HY13-1597-01/US
3Z Motor Service Procedure
3ZG Series
Parker Hannifin Corporation
Hydraulic Pump & Motor Division
Greeneville, TN 37745 US
4
This service manual has one purpose: to guide you
in maintaining, troubleshooting, and servicing the 3Z
Motor Series.
Material in this manual is organized so you can work on
the 3Z Motors and get results without wast ing time or
being confused. To get these results, you should read
this entire manual before you begin any work on the
3Z motor.
This manual also contains troubleshooting information
and checklist. If you must service the 3Z motor, the
checklist will help you to determine where the problem
may be.
The three-column format of the Disassembly,
Inspection, and Assembly sections will make it easier for
you to conduct major work on the 3Z motor.
Column 1 gives a brief key for each procedure.
Col umn 2 explains in detail the procedure you should
follow. Column 3 illustrates this procedure with
pho tographs. Read all material carefully and pay special
attention to the notes, cautions, and warnings.
Service part list charts are also provided in this manual
with the part names and exploded view item numbers
cross referenced to Parker service part numbers.
As you gain experience in servicing the 3Z motor, you
may find that some information in this manual could be
clearer or more complete. If so, let us know about it. Do
not try to second guess the manual. If you are stuck,
contact us. Servicing the 3Z motor should be a safe and
productive procedure, in order for the unit to deliver the
reliable, long-life operation engineered into it.
Introduction
