Parker HTG Series User Manual

Service Manual
HTG Series Integrated Hydrostatic Transmission
4
Parker Hannin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA
HY13-1524-002-M1/US
General Information
Introduction
The three-column format used in this Service Manual will help make it easy for you to service a HTG Series
Integrated Hydrostatic Transmission. Column one illustrates the procedure, column two gives a brief key for each
step, and column three explains in detail the procedure you should follow. Pay special attention to the notes,
cautions and warnings.
This manual contains troubleshooting information and checklists. With them you can potentially diagnose a hy-
draulic system problem without removing the HTG Transmission, the checklists will help you to determine where
the problem may be.
Item numbers on the exploded view correspond with item numbers used throughout the Service Manual. As you
gain experience in servicing HTG Transmission, you may nd that some information in this Service Manual could
be clearer and more complete. If so, please contact your local dealer or OEM manufacturer's technical service
department. Don’t try to second-guess the Service Manual; if problems occur that you cannot solve, please con-
tact your local dealer or OEM manufacturer's technical service department.
Design Features
HTG Transmission
• High efciency results in a cooler running system
• Top housing is sturdy, lightweight aluminum, excellent at dispersing heat, resulting in an overall cooler system
• High capacity thrust bearing provides longer transmission life
Torqmotor
• Roller vane to reduce friction and internal leakage and to maintain efciency
• A patented orbiting commutator system for less wear and longer life
• A unique high-pressure shaft seal
• Manifold designed to improve operating efciency
• Roller vane and sealed commutation assure high volumetric efciency and smooth low speed operation
Conversions
INCHES mm INCHES mm
.020 .511 1.060 26.92
.021 .531 1.295 32.89
.029 741 1.297 32.94
.030 .760 1.396 35.46
.111 2.81 1.398 35.51
.119 3.02 1.620 41.15
.152 3.86 1.622 41.20
.160 4.06 1.983 50.37
.296 7.52 1.985 50.42
.304 7.72 2.120 53.85
.460 11.68 2.122 53.90
.470 11.94 2.233 56.72
.500 12.70 2.235 56.77
.585 14.86 2.483 63.07
.595 15.11 2.485 63.12
.660 16.76 2.500 63.5
.675 17.15 2.88 73.2
1.058 26.87

Parker HTG Series Specifications

General

Brand	Parker
Model	HTG Series
Category	Industrial Equipment
Language	English