Service Manual PGP/PGM315, 330, 350, 365 PGP/PGM
Contents
1. roup is a global leader in the design manufacture The Instrumentation and distribution of high quality critical flow components for worldwide process instrumentation ultra high purity medical and analytical applications Commercial Parker cA 5 Hydraulics 15 Parker Hannifin Corporation Gear Pump Division Youngstown OH Hydraulics Parker Hannifin Corporation Service Manual HY09 SM300 US Gear Pump Division 04 02 T amp M 2 5M 1775 Logan Avenue Youngstown OH 44501 USA Tel 330 746 8011 Fax 330 746 1148 www parker com2. Continued from the previous page The Use of Other Fluids e Automatic Transmission Fluid ATF In general ATF performance is satisfactory however these fluids are sometimes too expensive for normal use in hydraulic systems e Diesel Fuel or Kerosene Coal Oil Though sometimes used as dilutants for cold weather operations they are not recommended as they are not sufficiently refined e Fire Resistant Fluids DO NOT USE ANY FIRE RESISTANT FLUIDS OR NON PETROLEUM OILS WITHOUT CONSULTING OUR TECHNICAL SERVICE DEPARTMENT e These suggestions are intended as a guide only OBTAIN YOUR FINAL FLUID RECOMMENDATIONS FROM YOUR FLUID SUPPLIER Commercial Hydraulics m Z Recommended Start up Procedure For New or Rebuilt Pump Before installing a new or rebuilt pump back off the main relief valve until the spring tension on the adjusting screw is relieved This will avoid the possibility of immediate damage to the replacement unit in the event that the relief valve setting had been increased beyond the recommended operating pressure prior to removing the old unit Before connecting any lines to the pump fill all ports with clean oil to provide initial lubrication This is particularly important if the unit is located above the oil reservoir After connecting the lines and mounting the replacement unit operate the pump at least two minutes at no load and at low rom 400 min During this break in period the unit shou
3. Hydraulics Service Manual HY09 SM300 US Service Manual PGP PGM315 330 350 365 Effective April 15 2002 Supersedes July 1 1998 PGP PGM 300 Series Commercial EA 3 Hydraulics Cast Iron Housings Case Hardened Gears SAE 2 or 4 Bolt Mountings Single Pump Split flange or ODT Ports High Temperature Seals Low friction Bushing Coating One piece Drive Balanced Thrust Plates Shaft amp Gear Minimize Friction and Leakage Long Shaft Journals Superior Bearing Surface Internal Passage Constantly Multi ple Pump Lubricates Bushings Large Passages for Better Pump Feed Extended Studs Available for Mounting Support Use Genuine Parker Replacement parts Legal Notification A WARNING FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH PERSONAL INJURY AND PROPERTY DAMAGE This document and other information from Parker Hannifin Corporation its subsidiaries and authorized distributors provide product and or system options for further investigation by users having technical expertise It is important that you analyze all aspects of your application and review the information 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
4. OR STRICT LIABILITY 6 Changes Reschedules and Cancellations Buyer may request to modify the designs or specifications for the items sold hereunder as well as the quantities and delivery dates thereof or may request to cancel all or part of this order however no such requested modification or cancel lation shall become part of the contract between Buyer and Seller unless accepted by Seller in a written amendmentto this Agreement Acceptance of any such requested modification or cancellation shall be at Seller s discretion and shall be upon such terms and conditions as Seller may require 7 Special Tooling A tooling charge may be imposed for any special tooling including without limitation dies fixtures molds and patterns acquired to manufacture items sold pursuantto this contract Such special tooling shall be and remain Seller s property notwithstanding payment of any charges by Buyer In no event will Buyer acquire any interest in apparatus belonging to Seller which is utilized in the manufacture of the items sold hereunder even if such apparatus has been specially con verted or adapted for such manufacture and notwithstanding any charges paid by Buyer Unless otherwise agreed Seller shall have the right to alter discard or otherwise dispose of any special tooling or other property in its sole discretion at any time 8 Buyer s Property Any designs tools patterns materials drawings confidential information or equipme
5. gradually equalize pump and oil temperatures Run the pump at least two minutes at no load and moderate speed not over 1500 rpm If the pump becomes excessively hot shut down immediately and locate the problem source Gradually increase pressure on pump in 500 psi increments until the desired test pressure has been reached This should take about five minutes Delivery should run close to rated catalog performance figures which are averaged from testing several pumps A 5 lower reading may be used as a rated minimum if new or relatively new parts have been used When rebuilding the pump with parts from the Original pump which while worn appear satisfactory for reuse a 10 or 15 lower reading may be permitted depending on the performance expected from the equipment One s own experience will prove the best guide here GPM DELIVERY at 1800 rpm 100 psi 1000 psy FO bar 10 49 174 3 30 50 2 3 Commercial Parker cA 5 Hydraulics GPM DROP OFF AT PGP PGM 300 Series Service Manual HY09 SM300 US Many repairmen measure the output at normal operating speed and at zero pressure then again at 1000 psi or the operating pressure of the equipment and allow a volume decrease approximating the listing below It is a suggested reference only which makes allowance for reused parts At test speeds other than 1800 rom gpm delivery will vary almost proportionately but the same drop off figures should be used Be
6. indicate cavitation or oil aeration Discolored thrust plates indicate overheating likely due to insufficient oil Commercial Hydraulics m Ce Dowel Pins If either the dowel or dowel hole is damaged a gt the dowel or machined casting or both must be replaced lt If more than reasonable force is required to seat dowels the cause may be poorly deburred or dirty parts cocking of the dowel in the hole or improper pin to hole fit I Bushings If gears are replaced bushings must be replaced Bushings should fit into the bore with a heavy press fit A 1 Seals and Gaskets tw Replace all rubber and polymer seals including all 0 rings thrust plate channel seals shaft seal and gasket seals Plugs Examine the plugs in the shaft end and port end cover to make sure that they are in the proper position and tight The PGP PGM315 and PGP PGM330 should have two plugs in both the shaft end and port end in tandem units only The PGP PGM350 and PGP PGM365 have one plug in their shaft and port ends high pressure side only 1 0 Parker Hannifin Corporation Gear Pump Division Youngstown OH Lubrication and Oil Recommendations All parts with the exception of the outboard bearing are lubricated by the hydraulic oil in the circuit Particular attention must be paid to keep clean oil in the circuit system Whenever there is a pump or motor failure and there is reason to feel that metal
7. on single units or the 4 hex nuts studs and washers of multiple units 4 Remove the thrust plate Examine and replace if necessary See wear guide page 10 6 Lift the gear housing from the bearing carrier If prying is necessary take care not to damage machined surfaces Examine and replace if necessary See page 10 For multiple assemblies only Parker Hannifin Corporation Gear Pump Division Youngstown OH PGP PGM 300 Series Service Manual HY09 SM300 US 7 Carefully lift or pry off the bearing carrier to prevent damage to contact face and edges Dowel pins will remain in either the bearing carrier 8 Remove the connecting shaft Remove the thrust plate Examine and replace if necessary See page 10 Remove the driven or the gear housing DO NOT REMOVE THEM For multiple assemblies only gear and the integral gear and drive shaft Keep these together as they are a matched set Examine and replace if necessary See page 10 Be careful not to damage the machined surfaces of the gears 9 Lift or pry off the first section gear housing Be careful not to damage machined surfaces Examine and replace if necessary see page 10 10 Inspect all bushings for scoring or discoloration and replace if necessary Use a bushing puller as shown in the tool list to remove bushings see page 4 12 Use a bearing puller to remove the outboard bearing 11 If the pump is equi
8. shall constitute Seller s sole and exclusive liability and Buyer s sole and exclusive remedy for infringement of Intellectual Property Rights If a claim is based on information provided by Buyer or if the design for an item delivered hereunder is specified in whole or in part by Buyer Buyer shall defend and indemnify Seller for all costs expenses or judgments resulting from any claim that such item infringes any patent trademark copyright trade dress trade secret or any similar right 11 Force Majeure Seller does not assume the risk of and shall not be liable for delay or failure to perform any of Seller s obligations by reason of circumstances beyond the reasonable control of Seller hereinafter Events of Force Majeure Events of Force Majeure shall include without limitation accidents acts of God strikes or labor disputes acts laws rules or regulations of any government or government agency fires floods delays or failures in delivery of carriers or suppliers shortages of materials and any other cause beyond Seller s control 12 Entire Agreement Governing Law The terms and conditions set forth herein together with any amendments modifications and any different terms or conditions expressly accepted by Seller in writing shall constitute the entire Agreement concerning the items sold and there are no oral or other representations or agreements which pertain thereto This Agreement shall be governed in all respects by
9. sure to run the pump in the direction for which it was designed and built Driving the pump in the wrong direction will build up pressure behind the shaft seal damaging it and necessitating replacement After completing testing procedures the pump is ready for installation and immediate duty operation on equipment Again it must be remembered that to prevent seizure hot oil must not be fed into a cold pump ee 3000 psi 210 bar SUDU psi 140 bar 2 3 ed Pond 3 4 3 5 I 1 3 Parker Hannifin Corporation Gear Pump Division Youngstown OH PGP PGM 300 Series Service Manual HY09 SM300 US Offer of Sale The items described in this document and other documents or descriptions provided by Parker Hannifin Corporation its subsidiaries and its authorized distributors are hereby offered for sale at prices to be established by Parker Hannifin Corporation its subsidiaries and its authorized distributors 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 such items when communicated to Parker Hannifin Corporation its subsidiary or an authorized distributor Seller verbally or in writing shall constitute acceptance of this offer 1 Terms and Conditions of Sale All descriptions quotations propos als offers acknowledgments acceptances and sales of Seller s products are subject to and shall be governed exclusively by the terms and co
10. 1 1 2 diameter steel ball NOTE If new plug or plugs are being installed covers PGP PGM350 and coat threads with 365 have one plug on the Loctite thread sealant outlet side of their shaft end and port end covers 5 Note Assembly steps 5 6 7 amp 8 6 Bushings should be apply to shaft end cover bearing carrier and portend cover Any bushings removed from the shaft end cover portend cover or bearing carrier should be assembled in the drive bores with the groove to the top of unit 12 o clock Assemble the bushings in the driven bores with the groove to the bottom of the unit 6 o clock The PGP PGM315 does not have grooved bushings therefore the bushing seams should be placed at the 12 and 6 o clock positions pressed into the bores one at atime using the special installation tool and an arbor press Be sure the that the grooves or seams are positioned as stated in Step 5 The bushings must be pressed into the bores flush with the casting face Be sure to support the castings so that they are square and level 7 Repeat Steps 1 and 2 stone and rinse parts 8 See that dowel pins are in place in any new castings Examine all of the dowels Before inserting make certain that the hole is clean and free from burrs Gently start the pin straight into the hole and tap lightly with a soft hammer Commercial 7 Parker Hannifin Corporation Gear Pump Division e Hydraulics Youngstown O
11. H PGP PGM 300 Series Service Manual HY09 SM300 US 9 Before inserting a new lip seal in the shaft end cover coat the outer edge of the lip seal and its recess with Permatex Aviation Form A Gasket No 3 non hardening sealant or equivalent 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 see Tool List on page 4 Be careful not to damage the lip of the seal Press in until flush with the recess Wipe off excess sealant 11 Install the snap ring in the groove to retain the outboard bearing 13 Assemble the channel seals into the grooves in the thrust plates with the flat side of the seal facing away from the thrust plate as shown below Thrust Plate Flat Side of Seal 15 Slide the driven gear 10 If the unit is equipped with an outboard bearing guide the bearing into its recess in the shaft end cover This is a light press fit It may be necessary to lightly tap the bearing into the bore 12 Grease the new gasket seals and insert them into the grooves in both sides of all gear housings Position the first gear housing over the shaft end cover and dowels Tap it with a soft hammer until it rests tightly against the shaft end cover Be careful not to pinch the gasket seal Also be sure that the large rounded core is on the inlet side 14 Gently slip the thrust plate through the gear housing and
12. Hollow for PGP PGM 365 ONLY Gear Housing Bearing Carrier Connecting Shaft Matched Gear Set Gear Housing Port End Cover Studs or Cap Screws Washers Nuts 4 2 3 4 5 6 7 8 9 Parker Hannifin Corporation Gear Pump Division Youngstown OH PGP PGM 300 Series Service Manual HY09 SM300 US Tool List e Arbor press e Awl e 1 1 2 Dia steel ball e Bearing puller Owatonna Tool Co M D 956 or equivalent e Bushing remover tool See A e Clean lintless cloths e Deburring tool an old file with cutting teeth ground off e Machinist s hammer e Soft hammer Permatex Aviation Form A Gasket No 3 non hardening sealant or equivalent e Medium grit carborundurn stone e Seal removal tool See B e Oil and grease e Snap ring pliers e Prick punch e Bushing installation tool See C e Scale 1 32 or 1 64 graduations e Small screw driver e Torque wrench e Vise with 6 minimum opening e Bar for lip seal installation Note For PGP PGM315 use 1 5 8 dia x 2 bar For PGP PGM330 use 1 3 4 dia x 2 bar For PGP PGM350 use 2 1 2 dia x 2 bar For PGP PGM365 use 2 1 2 dia x 2 bar e Special steel sleeve see sketch Bushing Puller The bushings in PGP PGM315 330 350 and 365 pumps may be removed from their bores using blind hole collet type bushing pullers similar to those manufactured by Owatonna Tool Co The table below illustrates the modifications necessa
13. es in the text cover variations between this unit and the other models lt is important to airblast all parts and wipe them with a clean lintless cloth before assembly USE CAUTION IN GRIPPING ALL PARTS IN THE VISE TO AVOID DAMAGING MACHINED SURFACES A pump must be driven in the direction of rotation for which it was built otherwise pressure will blow the shaft seal Check the exploded view and notes at right for proper direction of rotation Parker s Replacement Parts Parker s replacement parts are of original equipment standards For assured quality of material and work manship and for compatibility in assembly USE ONLY GENUINE PARTS Check all replacement parts before installing them to be certain that they were not damaged in shipment Commercial Parker cA 5 Hydraulics PGP PGM 300 Series Service Manual HY09 SM300 US C Ym i a J i u 5 i i roi _ i P g a Items shaded apply to multiple assemblies only CR Oh i 4 NOTE For PGP315 and PGP330 ONLY Plug 5 required in position A and position B For PGP350 and PGP365 ONLY Plug 5 in position B gives clockwise rotation Plug 5 in position A gives counterclockwise rotation PARTS LIST Snap Ring Outboard Bearing Seal Shaft End Cover Plug Bushings Channel Seal Thrust Plates Integral Drive Shaft and Gear Set 10 Gasket Seal Dowel Pins Solid for PGP PGM 315 330 and 350
14. f infringement of U S Patents U S Trademarks copyrights trade dress and trade secrets hereinafter Intellectual Property Rights Seller will defend at its expense and will pay the cost of any settlement or damages awarded in an action brought against Buyer based on an allegation that an item sold pursuantto this contract infringes the Intellectual Property Rights of a third party Seller s obligation to defend and indemnify Buyer is contingent on Buyer notifying Seller within ten 10 days after Buyer becomes aware of such allegations of infringement and Seller having sole control over the defense of any allegations or actions including all negotiations for settlement or compromise If an item sold hereunder is subject to a claim that it infringes the Intellectual Property Rights of a third party Seller may atits sole expense and option procure for Buyer the right to continue using said item replace or modify said item so as to make it noninfringing or offer to accept return of said item and return the purchase price less a reasonable allowance for depreciation Notwithstanding the foregoing Seller shall have no liability for claims of infringement based on information provided by Buyer or directed to items delivered hereunder for which the designs are specified in whole or part by Buyer or infringements resulting from the modification combination or use in asystem of any item sold hereunder The foregoing provisions of this Part 10
15. 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 features specifications designs availability and pricing are subject to change by Parker Hannifin Corporation and its subsidiaries at any time without notice Offer of Sale The items described in this document are hereby offered for sale by Parker Hannifin Corporation its subsidiaries or its authorized distributors This offer and its acceptance are governed by the provisions stated in the Offer of Sale Copyright 2002 Parker Hannifin Corporation All Rights Reserved Parker Hannifin Corporation Commercial 2 Gear Pump Division Hydraulics Youngstown OH 315 330 350 365 Service Manual General Instructions These service instructions will familiarize you with Parker s single and multiple pumps their component parts e the relative position of each part proper methods for assembly or disassembly of the units To facilitate the repair of these units and before any work is done we suggest that you first read all of the steps used in disassembly and assembly Dirt is the enemy of any hydraulic system The first requirement for good maintenance of hydraulic equipment is cleanliness MAKE SURE YOU DISASSEMBLE AND ASSEMBLE YOUR HYDRAULIC EQUIPMENT IN A CLEAN AREA The pictures show Model PGP365 Not
16. into place on the shaft end cover The channel seal from Step 13 should face the shaft end cover The relief groove in the plate should face the outlet side of the pump 16 Slip the thrust plate through the housing and into the bushing in the shaft end cover Coat the steel sleeve with the seal over the gear journals and into the housing bore The flat side tool with grease Place the lightly greased drive shaft inside the sleeve and slide both through the shaft end of the seal should face up with the relief groove facing the outlet side For single pump assemblies cover with a twisting motion until the integral gear rests against the thrust plate Avoid damaging the double lip seal Remove the steel sleeve Squirt clean oil over the gears Commercial 8 Parker Hannifin Corporation Gear Pump Division e Hydraulics Youngstown OH go directly to Step 21 17 Place the bearing carrier onto the journals of the drive and driven gears Be sure to line up the dowel holes over the dowel pins When the parts are parallel squeeze them together or alternately tap over each dowel until the parts are together 19 Place the thrust plate in the gear housing per Step 14 Insert the drive and driven gears of the second section in their respective bearings Make certain the gears are in contact with the thrust plate face Place the port end cover plate in the housing per Step 16 For m
17. ld run free and not develop an excessive amount of heat If the unit operates properly soeed and pressure can then be increased to normal operating settings Reset the main relief valve to its proper setting while the pump is running at maximum operating engine motor speed for the vehicle ALWAYS USE AN ACCURATE GAUGE WHEN ADJUSTING THE RELIEF VALVE PRESSURE SETTING Parker Hannifin Corporation Gear Pump Division Youngstown OH 12 Recommended Test Procedure Make certain that there is an adequate supply of oil for the pump at least one gallon of oil for each gom of pump capacity If one section of a tandem pump is being tested make sure that all other sections not being tested are adequately supplied with oil If any of the other sections run dry or if plugs are left in ports 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 feed line must provide a feed flow velocity not in excess of 8 feet per second Feeding hot oil into a cold pump may cause the pump to seize Jog the pump by momentarily starting and stopping repeatedly the driving engine or motor to
18. nd Seller shall have no liability for any delays in delivery 4 Warranty Seller warrants that the items sold hereunder shall be free from defects in material or workmanship for a period of 18 months from date of shipment from Parker Hannifin Corporation THIS WARRANTY COMPRISES THE SOLE AND ENTIRE WARRANTY PERTAINING TO ITEMS PROVIDED HEREUNDER SELLER MAKES NO OTHER WAR RANTY GUARANTEE OR REPRESENTATION OF ANY KIND WHAT SOEVER ALL OTHER WARRANTIES INCLUDING BUT NOT LIM ITED TO MERCHANTABILITY AND FITNESS FOR PURPOSE WHETHER EXPRESS IMPLIED OR ARISING BY OPERATION OF LAW TRADE USAGE OR COURSE OF DEALING ARE HEREBY DISCLAIMED NOTWITHSTANDING THE FOREGOING THERE ARE NO WARRANTIES WHATSOEVER ON ITEMS BUILT OR AC QUIRED WHOLLY OR PARTIALLY TO BUYER S DESIGNS OR SPECIFICATIONS 5 Limitation Of Remedy SELLER S LIABILITY ARISING FROM ORIN ANY WAY CONNECTED WITH THE ITEMS SOLD OR THIS CON TRACT SHALL BE LIMITED EXCLUSIVELY TO REPAIR OR RE PLACEMENT OF THE ITEMS SOLD OR REFUND OF THE PURCHASE PRICE PAID BY BUYER AT SELLER S SOLE OPTION IN NO EVENT SHALL SELLER BE LIABLE FOR ANY INCIDENTAL CONSEQUEN TIAL OR SPECIAL DAMAGES OF ANY KIND OR NATURE WHATSO EVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING FROM OR IN ANY WAY CONNECTED WITH THIS AGREEMENT OR ITEMS SOLD HEREUNDER WHETHER ALLEGED TO ARISE FROM BREACH OF CONTRACT EXPRESS ORIMPLIED WARRANTY ORIN TORT INCLUDING WITHOUT LIMITATION NEGLIGENCE FAILURE TO WARN
19. nditions stated herein Buyer s acceptance of any offer to sell is limited to these terms and conditions Any terms or conditions in addition to or inconsistent with those stated herein proposed by Buyer in any accep tance of an offer by Seller are hereby objected to No such additional different or inconsistent terms and conditions shall become part of the contract between Buyer and Seller unless expressly accepted in writing by Seller Sellers acceptance of any offer to purchase by Buyer is expressly conditional upon Buyer s assent to all the terms and conditions stated herein including any terms in addition to or inconsistent with those contained in Buyer s offer Acceptance of Seller s products shall in all events constitute such assent 2 Payment Payment shall be made by Buyer net 30 days from the date of delivery of the items purchased hereunder Amounts not timely paid shall bear interest at the maximum rate permitted by law for each month or portion thereof that the Buyer is late in making payment Any claims by Buyer for omissions or shortages in a shipment shall be waived unless Seller receives notice thereof within 30 days after Buyer s receipt of the shipment 3 Delivery Unless otherwise provided on the face hereof delivery shall be made F O B Seller s plant Regardless of the method of delivery however risk of loss shall pass to Buyer upon Seller s delivery to a carrier Any delivery dates shown are approximate only a
20. nery and equipment pneumatic and electro mechanical components and systems to automation customers worldwide The Automation Group 3 is aleading supplier of 2 a Parker Hannifin Corporation Parker s Charter To be a leading worldwide manufacturer of components and systems for the builders and users of durable goods More specifically we will design market and manufacture products controlling motion flow and pressure We will achieve profitable growth through premier customer service Product Information North American customers seeking product information the location of a nearby distributor or repair services will receive prompt attention by calling the Parker Product Information Center at our toll free number 1 800 C PARKER 1 800 272 7537 In the UK a similar service is available by calling 0500 103 203 The Climate amp Industrial Controls Group designs manufactures and markets system control and fluid handling components and systems to refrigeration air conditioning and industrial customers worldwide The Seal Group designs manufactures and distributes industrial and commercial sealing devices and related products by providing superior quality and total customer satisfaction The Filtration Group designs manufactures and markets quality filtration and clarification products providing customers with the best value quality technical support and global availability
21. nt furnished by Buyer or any other items which become Buyer s property may be considered obsolete and may be destroyed by Seller after two 2 consecutive years have elapsed without Buyer placing an order for the items which are manufactured using such property Seller shall not be responsible for any loss or damage to such property while it is in Seller s possession or control 9 Taxes Unless otherwise indicated on the face hereof all prices and charges are exclusive of excise sales use property occupational or like taxes which may be imposed by any taxing authority upon the manufac ture sale or delivery of the items sold hereunder If any such taxes must be paid by Seller or if Seller is liable for the collection of such tax the amount thereof shall be in addition to the amounts for the items sold Buyer agrees to pay all such taxes or to reimburse Seller therefore upon receipt of its invoice If Buyer claims exemption from any sales use or other tax imposed by any taxing authority Buyer shall save Seller harmless from and against any such tax together with any interest or penalties thereon which may be assessed if the items are held to be taxable 10 Indemnity For Infringement of Intellectual Property Rights Seller shall have no liability for infringement of any patents trademarks copy rights trade dress trade secrets or similar rights except as provided in this Part 10 Seller will defend and indemnify Buyer against allegations o
22. nual HY09 SM300 US Start Disassembly Here 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 Gears are closely matched therefore they must be kept together as sets when removed from a unit Handle with care to avoid damage to the journals or teeth Avoid touching gear journals 4 Never hammer bushings into bores use an arbor press Commercial Hydraulics 1 Place the pump ina vise with the drive shaft pointing down Caution DO NOT GRIP ON OR NEAR ANY MACHINED SURFACES DURING ASSEMBLY OR DISASSEMBLY Match mark all sections Be sure to align these marks when reassembling 3 Lift off the port end cover If prying is necessary be careful not to damage the machined surfaces Dowel pins will remain in either the port end cover or the gear housing 5 Carefully remove the drive and driven gears Avoid tapping the gear teeth together or against other hardened surfaces Keep these gears together because they are a matched set Examine and replace if necessary See page 10 Remove the thrust plate from the bearing carrier Examine and replace if necessary For multiple assemblies only 5 2 Use a socket wrench to remove the 4 cap screws
23. nufacturer s recommendations and the system periodically flushed The oil temperature in the reservoir must not exceed 200 F 93 3 C with a maximum temperature of 180 F 82 2 C recommended Higher temperatures will result in rapid oil deterioration Reservoir capacity should equal in gallons the pump output in gpm or the total gom of all pumps where there is more than one in the system Oil poured into the reservoir should pass through a 100 mesh screen Pour only clean oil from clean containers into the reservoir A 100 mesh screen may be used in the suction line leading to the pump A suction filter should be of sufficient size to handle twice the pump capacity It must be cleaned and checked regularly to avoid damage due to contamination and cavitation Normal Temperatures O F 1 8 C to 100 F 37 8 C Ambient 100 F 37 8 C to 180 F 82 2 C System Be sure your oil is recommended for the temperatures you expect to encounter Cold Weather Operation Oils for use in cold weather should have a viscosity not exceeding 7500 SSU at the minimum start up temperature A pour point of at least 20 F below start up temperature is recommended Start up procedures should allow for a gradual warm up until the oil reaches a reasonably fluid state Continued on the following page Parker Hannifin Corporation Gear Pump Division Youngstown OH PGP PGM 300 Series Service Manual HY09 SM300 US
24. particles may be in the system the oil must be drained the entire system flushed clean and any filter screens thoroughly cleaned or replaced New oil should be supplied for the entire system Oil suitable and recommended for use in circuits involving Parker s pumps and motors should meet the following specifications Viscosity 50 SSU minimum operating temperature 7500 SSU maximum starting temperature e 150 to 225 SSU 100 F 37 8 C generally 44 to 48 SSU 210 F 98 9 C generally Approximate SSU O 100 F 10 F Grade 37 8 CO 96 9 C SAE 10 150 43 SAE 20 330 51 Viscosity Index 90 minimum Aniline Point 175 minimum Recommended Additives Foam depressant rust and oxidation inhibitors Filtration 10 micron recommended for maximum pump life Other Desirable Characteristics e Stability of physical and chemical characteristics e High demulsibility low emulsibility for separation of water air and contaminants e Resistant to the formation of gums sludges acids tars and varnishes e High lubricity and film strength Commercial Parker cA 5 Hydraulics PGP PGM 300 Series Service Manual HY09 SM300 US General Recommendations A good quality hydraulic oil conforming to the characteristics listed above is essential to the satisfactory performance and long life of any hydraulic system The oil should be changed on regular schedules in accordance with the ma
25. pped with an outboard bearing place the shaft end cover in the vise with the mounting face up Remove the snap ring with snap ring pliers If a unit is equipped with a spiral lock retaining ring remove with a small screwdriver or awl 13 Grip the shaft end cover in a vise with the mounting face down Remove double lip seal by inserting the special seal removal tool see Tool List into the notch between the double lip seal and the shaft end cover Tap the seal out and discard Remove and discard all rubber and polymer seals Commercial 6 Parker Hannifin Corporation Gear Pump Division e Hydraulics Youngstown OH Start Assembly Here 1 Stone all machined surfaces with a medium grit carborundurn stone 3 Grip shaft end cover in vise with mounting face down Examine plug or plugs to be sure they re tightly in place Replacement is necessary only if parts are damaged Remove with screwdriver PGP PGM315 and 330 have two plugs in both the shaft end and port end PGP PGM 300 Series Service Manual HY09 SM300 US 2 If the bushings have been removed deburr the bushing bores with an emery cloth Rinse parts in a solvent Air blast all the parts and wipe with a clean lintless cloth before starting assembly 4 New plugs should be screwed in tightly Stake the plug with a prick punch at both ends of the screwdriver slot and around edges Peen the edge of the hole 1 32 to 1 16 with a
26. ry to adapt the OTC collets to this task Equivalent pullers from other suppliers may be modified in similar fashion L 015 H Maximum Typical Collet Al B Q Make Prot PumpMotor A B OTC Collet Ho aei feu Es a SEE am Ta 1208 4 330 Per PGP PGM _ 350 73054 1 iF 1260 IEI 43EB65 I 1872 ib i20 Bushing Installation Tool A 1 5 1 8620 Bearing Quality Steel Heal Treated Grid Aelel Allowable Special Steel Sleeve The special steel sleeve is used to insert the drive shaft through the lip seal without damage and can be made from bar stock For the PGP PGM315 use a 1 dia x 3 1 8 bar for the PGP PGM330 use a 1 1 8 or 1 1 4 dia x 4 5 8 bar for the PGP PGM350 use a 1 3 8 dia x 4 5 8 bar for the PGP r PGM365 use a 1 1 2 diax F 4 5 8 bar The drawing and chart give details for making this special tool Darker Commercial Hydraulics l A B C Dia D Dia Seal Removal Tool PGPIPEN 1 250 Easily made from an old screw driver Heat PerIpcH 1 250 the tip and bend as 1 625 shown Grind the tip Perren 82 coe to fit the notch behind the shaft seal 1 4 Hole Drill Through O15 x 45 DIS x 60 ai ol i PGP PGM un 0 OOF u 2 i 000 All edena surfaces musi be tree of scratches and burrs 015 x 60 4 Parker Hannifin Corporation Gear Pump Division Youngstown OH PGP PGM 300 Series Service Ma
27. straight edge in the cut out area replace the gear housing W amp Pressure pushes the gears against the housing on the low pressure side As the hubs and bushings wear the cut out becomes more pronounced Excessive cut outin a short period of time indicates excessive pressure or oil contamination If the relief valve settings are within prescribed limits check for shock pressures or tampering When the cut out is moderate 007 or less the gear housing is in good condition and may be reused a Gears Be Any scoring on gear hubs necessitates y E replacement Scoring grooving or burring of the outside diameter of the A _ teeth requires replacement Nicking Ej grooving or fretting of teeth surfaces also necessitates replacement NN Drive Shafts j f Replace if there is any wear X detectable by touch in the seal ma area or at the drive coupling The maximum allowable wear is 002 Wear in the shaft seal area indicates oil contamination Wear or damage to splines keys or keyways necessitates replacement Thrust Plates The thrust plates seal the gear section at Ku the sides of the gears Wear here will allow Ge internal slippage that is oil will bypass within the pump bi A maximum of 002 wear is allowable Replace thrust plates if they are scored eroded or pitted Check center of thrust plates where the gears mesh Erosion here indicates oil contamination Pitted thrust plates
28. the law of the State of Ohio No actions arising out of the sale of the items sold hereunder or this Agreement may be brought by either party more than two 2 years after the cause of action accrues 9 91 P Commercial Parker EA 3 Hydraulics Parker Hannifin Corporation Gear Pump Division Youngstown OH About Parker Hannifin Corporation Parker Hannifin is a leading global motion control company dedicated to delivering premier customer service A Fortune 500 corporation listed on the New York Stock Exchange PH our components and systems comprise over 1 400 product lines that control motion in some 1 000 industrial and aerospace markets Parker is the only manufacturer to offer its customers a choice of hydraulic pneumatic and electromechanical motion control solutions Our Company has the largest distribution network in its field with over 7 500 distributors serving more than 350 000 customers worldwide design manufacture and servicing of control systems and components for aerospace and related high technology markets while achieving growth through premier customer service The Aerospace Group is a leader in the development u and markets rigid and flexible connectors and associated products used in pneumatic and fluid systems The Hydraulics Group iin designs produces and T Fo markets a full spectrum of hydraulic components and systems to builders and users of industrial and mobile machi
29. ultiple assemblies only 21 Place the port end cover over the gear journals Align the dowels with the holes in the mating casting Being careful not to pinch the gasket seal tap the port end cover lightly in the center between bearing bores to engage the dowels and to move parts together in the final seating Commercial Hydraulics PGP PGM 300 Series Service Manual HY09 SM300 US 18 Insert the connecting shaft into the spline of the drive gear Position and place the second gear housing on the bearing carrier as outlined in Step 12 For multiple assemblies only 20 Check the plug or plugs in the port end cover to be sure that they are tight Follow the procedure outlined in Step 4 for new plugs For multiple assemblies only 22 Thread the fasteners into the shaft end cover and tighten alternately or cross corner Rotate the drive shaft with a 6 wrench to check for binding If there is no internal binding torque diagonally opposed fasteners to 200 ft Ibs 2400 in lbs 141 ft Ibs 1700 in lbs for PGP PGM315 models 450 ft lbs 5400 in lbs for PGP PGM365 Parker Hannifin Corporation Gear Pump Division Youngstown OH PGP PGM 300 Series Service Manual HY09 SM300 US Guideline for acceptable wear Gear Housings Wear in excess of 007 cut out necessitates replacement of the gear housing Place a straight edge across bore If you can slip a 007 feeler gage under the
Download Pdf Manuals
Related Search