Summary of Contents for Parker Hydraulics PGM 300 Series
- Page 1 Service Manual HY09-SM300/US Service Manual PGP/PGM315, 330, 350, 365 Effective: April 15, 2002 Supersedes: July 1, 1998 PGP/PGM 300 Series...
- Page 2 PGP/PGM 300 Series Service Manual HY09-SM300/US Cast Iron Housings SAE 2- or 4-Bolt Case Hardened Gears Mountings Single Pump Split-flange or ODT Ports High Temperature Seals Low-friction Bushing Coating One-piece Drive Balanced Thrust Plates Shaft & Gear Minimize Friction and Leakage...
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Page 3: General Instructions
PGP/PGM 300 Series Service Manual HY09-SM300/US 315/330/350/365 Service Manual General Instructions These service instructions will familiarize you with Parker's single and multiple pumps • their component parts • the relative position of each part • proper methods for assembly or disassembly of... -
Page 4: Tool List
PGP/PGM 300 Series Service Manual HY09-SM300/US Tool List Bushing Puller: The bushings in PGP/PGM315, 330, 350 and 365 pumps may be removed from their bores, using blind hole collet-type • Arbor press bushing pullers similar to those manufactured by Owatonna Tool Co. - Page 5 PGP/PGM 300 Series Service Manual 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).
- Page 6 PGP/PGM 300 Series Service Manual HY09-SM300/US 7) Carefully lift or pry off 8) Remove the the bearing carrier to connecting shaft. prevent damage to Remove the thrust plate. contact face and edges. Examine and replace if Dowel pins will remain in necessary.
- Page 7 PGP/PGM 300 Series Service Manual HY09-SM300/US Start Assembly Here 2) If the bushings have 1) Stone all machined been removed, deburr surfaces with a medium the bushing bores with an grit carborundurn stone. emery cloth. Rinse parts in a solvent. Air blast all...
- Page 8 PGP/PGM 300 Series Service Manual HY09-SM300/US 10) If the unit is equipped 9) Before inserting a new lip seal in the shaft end cover, with an outboard bearing, guide the bearing into its coat the outer edge of the lip seal and its recess with recess in the shaft end cover.
- Page 9 PGP/PGM 300 Series Service Manual HY09-SM300/US 18) Insert the connecting 17) Place the bearing shaft into the spline of carrier onto the journals the drive gear. Position of the drive and driven and place the second gears. Be sure to line up...
- Page 10 PGP/PGM 300 Series Service Manual HY09-SM300/US Guideline for acceptable wear Gear Housings Dowel Pins Wear in excess of .007" cut-out necessitates If either the dowel or dowel hole is damaged, replacement of the gear housing. Place a straight-edge the dowel or machined casting, or both, must across bore.
- Page 11 PGP/PGM 300 Series Service Manual HY09-SM300/US Lubrication and Oil Recommendations General Recommendations: All parts, with the exception of the outboard bearing, are lubricated by the hydraulic oil in the circuit. A good-quality hydraulic oil conforming to the Particular attention must be paid to keep clean oil in characteristics listed above is essential to the the circuit system.
- Page 12 PGP/PGM 300 Series Service Manual HY09-SM300/US Recommended Start-up Continued from the previous page Procedure For New or Rebuilt Pump The Use of Other Fluids: Before installing a new or rebuilt pump, back off the main relief valve until the spring tension on the •...
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Page 13: Recommended Test Procedure
PGP/PGM 300 Series Service Manual HY09-SM300/US Recommended Test Procedure Many repairmen measure the output at normal Make certain that there is an adequate supply of oil for operating speed and at zero pressure, then again at the pump; at least one gallon of oiI for each gpm of 1000 psi (or the operating pressure of the equipment) pump capacity. - Page 14 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.
- Page 15 PGP/PGM 300 Series Service Manual HY09-SM300/US Parker Hannifin Corporation About Parker Hannifin Corporation Parker’s Charter Parker Hannifin is a leading global motion-control To be a leading worldwide manufacturer of components company dedicated to delivering premier customer and systems for the builders and users of durable service.
- Page 16 Parker Hannifin Corporation Service Manual HY09-SM300/US 04/02 T&M 2.5M Gear Pump Division 1775 Logan Avenue Youngstown, OH 44501 USA Tel: (330) 746-8011 Fax: (330) 746-1148 www.parker.com...