HY13-1527-M1/US
Torqmotor™ Service Procedure
TF, TG, TH and TL Series
Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, TN 37745 US
5
Introduction
This service manual has one purpose: to guide you
in maintaining, troubleshooting, and servicing the TF,
TG, TH and TL Torqmotor™ (low-speed, high-torque
hydraulic motor).
Material in this manual is organized so you can work
on the Torqmotor™ 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 Torqmotor™.
This manual also contains troubleshooting information
and checklist. If you must service the Torqmotor™,
the checklist will help you to determine where the
problem may be.
The three-column format of the Disassembly and
Inspection, and Assembly sections will make it easier
for you to conduct major work on the Torqmotor™.
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.
A page with the Torqmotor™ exploded assembly view
is provided several places in this manual. The compo-
nent part names and item numbers assigned on this
exploded assembly view correspond with names and
item numbers (in parentheses) used in the disassem-
bly and assembly procedures set forth in this manual.
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.
Service parts are available through the Original Equip-
ment Manufacturer or Parker approved TF, TG, TH
and TL Torqmotor™ Distributors.
As you gain experience in servicing the Torqmotor™,
you may nd 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 Torqmotor™
should be a safe and productive procedure, in order
for the unit to deliver the reliable, long-life operation
engineered into it.
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