85
Ser
vice
76-238 TROUBLESHOOTING CHECKLIST
HY13-1527-M1/US
Torqmotor™ Service Procedure
TF, TG, TH and TL Series
Parker Hannifin Corporation
Hydraulic Pump/Motor Division
Greeneville, TN 37745 US
7
Troubleshooting Checklist
1. Hose fittings loose, worn or
damaged.
2. Oil seal rings (4) deteriorated by
excess heat.
3. Special bolt (1, 1A, 1B or 1C)
loose or its sealing area
deteriorated by corrosion.
4. Internal shaft seal (16) worn or
damaged.
5. Worn coupling shaft (12) and
internal seal (16).
Oil Leakage
Check & replace damaged
fittings or “O” Rings. Torque to
manufacturers specifications.
Replace oil seal rings by disassembling
Torqmotor™ unit.
(a) Loosen then tighten single bolt to
torque specification.
(b) Replace bolt.
Replace seal. Disassembly of Torqmotor™
unit necessary.
Replace coupling shaft and seal by
disassembling Torqmotor™ unit.
Significant loss of
speed under load
1. Lack of sufficient oil supply
2. High internal motor leakage
3. Severely worn or damaged
internal splines.
4. Excessive heat.
(a) Check for faulty relief valve and
adjust or replace as required.
(b) Check for and repair worn pump.
(c) Check for and use correct oil for
temperature of operation.
Replace worn rotor set by disassembling
Torqmotor™ unit.
Replace rotor set, drive link and coupling
shaft by disassembling Torqmotor™ unit.
Locate excessive heat source (usually a
restriction) in the system and correct the
condition.
Low mechanical
efficiency or un-
due high pressure
required to operate
Torqmotor™ unit
1. Line blockage
2. Internal interference
3. Lack of pumping pressure
4. Excessive binding or loading in
system external to Torqmotor™
unit.
Locate blockage source and repair or
replace.
Disassemble Torqmotor™ unit, identify and
remedy cause and repair, replacing parts
as necessary.
Check for and repair worn pump.
Locate source and eliminate cause.
CAUTION: If the hydraulic system fluid becomes overheated [in excess of 200°F (93.3°C)], seals in the
system can shrink, harden or crack, thus losing their sealing ability.
Trouble
Cause
Remedy
Содержание 76-000-D
Страница 22: ...20 Parts ROLL OVER PROTECTION DRAWING...
Страница 24: ...22 Parts STEERING DRAWING...
Страница 26: ...24 Parts FRONT FORK DRAWING...
Страница 28: ...26 Parts GAS LINKAGE DRAWING...
Страница 30: ...28 Parts DIESEL LINKAGE DRAWING...
Страница 32: ...30 Parts GAS CONSOLE DRAWING...
Страница 34: ...32 Parts DIESEL CONSOLE DRAWING...
Страница 36: ...34 Accessories GAS TANK AND OIL TANK DRAWING...
Страница 38: ...36 Parts DIESEL FUEL TANK AND OIL TANK DRAWING...
Страница 40: ...38 Parts OIL FILTER DRAWING HYDRAULIC LIFT CYLINDER DRAWING...
Страница 42: ...40 Parts REEL LIFT CYLINDER DRAWING TAILGATE CYLINDER DRAWING...
Страница 44: ...42 Parts GAS ENGINE AND EXHAUST DRAWING...
Страница 46: ...44 Parts KUBOTA DIESEL ENGINE AND EXHAUST DRAWING...
Страница 48: ...46 Parts KUBOTA DIESEL ENGINE AND EXHAUST DRAWING CONTINUED...
Страница 50: ...48 Parts ELECTRIC CLUTCH DRIVEN BELT DRIVE DRAWING...
Страница 52: ...50 Parts FINGER BRUSH REEL DRAWING Do not lift reel head while engaged Turn off reel before lifting or lowering...
Страница 54: ...52 Parts Torque to 160 ft lbs 208Nm REAR AXLE DRAWING...
Страница 56: ...54 Parts REAR AXLE DRAWING Torque to 160 ft lbs 208Nm...
Страница 58: ...56 Parts HOPPER DRAWING...
Страница 60: ...58 Parts HOPPER DRAWING...
Страница 62: ...60 Parts TAILGATE DRAWING...
Страница 64: ...62 Parts 77 266 EATON HYDROSTATIC PUMP DRAWING DIESEL...
Страница 66: ...64 Parts 76 638 EATON HYDROSTATIC PUMP DRAWING GAS...
Страница 80: ...78 Service 76 197 REPAIR DISSASSEMBLY INSTRUCTIONS 7 Remove backplate...
Страница 81: ...79 Service 76 197 RERPAIR DISASSEMBLY INSTRUCTINOS...
Страница 82: ...80 Service 76 197 REPAIR INSPECTION...
Страница 83: ...81 Service 76 197 REPAIR REASSEMBLY INSTRUCTIONS...
Страница 84: ...82 Service 76 197 REPAIR REASSEMBLY INSTRUCTIONS 76 197 REPAIR TROUBLESHOOTING...
Страница 85: ...83 Service 76 197 REPAIR TROUBLESHOOTING...
Страница 110: ...108 Parts 76 271 DUST DIRT FILTRATION SYSTEM...