Parker P1 Series Service Information
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Parker P1 Series Service Information

18cc to 140cc medium pressure axial piston pumps
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P1/PD Series: 18cc to 140cc Medium
Pressure Axial Piston Pumps
Variable Displacement – Service Information
Bulletin HY28-2665-02/SVC/EN
Effective: June 01, 2010

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  • Page 1 P1/PD Series: 18cc to 140cc Medium Pressure Axial Piston Pumps Variable Displacement – Service Information Bulletin HY28-2665-02/SVC/EN Effective: June 01, 2010...
  • Page 2 Parker or its subsidiaries or authorized distributors. To the extent that Parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems.

  • Page 3: Table Of Contents

    060, 075, 100, 140 rework limits..…………………………………………………………........... 45 060, 075, 100, 140 assembly…...…………………………………………………………........... 46 060, 075, 100, 140 assembly tools..………………………………………………………........... 50 060, 075, 100, 140 test procedure………………………………………………………….......... 52 Conversions and formulas………...…………………………………………………………........55 Offer of sale………………………..…………………………………………………………........59 Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 4: General Information

    The fluid recommended for use in these pumps has a petroleum base and contains agents which provide oxidation inhibition and anti-rust, anti-foam and de-aerating properties as described in PARKER standard HF-1. Where anti-wear additive fluids are specified, see PARKER standard HF-0.

  • Page 5: Start Up Procedure

    Maximum volume stop 100 - 50% 100 % 6% per turn Approximately Minimum volume stop 0 - 25% 4% per turn FACTORY SET Differential pressure 37 bar (540 psi) recommended DO NOT ADJUST Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 6: Troubleshooting

    (line volume, compensator instability line stretch, acumulator eliminate hose effects) Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 7 flow water too hot heat exchanger fan clogged or restricted efficiency reduced by mud or scale deposits intermittent hydraulic fluid flow too little fluid improper baffles reservoir Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 8: Model Code Ordering Information 018,028,045

    Pilot Operated Control with ISO-4401 (NG6) Interface and Shipping Cover None Torque Limiter 45cc ALT, AMT only Load Sense and Pressure Limiter (P'045 Torque Limiter only) * Not a functional control as shipped . See control description on page 7. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 9: Model Code Ordering Information 060,075,100,140

    Load Sense and Pressure Limiter (P'060 Torque Limiter Pumps only) None * Not a functional control as shipped . See control description on page 7. Torque limiter used w/ AM, AL (060) & L0 (075-140) Options Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 10: Technical Data

    ”A” Pilot Operated bar range (C0) = 40 Bar/Turn Control Zero Displacement to Maximum 131 125 115 123 130 * Based on NFPA testing standards bar range (C1) = 18.6 Bar/Turn Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 11: 018 & 028 Pump Exploded View

    Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN P1/PD Maintenance 18cc & 28cc Pump Exploded View Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 12: 045 Pump Exploded View

    Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN P1/PD Maintenance 45cc Pump Exploded View Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 13: Parts List For 018, 028, 045

    04 shaft option with thru drive 03E-94718-0 06 shaft option, no thru drive 06 shaft option with thru drive 03E-94804-0 03E-95166-0 03E-94990-0 08 shaft option, no thru drive 03E-95492-0 03E-95197-0 08 shaft option with thru drive Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 14 03E-94395-0 03E-94395-0 Bearing retainer Orifice 03E-94432-0 03E-94395-0 03E-94358-0 Cam bearing Housing (not sold seperatley) 108X6 108X8 488-35055-0 Plug, SAE ORB Consult Parker Rep. Plug, BSPP Consult Parker Rep. Plug, ISO 695-00908-0 695-00908-0 695-00910-0 SAE O-ring 787140 P2-060-3304 620-82125-0 Shaft Seal...

  • Page 15: 060, 075, 100 & 140 Pump Exploded View

    Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN Pump Exploded View 060, 075, 100, 140 P1/PD Maintenance 34 35 36 37 Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 16: Parts List For 060, 075, 100, 140

    03E-93845-0 03E-93267-0 Barrel hold down pin 03E-94036-0 03E-93129-0 03E-93783-0 03E-93242-0 Barrel 03E-94047-0 03E-93142-0 03E-93794-0 03E-93241-0 Spherical washer 03E-94046-0 03E-93139-0 03E-93793-0 03E-93240-0 Retainer plate S2E-18296-0 S2E-17003-0 S2E-17912-0 S2E-17323-0 Piston and shoe assembly Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 17 605-10061-5 605-10061-5 BSPP O-ring 620-82118-5 620-82118-5 620-82121-5 620-82120-5 Shaft Seal 356-65146-0 356-65146-0 356-65147-0 356-65148-0 Seal Retainer See separate compensator ordering information. Compensator * denotes Item is included in the seal kit Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 18: Case To Inlet Check Valves

    CASE TO INLET CHECK VALVE Item No 018, 028, 045 060, 075, 100, 140 Description 314-10000-0 Hollow Set Screw 314-10002-0 03E-93931-0 Check Valve Poppet 03E-94720-0 03E-93987-0 Spring 03E-94721-0 03E-93988-0 Check Valve Stop 03E-94722-0 Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 19: Volume Stop

    Plug (No Volume Stop Control) Not Shown 03E-95217-0 03E-95358-0 03E-93262-0 Minimum Volume Stop Rod S2E-19203-5 S2E-19204-5 S2E-18988-5K S2E-18987-5K S2E-18988-5K Maximum and minimum volume stops use the same components except where noted. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 20: Seal And Parts Kits

    SAE CC, 17 Tooth 03E-94270-0 03E-93943-0 695-00251-0 SAE D&E, 13 Tooth 03E-93942-0 695-00259-0 Seal Kits S2E-18709-5K S2E-19118-5K S2E-19066-5K S2E-18697-5K S2E18004-5K S2E-18460-5K S2E-18158-5K Note: Seal kits contain all the seals required for any pump configuration. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 21 Torque Limiter Kit for L0T S2E-18721-5 S2E-18759-5 S2E-18739-5 Torque Limiter Kits includes cartridge assembly, tubing and fittings. Note: AM control can be converted to an AL control with conversion kit S2E-19117-0. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 22: "L" Compensator

    Compensator Body Main Compensator Spool Main Compensator Spring Seat Main Compenator Outer Spring Main Compensator Inner Spring Main Compensator Spring Seat & Piston L0 & L2 versions only Compensator Seal Piston O-ring Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 23 SAE #2 o-ring Hardened SAE #2 o-ring boss plug 4.0 ± 0.6 N-m (35 ± 5 in-lbs) Teflon O-ring Roll pin Hex mounting screw 5.0 ± 0.3 N-m (45 ± 3 in-lbs) Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 24: "C" Compensator

    Hardened SAE #2 o-ring boss plug 4.0 ± 0.6 N-m (35 ± 5 in-lbs) Orifice plug (Loctite 242) 3.4 ± 0.4 N-m (30 ± 3 in-lbs) Teflon O-ring Roll pin Teflon O-ring Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 25: Ae, Af, Al, Am,An Compensator

    Note: To convert “AM*” to “AL*”, use conversion kit S2E-19117-0 Torque to 5.0 Nm (45.in lbs.) CCW Rotation CW Rotation AN Control .8mm ISO 4401 Interface AM Control .8mm AE & AF Control .8mm 4VP01 Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 26: Compensator Disassembly/Inspection

    Main compensator spring - inner Free height: 25.9±0.5mm (1.020±0.020 in.) C0/L0/L2 Main compensator spring - outer Free height: 39±0.7mm (1.535±0.028 in.) Load Sense spring Free height: 14±0.4mm (0.551±0.016 in.) Bias spring Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 27: Compensator Assembly

    Install o-rings on remaining SAE boss fittings and install into housing. Torque SAE-2 fittings to 4 0.5 Nm (37 5 in-lb). Load Sense Spool Load Sense Main Compensator Spring Inner Spring Main Compensator Spool Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 28 Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN P1/PD Maintenance Notes Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 29: 018, 028, 045 Disassembly

    Care must be taken to avoid dropping, damaging or contaminating the machined parts and the control valve. For complete overhaul, all o-rings and seals should be discarded and replaced. Identify the pump from information on the data tag. Figure 1 Figure 1 Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 30 This will assist in identifying damage between an individual piston and bore during component inspection. Remove cam from housing. See Figure 2 Large Pocket Pressure control side of pump Figure 2 Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 31 Remove all SAE o-ring boss access plugs. Proceed to inspection section of this manual. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 32: 018, 028, 045 Inspection

    Inspect the spool bores for damage. Apply a light oil film on the appropriate spool and check its fit in the bore. The spool should fit snugly in housing and not have any radial play. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 33: 018, 028, 045 Rework Limits

    Free Height : +/- 0.7mm 39 mm Spring-Outer P Max 03E-93159-0 Compensator Free Height : +/- 0.5mm 26 mm Spring- Inner Load Sense 03E-93825-0 Free Height : +/- 0.4mm Spring 14 mm Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 34: 018, 028, 045 Assembly

    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. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 35 CW port plates Figure 6 11. Install the large o ring in the groove on the port block. Install the three teflon o rings on the pressure communication ports of the port block. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 36 Pump rotation is indicated by arrow on compensator housing. Torque bolts to 5 ± 0.25 Nm (45 ± 3 in-lb). (See Figure 7) Dowel CW compensator Figure 7 CCW pump with CW pump with compensator compensator Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 37: 018, 028, 045 Assembly Tools

    2.00 in. 0.75 in. 1.50 in. 1.024 in. 018/028/045 76.20 mm 50.80 mm 19.05 mm 28.82 mm 22.50 mm 15° “08” Shaft 3.00 in. 2.00 in. 0.75 in. 1.135 in. 0.885 in. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 38 ( 1.50) Pump Size 3.71 mm 19.96 mm 12.7 ( 0.5) 0.146 in. 0.786 in. 4.00 mm 21.97 mm 0.157 in. 0.865 in. 4.00 mm 24.97 mm 0.157 in. 0.983 in. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 39: 018, 028, 045 Test Procedure

    P1/PD Maintenance 018, 028, 045 Pump Test Procedure PUMP TEST PROCEDURE Test criteria based on hydraulic oil ISO 32 per Parker HF-0 specifications. Oil temperature: 50 C 2 C (120 F 10 F). NOTE: insure that the hydraulic system does not overheat during this test procedure.
  • Page 40 Record input torque see performance chart Reduce output pressure to 273 ± 2 bar see performance chart (3960 ± 30 psi). Record output flow Verify no external leaks No leakage permitted Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 41 Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN Notes P1/PD Maintenance Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 42: 060, 075, 100, 140 Disassembly

    fluid may drain out of the passages when the compensator is removed. Set compensator aside for later disassembly and inspection Remove the bolts attaching the port block to the main housing. Figure 1 Pump Data Tag Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 43 Place the port block wih piston guides in oven at 163° C (325° F) NOTE: To prevent annealing of heat treated surfaces: DO NOT USE A TORCH TO HEAT PISTON GUIDES. Large Pocket Pressure control side of pump Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 44: 060, 075, 100, 140 Inspection

    Keyed shafts should be inspected for signs of bri- nelling and damage to the key area. Splined shafts may have a contact wear pattern but should not show excessive wear on the spline area. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 45: 060, 075, 100, 140 Rework Limits

    5.91 mm 5.91 mm 6.41 mm 6.41 mm Total material allowed to (0.233 in.) (0.233 in.) (0.252 in.) (0.252 in.) be removed from shoe face when lapping is 0.076mm (0.003 in) Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 46: 060, 075, 100, 140 Assembly

    Install backup washer and hold down spring. Compress spring in press and install snap ring. Caution: Make sure snap ring is properly seated in the groove prior to removing the barel from the press. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 47 4.11 mm 4.18 mm 4.08 mm 03E-93575-0 03E-93575-0 03E-94158-0 03E-93979-0 (0.162 in) (0.164 in) (0.1606 in) 4.19 mm 4.25 mm 4.16 mm 03E-93576-0 03E-93576-0 03E-93864-0 03E-97980-0 (0.165 in) (0.167 in) (0.1638 in) Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 48 20. Apply light oil film to the bias piston. Install the bias spring and the bias piston in the bias piston guide bore. Install the port plate on the port block, lining up the slot on the port plate with the locating pin. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 49 29. Install o-ring seals and assembled compensator on side of pump housing. (205 ± 5 ft-lbs) Pump rotation is indicated by arrow on compensator housing. Torque bolts to 5 ± 0.25 Nm (45 ± 3 in-lb). Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 50: 060, 075, 100, 140 Assembly Tools

    (2.78 in) (1.00 in) (2.088 in) (1.751 in) 114 mm 76.2 mm 22.4 mm 53.04 mm 50.04 mm 140 ISO 213-0-004201 15° (4.50 in) (3.00 in) (0.88 in) (2.088 in) (1.970 in) Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 51 48.7 mm 060 & 075 213-0-004193 12° (2.120 in) (1.918 in) 65.1 mm 59.3 mm 213-0-004205 15° (2.562 in) (2.335 in) 71.1 mm 65.1 mm 213-0-004198 15° (2.80 in) (2.562 in) Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 52 060, 075, 100, 140 Pump Test Procedure P1/PD Maintenance PUMP TEST PROCEDURE Test criteria based on hydraulic oil ISO 32 per Parker HF-0 specifications. Oil temperature: 50 C 2 C (120 F 10 F). NOTE: insure that the hydraulic system does not overheat during this test procedure.

  • Page 53: 060, 075, 100, 140 Test Procedure

    Record input torque see performance chart Reduce output pressure to 273 ± 2 bar see performance chart (3960 ± 30 psi). Record output flow Verify no external leaks No leakage permitted Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 54 (3770 ±30 psi). Verify that the flow remains within See performance chart specified limits. differential pressure at 20 ± 2 bar (290 ± 30 psi). Verify no external leaks No leakage permitted Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 55: Conversions And Formulas

    1000 x flow rate (Lpm) x volumetric eff. displacement (cm /rev) Fluid motor torque pressure(bar) x displacement (cm /rev) x mech. eff. Fluid motor power rpm x (cm /rev) x (bar) x overall eff. 600000 Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 56 Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN Notes P1/PD Maintenance Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 57 Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN Notes P1/PD Maintenance Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...
  • Page 58 Medium Pressure Axial Piston Pumps Bulletin HY28-2665-02/SVC/EN P1/PD Maintenance Notes Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA...

  • Page 59: Offer Of Sale

    Offer of Sale The items described in this document and other documents and descriptions provided by Parker Hannifin Corporation, Hydraulics Group, and its authorized distributors (“Seller”) are hereby offered for sale at prices to be established by Seller. This offer and its acceptance by any customer (“Buyer”) shall be governed by all of the following Terms and Conditions. Buyer’s order for any item described in its document, when communicated to Seller verbally, or in writing, shall constitute acceptance of this offer.
  • Page 60 © 2010 Parker Hannifin Corporation, all rights reserved Bulletin HY28-2665-02/SVC/EN Effective: 6-10 Parker Hannifin Corporation Hydraulic Pump Division 14249 Industrial Parkway Marysville, OH 43040 USA phone 937 644 4435 fax 937 642 3639 www.parker.com...

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