HY13-1526-001-M1/US
Torqmotor™ Service Procedure
TC, TS, TB, TE and TJ Series
Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, TN 37745 US
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Preparation Before Disassembly
• Before you disassemble the Torqmotor™ unit or any of its components read this entire manual. It provides
important information on parts and procedures you will need to know to service the Torqmotor™.
• Determine the type of end construction from the alternate views shown on the exploded view.
• The TC, TS, TB & TE Torqmotors™ will have a 3.66 inch (92.9 mm) main body outside diameter and five or six
5/16-24 UNF 2A cover bolts. The TJ Torqmotors™ will have a 3.66 inch (92.9 mm) main body outside diameter
and six 5/16-24 UNF 2A cover bolts.
• Refer to “Tools and Materials Required for Services” section for tools and other items required to service the
Torqmotor™ and have them available.
• Thoroughly clean off all outside dirt, especially from around fittings and hose connections, before disconnect-
ing and removing the Torqmotor™. Remove rust or corrosion from coupling shaft.
• Remove coupling shaft connections and hose fittings and immediately plug port holes and fluid lines.
• Remove the Torqmotor™ from system, drain it of fluid and take it to a clean work surface.
• Clean and dry the Torqmotor™ before you start to disassemble the unit.
• As you disassemble the Torqmotor™ clean all parts, except seals, in clean petroleum-based solvent, and blow
them dry.
WARNING: petroleum-base solvents are flammable. Be extremely careful when using any solvent. Even a small
explosion or fire could cause injury or death.
WARNING: WEAR EYE PROTECTION AND BE SURE TO COMPLY WITH OSHA OR OTHER MAXIMUM AIR
PRESSURE REQUIREMENTS.
CAUTION: Never steam or high pressure wash hydraulic components. Do not force or abuse closely fitted parts.
• Keep parts separate to avoid nicks and burrs.
• Discard all seals and seal rings as they are removed from the Torqmotor™. Replace all seals, seal rings and
any damaged or worn parts with genuine Parker or OEM approved service parts.
Disassembly and Inspection