Add Kit 2 S2E 20464 0K Item Description 2 M5 x 6 set screw with 0 8mm orifice 16 M6 x 6 set screw 20 AM remote differential spool AM 2 2 20 20 ...

Page 26: ...ial inner spring guide 22 Differential inner spring 23 Differential outer spring 24 Differential outer spring guide 25 Differential inner spring guide O ring 26 Differential inner spring guide O ring 27 Differential main O ring 28 Differential outer plug 29 Differential adjustment lock nut 30 Differential adjustment screw Add Kit 3 S2E 20465 5K Item Description 2 M5 x 6 set screw 17 M4 x 5 set scr...

Page 27: ...um Pressure Axial Piston Pumps P1 PD B mod Service Information 27 AM to L0 B mod Conversion Guide X B BG D3 D2 D1 A X B BG D3 D2 D1 A AM 2 20 20 Remove Item Description 2 M5 x 6 set screw with 0 8mm orifice 20 AM remote differential spool Add Kit 4 S2E 20466 5K Item Description 2 M5 x 6 set screw 20 Load sense differential spool L0 2 ...

Page 28: ... PD B mod Service Information 28 X B BG D3 D2 D1 A AM L2 2 16 16 20 20 X B BG D3 D2 D1 A Remove Item Description 2 M5 x 6 set screw with 0 8mm orifice 16 M6 x 6 set screw 20 AM remote differential spool Add Kit 4 S2E 20466 5K Item Description 2 M5 x 6 set screw 16 M6 x 6 set screw with 0 4mm orifice 20 Load sense differential spool AM to L2 B mod Conversion Guide 2 ...

Page 29: ...iter sleeve 67 1 Compression spring 68 1 Adjustment screw O ring ARP 111 69 1 Torque limiter screw 70 1 Torque limiter spring 71 1 Torque limiter guide 72 1 Torque limiter spool 73 1 Torque limiter spool retaining ring 74 1 Torque limiter adjustment nut 75 2 Retaining rings 76 2 O ring ARP 904 77 1 SAE 10 24 set screw with 032 orifice 78 1 SAE 4 tee with 10 24 ORF thread 79 1 Torque limiter tubing...

Page 30: ...3 13 14 15 8 C0 Pressure Compensator Control with Unloading Valve L0 Load Sense Control with Unloading Valve 6 Electronic Unload Control B mod Exploded View Item Torque 5 11 ft lbs 6 40 in lbs 8 6 ft lbs 9 22 ft lbs 10 5 ft lbs 18 85 ft lbs 20 70 in lbs 28 50 ft lbs 29 50 ft lbs Control Assembly Part Numbers C03 S2E 20764 5T C06 S2E 20765 5T L03 SAE S2E 20756 5T L03 BSPP S2E 20757 5T L03 Metric S2...

Page 31: ... 14 1 Available in kit only Available in kit only Pmax inner spring 15 1 Available in kit only Available in kit only Pmax outer spring guide 16 1 675 00009 0 675 00009 0 Pmax outer spring guide O ring ARP 009 17 1 695 00912 0 695 00912 0 Pmax plug O ring ARP 912 18 1 03E 93173 0 03E 93173 0 Pmax cap 19 2 311 50003 0 311 50003 0 Adjustment screw M6x25 20 2 340 00056 0 340 00056 0 Adjustment lock nu...

Page 32: ...9070 0K S2E 18701 0K S2E 18484 0K S2E 18488 0k S2E 18492 0K CCW Industrial PD w Ripple Chamber S2E 19208 0K S2E 19212 0K S2E 19127 0K Rotating Group Kit includes barrel s a pistons retainer washer pins and port plate Kit 1 S2E 20463 5K Item Description 21 Differential inner spring guide 22 Differential inner spring 23 Differential outer spring 24 Differential outer spring guide 25 Differential inn...

Page 33: ...one closer to the top of the controller body Remove the inner spring guide 21 and differential compensator spool 20 from the housing 4 To disassemble the Pmax cap 9 and outer spring guide 6 assembly thread a long M6 screw through the hole of the Pmax cap to push the outer spring guide out of the cap 5 To disassemble the differential cap 28 and outer spring guide 24 assembly thread a long M6 screw ...

Page 34: ...he bottom of the compensator Install boss plug 19 in the differential spool bore Steps 10 15 apply to the L or AM compensators 10 Apply a light film of oil to the differential outer spring guide O rings 25 26 and install them on the differential outer spring guide 24 11 Apply a light film of oil to the differential cap O ring 27 and install it on the differential cap 28 12 Apply petroleum jelly to...

Page 35: ...emove these items from inside the pump if they remained in the pump when the port block was removed Remove and discard the white Teflon O rings 8 on the port block These seals should be replaced every time the pump is disassembled NOTE For rotation change do not disassemble further See Rotation Change Procedure 7 For the 60 140cc pumps remove the tapered roller bearing cone 18 and shims 17 A Pump ...

Page 36: ...d to Step 7 of the assembly procedure 9 Remove the cam 29 from the housing by tilting it and carefully extracting it from the pump housing See Figure 2 Pump Disassembly Procedure Continued Figure 2 Large Pocket Pressure Control Side of Pump 10 For sizes 60 140cc remove the front tapered roller bearing cone 32 If there is excessive wear or damage remove the tapered roller bearing cup 33 from the bo...

Page 37: ...ton shoes Any marks beyond light polishing indicate that replacement is necessary Check the surface of the spherical area of the retainer plate and the spherical guide washer 25 Inspect the back surface of the spherical guide washer where the load pins 24 make contact If there are excessive or uneven indentations the spherical guide washer 24 needs replaced 7 Examine the top and bottom surfaces of...

Page 38: ... end play 0 004 in 0 10 mm Min Shoe Flange Thickness 0 233 in 5 91 mm 075 085 5 98mm 03E 93151 0 5 57 in 141 5 mm 03E 93145 0 2 50 in 63 7 mm 03E 93129 0 S2E 17003 0 Max End Play 0 004 in 0 10 mm Min Shoe Flange Thickness 0 233 in 5 91 mm 100 6 48mm 03E 93801 0 6 87 in 174 6 mm 03E 93795 0 2 84 in 72 2 mm 03E 93783 0 S2E 17912 0 Max End Play 0 005 in 0 13 mm Min Shoe Flange Thickness 0 252 in 6 41...

Page 39: ...mp skip step 3 For the 18 and 28cc pumps turn the housing over Use installation tool T1 and press the shaft seal 39 in the seal bore Install the snap ring 40 into the groove in the housing seal bore 4 Install the cylindrical shaft bearing 32 onto the pump shaft 28 It is a slip fit for the 18 and 28cc pumps For the 45cc pump use tool T2 to install the shaft bearing onto the pump shaft 5 Install the...

Page 40: ...too soon and the guides will not be able to be fully torqued 13 Apply a light film of oil into the piston bores Lightly lubricate the spherical surface of the guide ball Install the nine pistons into the bores in the hold down plate Install the spherical guide ball into the hold down plate While holding the guide ball against the hold down plate install the pistons into the barrel 14 Install the l...

Page 41: ...ining up the slot on the port plate with the port plate locating pin 7 See Figure 7 15 Install the large O ring 4 into the groove on the port block 3 Install the three Teflon O rings 8 on the pressure communication ports on the port block 16 Install the control flow housing set screw 34 into the proper passage For proper location see Figure 12 in the rotation change section 17 Place the cam bearin...

Page 42: ...he barrel 23 Remove tool T6 as the barrel is slid onto the shaft This ensures all three barrel pins 24 are held in place as the rotating group is installed on the shaft 20 Carefully install the assembled port block 3 on the pump housing Press the port block to compress the bias spring 13 and install the four housing bolts 1 Tighten the bolts in a cross pattern to ensure that the port block does no...

Page 43: ...ring cone 32 and shaft 28 into the housing Tool T3 can be used to help protect the shaft seal from damage from the splines when installing the shaft Install the rear shaft bearing cone 19 on the shaft 6 Mount the port block 3 onto the housing 35 using the four socket head cap screws 1 and tighten to 20 ft lbs 1 ft lb 7 Position the pump so the shaft end is up and lay a parallel bar on the pump mou...

Page 44: ... 1354in 03E 93567 0 03E 94150 0 03E 93971 0 3 52 mm 139in 3 62 mm 142 in 3 52 mm 1386 in 03E 93568 0 03E 94151 0 03E 93972 0 3 63 mm 143 in 3 70 mm 145 in 3 60 mm 1417 in 03E 93569 0 03E 94152 0 03E 93973 0 3 71 mm 146 in 3 77 mm 148 in 3 68 mm 1449 in 03E 93570 0 03E 94153 0 03E 93974 0 3 78 mm 149 in 3 85 mm 151 in 3 76 mm 1480 in 03E 93571 0 03E 94154 0 03E 93975 0 3 86 mm 152 in 3 92 mm 154 in...

Page 45: ...guide bore 17 Install the control flow housing set screw 34 into the proper passage For proper location see Figure 12 in the rotation change section 18 Apply a light layer of petroleum jelly to the back surface of the port plate 9 and place it on the port block 3 lining up the slot on the port plate with the locating pin 7 See Figure 7 13 Apply a light film of oil into the piston bores Lightly lub...

Page 46: ...om surface of the cam must be on the same side as the three pressure communication holes on the main housing Cam assembly is not affected by pump rotation direction 22 Position the pump horizontally and install the rotating group into the pump housing over the pump shaft 28 and against the cam 29 23 Place the bearing shim 17 and port block bearing cone 19 on around the drive shaft 28 24 Carefully ...

Page 47: ...50 in 63 5 mm 2 230 in 56 6 mm 1 703 in 43 3 mm 0 550 in 14 0 mm 140 213 0 004199 3 375 in 85 7 mm 2 780 in 70 6 mm 2 10 in 53 4 mm 0 750 in 19 1 mm T1 Seal Installation Tool T2 Front Bearing Installation Tool 45 only 133 mm 5 250 in 31 2 mm 1 250 in DIA 1 5 mm x 45 TYP 06 in X 45 3 0 mm RADIUS 12 in 18 5 mm 0 728 in D 8 0 mm 0 3150 in A DIA B DIA C DIA U CUT 7 in T2 Front Bearing P1 PD45 Installa...

Page 48: ...4195 4 25 in 108 mm 2 25 in 57 1 mm 1 00 in 25 4 mm 10 1 373 in 34 90 mm 0 885 in 31 75 mm 100 SAE 213 0 004206 4 25 in 108 mm 2 78 in 70 6 mm 1 00 in 25 4 mm 10 1 703 in 43 26 mm 1 5 in 38 1 mm 100 ISO 213 0 004207 4 50 in 114 mm 3 00 in 76 2 mm 0 88 in 22 4 mm 15 1 703 in 43 26 mm 1 577 in 40 06 mm 140 SAE 213 0 004200 4 25 in 108 mm 2 78 in 70 6 mm 1 00 in 25 4 mm 10 2 088 in 53 04 mm 1 751 in ...

Page 49: ...5 140 213 0 004197 3 687 in 93 7 mm 3 515 in 89 3 mm 15 Pump Size A B C D E 018 0 795 in 20 2 mm 2 84 in 72 0 mm 0 756 in 19 2 mm 2 32 in 59 0 mm 1 18 in 30 0 mm 028 0 902 in 22 9 mm 2 95 in 75 0 mm 0 862 in 21 9 mm 2 44 in 62 0 mm 1 18 in 30 0 mm 045 1 059 in 26 9 mm 3 35 in 85 0 mm 1 020 in 25 9 mm 2 84 in 72 0 mm 1 30 in 33 0 mm 133 mm 5 250 in 31 2 mm DIA 1 250 in 25 4 mm 1 000 in A DIA B DIA ...

Page 50: ...formation 50 Pump Model Part No A B C 060 075 085 213 0 004193 2 120 in 53 8 mm 1 918 in 48 7 mm 12 100 213 0 004205 2 562 in 65 1 mm 2 335 in 59 3 mm 15 140 213 0 004198 2 80 in 71 1 mm 2 562 in 65 1 mm 15 133 mm 5 250 in 31 2 mm DIA 1 250 in 25 4 mm 1 000 in 1 5 mm x 45 TYP 06 X 45 3 0 mm RADIUS 0 12 in 6 4 mm 0 250 in A DIA B DIA C T8 Rear Bearing Cup Tool 60 thru 140 Assembly Tools ...

Page 51: ...ct the correct port plate Use Figure 7 to verify that you have the correct rotation port plate For the 18 28 45cc units that are side ported with no thru drive make sure you select the appro priate ripple chamber port plate because those units will have a ripple cham ber in the port block as designated by the R in the model code description 2 Next the port block control flow set screw 6 needs to b...

Page 52: ...f the control piston 15 and bias piston 12 and spring 13 need to be swapped 6 For the 45cc units and larger the bias guide 11 and control guide 14 are different so remove the guides control and bias pistons and bias spring and swap their locations by following Steps 14 15 of the 60 140cc assembly procedures NOTE The guides are located into the port block so it may be difficult to remove them witho...

Page 53: ... to minimum by turning the Pmax adjustment screw counter clockwise until the spring force is not felt For pumps with the L or AM controls turn the differential adjustment clockwise until it bottoms out and lock it into position 6 Set the maximum volume stop if applicable to full displacement If there is a minimum volume stop back that adjustment all the way out so that the pump can fully compensat...

Page 54: ...tlet pressure will be the stand by pressure 13 Use steps 13 15 for remote compensator pumps AM control option Close the load relief valve to deadhead the pump and adjust the remote relief valve so that the remote port gauge reads at least 300 500psi and the difference between the remote and outlet port gauges is greater than the desired differential pressure setting 14 Turn the differential screw ...

Page 55: ... Check reservoir for cleanliness Drain and clean as required Check fluid level and fill as required with filtered fluid to a minimum ISO cleanliness level of 20 18 14 Fill pump case with clean oil prior to starting If pump is mounted vertically with the shaft up bleed the air out the D1 drain port located near the mounting flange Check alignment of drive Check oil cooler and activate it if include...

Page 56: ...luid too heavy Shaft speed too high Inlet line too small Inlet strainer too small Inlet strainer too dirty Operating altitude too high Inlet pressure too low Misaligned shaft Faulty installation Distortion in mounting Axial interference Faulty coupling Excessive overhung loads Mechanical fault in pump Piston and shoe looseness or failure Bearing failure Incorrect port plate rotation Eroded or worn...

Page 57: ...ctiveness with chemical aging Improper repair Incorrect parts Incorrect procedures dimensions finishes Unwanted water in fluid Condensation Faulty breather strainer Heat exchanger leakage Faulty clean up practice Water in makeup fluid Heating of fluid Excessive pump leakage Recheck case drain flow and repair as required Fluid too thin Improper assembly port timing Relief valve Set too low compared...

Page 58: ...cosity cSt x 1 0 mm2 sec mm2 sec x 1 0 cSt SSU cSt x 4 25 14 20 cSt 99 SSU FLUID POWER FORMULAS Pump input torque lbs in pressure psi x displacement in3 rev 2 x mech eff Pump input power hp rpm x in3 rev x psi 395934 x overall eff Pump output flow U S gpm rpm x in3 rev x volumetric eff 231 Fluid motor speed rpm 231 x flow rate U S gpm x volumetric eff displacement in3 rev Fluid motor torque lbs in...

Page 59: ...ereby offered for sale by Parker Hannifin Corporation its subsidiaries or its authorized distributor This offer and its accepteance are governed by the provisions stated in the detailed Offer of Sale elsewhere in this document Warning and Disclaimer The product information specifications and descriptions contained in this publication have been compiled for the use and convenience of our customers ...

Page 60: ...ulic Pump and Power Systems Division 14249 Industrial Pkwy Marysville OH 43040 USA phone 937 644 4435 fax 937 642 3639 www parker com hps Bulletin HY28 2708 02 SVC EN Effective 07 19 2019 Parker Hannifin Corporation all rights reserved ...