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HY13-1518-M1/USA
Low Speed High Torque, Hydraulic Motors
TK Series
Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, TN 37745 USA
Hydraulics
5
Introduction
This service manual has one purpose: to guide you in
maintaining, troubleshooting, and servicing the TK
Torqmotor (low-speed, high-torque hydraulic motor).
Material in this manual is organized so you can work on
the Torqmotor and get results without wasting 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. Column 2
explains in detail the procedure you should follow.
Column 3 illustrates this procedure with photographs.
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 component
part names and item numbers assigned on this ex-
ploded assembly view correspond with names and item
numbers (in parentheses) used in the disassembly 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 TK Distributors.
As you gain experience in servicing the Torqmotor, 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 Torqmotor should be a safe and
productive procedure, in order for the unit to deliver the
reliable, long-life operation engineered into it.