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Parker P2 Series, Service Manual, Page: 9 / 12

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Parker P2 Series Service Manual Download Page 9

Bulletin HY13-1650-M1/USA

Piston Pump Service Procedure
P2 / P3 Series

Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee US

9

Control is malfunctioning.

• Clean, petroleum-based solvent

• Vise with soft jaws

• Air pressure source

• Arbor press

• Screw driver

• Breaker bar

• Torque wrench-(Nm) ft lbs: Range: 0-425 Nm

• Adjustable crescent wrench

• Fluid mineral oil ISO VG 32 @ 40

o

C

• Clean corrosion resistant grease, oil or petroleum jelly.

• Hex bits and Allen Keys (or T-handle).

Metric:  3mm, 5mm, 6mm, 8mm, 10mm, 12mm and 14mm

SAE: 1/8”, 5/32”, 3/16”, 3/8”, 1/2”, 9/16” and 5/8”

• Sockets (deepwall)

Metric: 17mm, 19mm, 32mm or 36 mm and 38 mm

SAE: 9/16” and 1”

• Internal snapring pliers:  small and large

• Box end wrench: 13mm (1/2”), 17mm deep offset

• Pencil magnet

• Loctite 242

CAUTION: Mixing greases that have different bases can be detrimental to bearing life.

Tools and Materials Required for Servicing

Troubleshooting Checklist

Trouble

Cause

Remedy

Clean orifices in control of contamination.  Confirm
orifice and plugs are properly assembled.
If torque control pump, is saturation orifice in place.

Pump won’t
compensate

Summary of Contents for P2 Series

Page 1: ...Bulletin HY13 1650 M1 US Piston Pumps Service Procedure P2 P3 Series Variable Volume Piston Pumps ...

Page 2: ...t product catalog Due to the variety of operating conditions and applications for these products or systems the user through its own analysis and testing is solely responsible for making the final selection of the products and systems and assuring that all performance safety and warning requirements of the application are met The products described herein including without limitation product featu...

Page 3: ...e to the Pump unit or if you encounter circumstances not covered in the Manual STOP CONSULT THE EQUIPMENT MANUFACTURER S SERVICE MANUAL AND WARRANTY DO NOT TRY TO REPAIR OR SERVICE A PUMP UNIT WHICH HAS BEEN DAMAGED OR INCLUDES ANY PART THAT SHOWS EXCESSIVE WEAR UNLESS THE DAMAGED AND WORN PARTS ARE REPLACED WITH ORIGINAL PARKER REPLACEMENT AND SERVICE PARTS AND THE UNIT IS RESTORED TO PARKER SPEC...

Page 4: ... noise to insulate The rigid housing design combined with the reduced pressure ripple decreases airborne as well as hydraulic generated noise These features will significantly reduce the need for costly insulation Reliable High self priming speed and the reduced pressure ripple increase the service life of the pump while lowering maintenance costs of the system Flexible The modular design of the P...

Page 5: ... capability to operate the pump successfully at high elevations without the need for pressurized reservoirs Unique port layout with both operating ports on the same side of the pump resulting in more accessible plumbing Built in air bleed valve for automatic priming of the pump at start up 1 Input shaft 2 Seal carrier with shaft seal 3 Sphericalrollerbearings 4 Saddlebearing 5 Swashplate 6 Slipper...

Page 6: ...uld follow Column 3 illustrates this procedure with photographs Read all material carefully and pay special attention to the notes cautions and warnings Pages with the various pump sizes exploded assembly view are provided several places in this manual The component part names and item numbers assigned on these exploded assembly views correspond with names and item numbers in parentheses used in t...

Page 7: ... belts Hydraulic Components If you think the problem is caused by a hydraulic component start by checking the easy to reach items Check all hoses and lines for cracks hardening or other signs of wear Reroute any usable hoses that are kinked severely bent or that rest against hot engine parts Look for leaks especially at couplings and fittings Replace any hoses or lines that don t meet system flow ...

Page 8: ...worn install new seal in the inner position Reinstall seal carrier b If pump is dual shaft seal option Remove seal carrier from pump If shaft is damaged or worn replace shaft and seals If shaft is not damaged replace seals and reinstall seal carrier NOTE Check fluid leaking from housing weep hole to better determine which seal has failed If pump is leaking hydraulic fluid the inboard seal has fail...

Page 9: ...ly Hex bits and Allen Keys or T handle Metric 3mm 5mm 6mm 8mm 10mm 12mm and 14mm SAE 1 8 5 32 3 16 3 8 1 2 9 16 and 5 8 Sockets deepwall Metric 17mm 19mm 32mm or 36 mm and 38 mm SAE 9 16 and 1 Internal snapring pliers small and large Box end wrench 13mm 1 2 17mm deep offset Pencil magnet Loctite 242 CAUTION Mixing greases that have different bases can be detrimental to bearing life Tools and Mater...

Page 10: ... 8 85 13 5 10 0 20 0 14 75 25 0 18 43 Technical Information Temperature o C 0 56 o F 32 o F 1 8 o C 32 Pressure 1 PSI 06896 Bar 1 Bar 14 5 PSI Length 1 inch 0 0394 x 1mm 1mm 25 4 x 1 inch Torque 1 Ft Lb 0 738 x 1 N m 1 In Lb 8 85 x 1 N m 1 N m 0 113 x 1 In Lb Torque Chart Nm ft lbs 30 0 22 12 35 0 25 81 40 0 29 50 45 0 33 19 50 0 36 87 55 0 40 56 60 0 44 25 65 0 47 94 70 0 51 63 Nm ft lbs 75 0 55 ...

Page 11: ...as inlet port will allow on a P3 style pump For flooded suction purge air from suction lines by cracking the inlet fitting or vent gage plug on pump body This should prevent an airlock condition and allow for faster priming Starting the pump slowly by jogging or turning over engine without allowing it to start will help the pump prime and makes it easier to determine when priming has occurred Plum...

Page 12: ...Bulletin HY13 1650 M1 USA Piston Pump Service Procedure P2 P3 Series Parker Hannifin Corporation Hydraulic Pump Motor Division Greeneville Tennessee US 12 ...

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