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HY13-1518-M1/USA
Hydraulics
TK Series
Service Procedure
Effective: July, 2001
Low Speed High Torque,
Hydraulic Motors
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA TK Series WARNING FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker Hannifin Corporation, its subsidiaries and authorized distributors provide product and/or system options for further investigation by users having technical expertise. It is important that you analyze all aspect
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Table of Contents TK Series Definitions ............................................................................................................................................................... 3 Design Features ...................................................................................................................................................... 4 Introduction ...........................................................
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA TK Series Torqmotor Design Features COUPLING SHAFT HIGH PRESSURE SEAL HEAVY DUTY DRIVE LINK TOOTH SPLINE HOUSING DIRT & WATER SEAL HEAVY DUTY BEARING HIGH SPEED COMMUTATOR MATCHED ROTOR SET TK Series features include: The roller vane rotor set design offers low-friction and wear compensation which maximizes the useful performance life of the motor. • Zero leak commutation valve provides greater, more consistent volumetric efficiency. H
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Introduction TK Series This service manual has one purpose: to guide you in provided several places in this manual. The component maintaining, troubleshooting, and servicing the TK part names and item numbers assigned on this ex- Torqmotor (low-speed, high-torque hydraulic motor). ploded assembly view correspond with names and item numbers (in parentheses) used in the disassembly and Material in this manual is organized so you can work on
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Troubleshooting Guide TK Series NOTE: Before troubleshooting any system problem, check service literature published by the equipment and/or component manufacturers. Follow their instructions, if given, for checking any component other than the Torqmotor unit. Preparation Hydraulic Components Make your troubleshooting easier by preparing as If you think the problem is caused by a hydraulic follows: component, start by checking the easy-to-r
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Troubleshooting Checklist TK Series Trouble Cause Remedy Oil Leakage 1. Hose fittings loose, worn or Check & replace damaged damaged. fittings or “O” Rings. Torque to manufacturers specifications. 2.Oil seal rings (5) deteriorated by Replace oil seal rings by disassembling excess heat. Torqmotor unit. 3.Special bolt (1) (a) Loosen then tighten single bolt to loose or its sealing area torque specification. deteriorated by corrosion. (b) Rep
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Tools and Materials Required for Servicing TK Series Clean, petroleum-based solvent Emery paper Vise with soft jaws Air pressure source Arbor press Screw driver Masking tape Breaker bar Torque wrench-ft. lbs. (N m) Sockets: 1/2 or 9/16 inch thin wall, 1 inch Allen Sockets: 3/16, 3/8 inch Adjustable crescent wrench or hose fitting wrenches SAE 10W40 SE or SF oil Special bearing mandrel for TK Torqmotor (SEE FIGUR
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Technical Information TK Series CONVERSIONS INCHES mm INCHES mm .020 .51 1.060 26.92 .021 .53 1.295 32.89 .029 .74 1.297 32.94 .030 .76 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
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Exploded View TK Series Typical Assembly 11 5 14b 12 13 14a 14 1 15 16 17 16 18 19 3 20 4 2 9a 5 9b 21 6 22 5 23 7 8 9c 9 Matched Set 5 10 Item No. Description 1 Special Bolt 14 Coupling Shaft 2 Endcover 14a Key 14b Nut 3 Seal Ring - Commutator 15 Radial Bearing 4 Commutator 5 Seal Ring 16 Thrust Washer 6 Manifold 17 Thrust Bearing 7 Retaining Ring 18 Shaft Seal 19 Back Up Washer 8 Rotor Washer 20 Back Up Ring 9 Rotor Set
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Service Parts List Chart TK Series Chart Use Example: TK0200K5320AAAB Torqmotor includes part numbers listed to the right of TK (SERIES), 0200 (DISP.), K (MOUNTING), 5 (PORTING), 32 (SHAFT), 0 (ROTATION), and AAAB (OPTION) shown in the left hand column of the chart. Caution: The charted component service information is for the Torqmotors listed only. Refer to the original equipment manufacturer of the equipment using the Torqmotor for asse
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series 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. 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
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series Reference Exploded Assembly View Place 1. Place the Torqmotor in a soft jawed vice or similar support, with coupling shaft (14) Torqmotor pointed down and the vise jaws clamping in a vise firmly on the sides of the housing (21) mounting flange. WARNING IF THE TORQMOTOR IS NOT FIRMLY HELD IN THE VISE, IT COULD BE DISLODGED Figure 2 DURING THE SERVICE PROCEDURES, CAUSING INJURY. Scribe alignment 2. Scribe
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series Remove end 4. Remove end cover (2) and seal ring (5). cover & Discard seal ring. SEE FIGURE 5. inspect bolts Figure 5 Wash & inspect 6. Thoroughly wash end cover (2) in proper end cover solvent and blow dry. Be sure the end cover flow areas, are free of contamination. Inspect end cover for cracks and the bolt head recesses for damage. Replace end cover as necessary. SEE FIGURE 6. A polished pattern (not
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series Remove 9. Remove manifold (6) and inspect for cracks manifold surface scoring, brinelling or spalling. Replace manifold if any of these conditions exist. SEE FIGURE 9. A polished pattern on the ground surface from commutator or rotor rotation is normal. Remove and discard the seal ring (5). NOTE The manifold is constructed of plates bonded together to form an integral component not Figure 9 subject to f
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series NOTE Series TK Torqmotor may have a rotor set with two stator halves (9B) with a seal ring (5) between them. Discard seal ring only if stator halves become disassembled during the service procedures. NOTE A polished pattern on the wear plate from rotor rotation is normal. Check rotor, 11. Place rotor set (9) and wear plate (10) on a vane clearance flat surface and center rotor (9a) in stator (9b) such t
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series Check coupling 14. Check exposed portion of coupling shaft (14) shaft for rust to be sure you have removed all signs of rust or corrosion and corrosion which might prevent its withdrawal through the seal and bearing. Crocus cloth or fine emery paper may be used. Remove any key (14A), nut (14B), washer, bolt, or lock washer still attached to the shaft. Remove & 15. Remove coupling shaft (14), by pushing
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series 18. Remove seal (18), backup washer (19), and backup ring (20) from TK Series Torqmotor housing by working them around unseated thrust washers (16) and thrust bearing (17) and out of the housing. Discard seal and washers. SEE FIGURE 16. Figure 16 Remove dirt 19. Remove housing (21) from vise, invert it and & water seal remove and discard seal (23). A blind hole bearing or seal puller is required. SEE FI
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Disassembly and Inspection TK Series Inspect housing 21. If the housing (21) assembly has passed bearings inspection to this point, inspect the housing bearings (22) and (15) and since they are captured in the housing cavity, the two thrust washers (16) and thrust bearing (17). The bearing rollers must be firmly retained in the bearing cages, but must rotate and orbit freely. All rollers and thrust washers must be free of brinelling and co
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Low Speed High Torque, Hydraulic Motors HY13-1518-M1/USA Torqmotor Assembly TK Series Replace all seals and seal rings with new ones each time you reassemble the Torqmotor unit. Lubricate all seals and seal rings with SAE 10W40 oil or clean grease before assembly. NOTE: Complete seal kits are available. SEE FIGURE 22. The parts should be available through most OEM parts distributors or Parker approved Torqmotor distributors. (Contact your local dealer for avail- ability). NOTE: Unless othe
