Parker PGM 500 Series Service Manual Download

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Pump & Motor Division

Vocational Truck Pump Program Catalog

Pump & Motor Division

PGP/PGM 500 Series
Service Manual

Summary of Contents for PGM 500 Series

Page 1: ...Pump Motor Division Vocational Truck Pump Program Catalog Pump Motor Division PGP PGM 500 Series Service Manual ...

Page 2: ...ormation concerning the product or system in the current 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 the products and systems and assuring that all performance safety and warning requirements of the application are met The products described herein includ...

Page 3: ... defects and other reproductive harm www p65warnings ca gov Table of Contents General Information 1 4 Single Pump 1 Use Genuine Parker Replacement Parts 2 Tool List 3 Seal Installation Tools 4 Exploded View 5 Bill of Materials 6 Disassembly Instructions 7 10 Assembly Instructions 11 17 Guidelines of Acceptable Wear 18 19 Fluid Recommendations 20 22 Start up Procedure Test Procedure 23 Offer of Sal...

Page 4: ...oductive harm www p65warnings ca gov Catalog HY13 PMD500 SM US PGP PGM 500 Series Gear Pumps Motors Service Manual Single Pump Aluminum Gear Housing Pressure Balanced Bushing Block Cast Iron Port End Cover Case Hardened Gears Low Friction Bushing Material Aluminum or Cast Iron Mounting Flange 2 or 4 Bolt Side and Rear Ports Gear Housing Port End Cover Mounting Flange Shaft Lip Seal INLET CW ROTATI...

Page 5: ...ystem The first requirement of good maintenance of hydraulic equipment is cleanliness MAKE SURE YOU DISASSEMBLE AND ASSEMBLE YOUR HYDRAULIC EQUIPMENT IN A CLEAN AREA The pictures show Model PGP511 Notes in the text cover variations between this unit and the other models It is important to airblast all parts and wipe them with a clean lintless cloth before assembly USE CAUTION IN GRIPPING ALL PARTS...

Page 6: ...inist s hammer Torque wrench Soft hammer Vise with 6 minimum opening Medium grit carborundurn stone Bar for lip seal installation Seal removal tool See A Special mylar sleeve See B Oil and Grease Special Mylar Sleeve The special mylar sleeve is used to insert the drive shaft through the lip seal without damage The drawing and chart give details for making this special tool NOTE Please see tool lis...

Page 7: ...5 A1 A2 Integral Shaft 0 946 3 500 0 630 0 275 0 748 0 040 30 0 060 PGP PGM 505 L5 Continental Shaft 1 024 3 500 0 630 0 275 0 748 0 040 30 0 060 Pump Motor SEC Description A B C D E F PGP PGM 511 H2 Integral Shaft 0 786 1 368 0 295 0 974 0 500 3 250 PGP PGM 511 H3 Integral Shaft 0 786 1 368 0 295 0 516 0 500 4 000 Pump Motor SEC Description A B C D E F G PGP PGM 511 L2 Continental Shaft 1 800 1 4...

Page 8: ...you to chemicals including lead or DEHP which are known to the state of California to cause cancer birth defects and other reproductive harm www p65warnings ca gov PGP PGM 500 Series Gear Pumps Motors Service Manual Catalog HY13 PMD500 SM US Exploded View 1 2 3 9 6 5 4 11 12 13 3 12 13 8 4 5 6 7 9 10 ...

Page 9: ...ancer birth defects and other reproductive harm www p65warnings ca gov PGP PGM 500 Series Gear Pumps Motors Service Manual Catalog HY13 PMD500 SM US Bill of Materials ITEM DESCRIPTION QTY 1 Lip Seal 1 2 Mounting Flange 1 3 Dowel Pin 2 4 Backup Seal 2 5 Channel Seal 2 6 Thrust Block 2 7 Drive Gear 1 8 Driven Gear 1 9 O Ring Seal 2 10 Gear Housing 1 11 Port End Cover 1 12 Washer 4 13 Capscrew 4 ...

Page 10: ...ISASSEMBLY Start Disassembly CAUTION 1 If prying off sections becomes necessary take extreme care not to mar or damage machined surfaces Excessive force while prying can result in misalignment and seriously damage parts 2 If parts are difficult to fit during assembly tap gently with a soft hammer Never use an iron hammer 3 Handle with care to avoid damage to the journals or teeth Avoid touching ge...

Page 11: ... PMD500 SM US PGP PGM 500 Series Gear Pumps Motors Service Manual 4 Remove gear housing Fig 4 If prying with screwdriver is necessry be careful not to damage the machined surfaces Example of excessive cutout on a gear housing circled in yellow Fig 5 5 Mark bushing blocks top and bottom Remove thrust plate Fig 6 Examine and replace if necessary See wear guide page 18 Figure 4 Figure 5 Figure 6 Belo...

Page 12: ...Avoid tapping the gear teeth together or against other hardened surfaces 6 Before removing gears draw a match mark in center of the gear teeth Fig 8 Doing so will help make sure they are placed back in the correct position when reassembling the pump 8 Next remove the drive gear Fig 10 Keep these gears together because they are a matched set Examine each for wear and replace if necessary See wear g...

Page 13: ...al Disassembly Instructions 10 If equipped remove the snap ring Fig 12 Snap ring is located in front of the shaft seal Figure 12 11 Pry out the lip seal Fig 13 Be careful not to damage seal bore in pump body See tool list on page 3 for prying device Figure 14 Figure 13 12 Remove replace section seal and examine for debris or wear Fig 14 When replacing the seal grease thoroughly and insert firmly i...

Page 14: ...rt clean all machined surfaces and make sure are free of debris 2 Prep new lip seal for replacement Fig 1 3 Grease new lip seal Fig 2 Coat the outer edge of the lip seal and its recess with non hardening sealant or equivalent before replacing 4 Replace lip seal Fig 3 4 With the metal side of the lip seal up press it into the mounting flange side of the shaft end cover with an arbor press and bar s...

Page 15: ...nia to cause cancer birth defects and other reproductive harm www p65warnings ca gov Catalog HY13 PMD500 SM US PGP PGM 500 Series Gear Pumps Motors Service Manual Assembly Instructions 5 Replace bearing Fig 5 Place new bearing over lip seal for installation 6 Press new bearing over lip seal Fig 6 7 Using arbor press seat new bearing flush with lip seal Figure 5 Figure 6 Figure 7 ...

Page 16: ... US PGP PGM 500 Series Gear Pumps Motors Service Manual Assembly Instructions Figure 9 Figure 10 Figure 11 9 Re affix or replace section seal Fig 11 Verify both sides of the section seal are free of debris If need to replace grease the new section seal and insert firmly into the grooves in both sides of the gear housing Figure 8 8 Mount shaft end cover facing down in a vise Fig 10 7 Assemble the s...

Page 17: ...e of California to cause cancer birth defects and other reproductive harm www p65warnings ca gov Catalog HY13 PMD500 SM US PGP PGM 500 Series Gear Pumps Motors Service Manual Assembly Instructions Figure 12 Figure 13 10 Install gear housing Fig 12 Be sure to line up witness marks as press down 11 Assemble new sealing parts in thrust block and verify orientation Fig 13 ...

Page 18: ...ks so the seal groove faces up ii Place the soft black into the seal groove with the flat side down iii Place the hard nylon back up seal flat side up into the groove on top of the rubber seal Pump Thrust Block Back Side Fig 14 Fig 15 Pump Thrust Block Front Side Fig 16 Motor Thrust Block Back Side Fig 17 Fig 18 Motor Thrust Block Front Side Fig 19 The proper seal installation is very important If...

Page 19: ...Fig 20 Orientation is rotation sensitive for pumps and the seals should be pointed down and facing the high pressure side of the pump the pressure port Push down until thrust block is flush with the shaft end 13 Insert drive gear Fig 21 Use a lubricated seal guide slide over the drive gear to protect teeth during assembly Insert shaft fully through port end cover until seal guide falls through the...

Page 20: ...PGP502 PGM502 15 PGP505 PGM505 22 5 PGP511 PGM511 36 PGP517 PGM517 83 Figure 27 15 Install top thrust block Fig 24 Use grease to hold into groove Then place rear thrust block over top of gears It is important that the pressure plate be installed with inlets pointing toward discharge side 17 Install hardware bolts and washers Fig 26 Thread the fasteners into the port end cover and tighten in a cros...

Page 21: ...s or tampering When the cut out is moderate 005 or less the gear housing is in good condition and may be reused Gears Any scoring on gear hubs necessitates replacement Scoring grooving or burring of the outside diameter of the teeth requires replacement Nicking grooving or fretting of teeth surfaces also necessitates replacement Drive Shafts Replace if there is any wear detectable by touch in the ...

Page 22: ...and other reproductive harm www p65warnings ca gov Catalog HY13 PMD500 SM US PGP PGM 500 Series Gear Pumps Motors Service Manual Guidelines for Acceptable Wear Seals and Gaskets Replace all rubber and polymer seals including all o rings thrust block channel seals shaft seal and gasket seals Checks Examine the checks if unit has them in the mounting flange to make sure that they are tight and free ...

Page 23: ... temperatures it is recommended to keep the temperature of the hydraulic fluid in the range of 120 F to 140 F 49 C to 60 C Fluids may break down or oxidize at high temperatures which leads to varnish or sludge deposits in the system and also reduces lubricity and results in reduced life of the unit As a rule of thumb operating temperatures over 176 F 80 C reduce the service life by half for every ...

Page 24: ... severely damage the pump A usually acceptable rule of thumb is that the inlet line velocity should not exceed 8 fps 2 5 m s A long inlet line or the use of several fittings may necessitate increasing the line size We suggest that each inlet port of a tandem pump have its own line from the reservoir Reservoir Reservoir capacity in gallons should at least equal total pump output in GPM When filling...

Page 25: ... should be of a rating and size recommended by the fluid and filter manufacturers to achieve a recommended ISO contamination level NOTE Finer filtration may be required by other components in the system High Water Base Fluids HWBF The use of 95 5 emulsion is not recommended Biodegradable Oil Vegetable Based Oils of this type with properties similar to recommended petroleum oils may be used Perform...

Page 26: ...orts serious and permanent damage will result The oil should be a good quality hydraulic oil rated at 150 SSU at 100 F with the oil temperature held at 120 F plus or minus 50 F Test procedures are described in detail in SAE handbooks see Hydraulic Power Pump Test Procedure SAE J745c The feed line must be of adequate size with no more than 5 mercury vacuum adjacent to the pump inlet As a rule the f...

Page 27: ...24 Notes ...

Page 28: ...Notes 25 Parker Hannifin Corporation Pump Motor Division Kings Mountain NC ...

Page 29: ...Notes 26 Parker Hannifin Corporation Pump Motor Division Kings Mountain NC ...

Page 30: ... The Buyer must analyze all aspects of the application and follow applicable industry standards specifications and other technical information provided with the Product If Seller provides Product options based upon data or specifications 1 Definitions As used herein the following terms have the meanings indicated Buyer means any customer receiving a Quote for Products from Seller Goods means any t...

Page 31: ...ded with the Software 19 Indemnity for Infringement of Intellectual Property Rights Seller is not liable for infringement of any patents trademarks copyrights trade dress trade secrets or similar rights Intellectual Property Rights except as provided in this Section Seller will defend at its expense and will pay the cost of any settlement or damages awarded in an action brought against Buyer based...

Page 32: ...zed Parker Distributor Parker Hannifin Corporation Pump Motor Division 101 Canterbury Road Kings Mountain NC 28086 Phone 704 730 2000 Fax 704 730 7411 www parker com pmd www phtruck com BLI 4 HY13 PMD500 SM US July 2020 ...

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