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Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, Tennessee USA
HY13-1524-002-M1/US
Maintenance
Service Manual
HTG Series Integrated Hydrostatic Transmission
System Maintenance Tips
• Adjust fluid level in reservoir /expansion tank as necessary.
• Encourage all operators to report any malfunction or accident that may have damaged the hydraulic
system or component.
• Do not attempt to weld any broken HTG Transmission component. Replace any component with
original Parker parts.
• Do not cold straighten, hot straighten, or bend any HTG Transmission part.
• Prevent dirt or other foreign matter from entering the hydraulic system. Clean the area around the
filler caps before checking oil level.
• Investigate and correct any external leak in the hydraulic system, no matter how minor the leak.
• Comply with Parker specifications for cleaning or replacing the filter.
CAUTION
Do not weld, braze, solder or alter any HTG Transmission component.
CAUTION
CAUTION: Always carefully inspect any system component that may have been struck or damaged during
operation or in an accident. Replace any component that is damaged or questionable.
CAUTION
Do not mix oil types. Any mixture or unapproved oil could deteriorate the seals. When changing fluid,
completely drain old oil from the system and refill with HT-1000™.
If problems occur which you cannot solve, please contact your local dealer or OEM manufac-
turer's technical service department.
