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WARNING: This product can expose 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
Catalog HY13-PMD600-SM/US
PGP/PGM 600 Series
Gear Pumps & Motors Service Manual
Catalog HY13-PMD600-SM/US
General Information
Use Genuine Parker Replacement Parts
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 the units
To facilitate the repair of these units, and before any work is done, we suggest that you rst read all of the steps used in
disassembly and assembly.
Dirt is the enemy of any hydraulic system. The rst 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 PGP620. 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 IN THE VISE TO AVOID DAMAGING MACHINED SURFACES
A pump must be driven in the direction of rotation for which it was built; otherwise, the 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 workmanship, 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.
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