Table of Contents
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Table of Contents
Troubleshooting
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Summary of Contents for Kuhns mfg Tie Grabber Series
- Page 1 KUHNS MFG LLC Owner’s Manual Tie Grabber Series Operator’s Manual for the Kuhns Mfg LLC Tie Grabber Series Read and Understand the manual. This manual provides information and MADE IN THE USA procedures to safely operate and maintain the KN Series Tie Grabbers.
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Page 3: Table Of Contents
Contents SAFETY..................3 General . - Page 4 LUBRICATION ................22 Main Frame .
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Page 5: Safety
Safety Safety Alert Symbols General This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Most work related accidents are caused by failure to Obey all safety messages that follow this observe basic safety rules or precautions. An accident symbol to avoid possible injury or death. -
Page 6: Safety Icons Nomenclature
Safety Icons Nomenclature Safety alert symbol This manual and the equipment has numerous safety icons. These safety icons provide important operating instructions which alert you to potential Sharp object hazard personal injury hazards Zero pressure Entanglement hazard Read the manual Defective or broken part Maintenance procedure Maintain safe distance... -
Page 7: General Operating Safety
General Operating Safety Safety Signs DANGER CAUTION Legible Safety Signs Electrocution Hazard Keep safety signs clean and legible at all times. Despite operating precautions, Replace any safety sign or instruction sign that equipment can come in contact with is missing or not legible. Refer to the Safety electrical lines. -
Page 8: Definitions
Definitions Tie Grabber Attachment Mounting onto Front End Loader or Skid Machine - Either a front end loader or a skid steer loader. Steer Loader Unit - One of the available Tie Grabber attachments. The units come equipped with either a front end loader Specifications mounting bracket or a skid steer mounting bracket. -
Page 9: (Version 2 Manifold)
(Version 2 Manifold) The four hydraulic ports are: Port 1 — Used to release or raise the bale hooks and open the squeeze arm. Port 2 — Used to close the squeeze arm and set or lower the bale hooks. Port 3 —... -
Page 10: Optional Method (Splitter Attachment)
Optional Method (Splitter Attachment) The optional splitter valve kit allows the tie grabber to operate using the two standard attachment ports found on most machines. The optional valve allows the operator to divert oil fl ow from the squeeze arm and bale hook circuit to the swing arm and knotter circuit by simply pushing and holding a button. -
Page 11: Threading Twine Into The Twine Arm
3. Route and secure control wires (6) from the valves, Note: The operating direction of the twine arm and along the bucket arm, and into the cab. the squeeze arm/hooks should be set to the end users preference. NOTICE NOTICE To prevent damage, route the wire in such a manner that it will not be damaged when the liftarms of the machine Check the machine’s hydraulic reservoir, after... - Page 12 10. Press and hold the lever/control for the “Twine Arm Return” circuit to return the twine arm to its retracted position. KN408-83 4. Thread the twine through the tension bars and through the fi rst twine eyelet. 5. Thread the twine through the two eyelets on the twine arm as shown.
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Page 13: Operation
Operation Safety WARNING Not following these safety instructions can result in serious injury and possible death. Read and understand the Operator’s Manual and all safety signs before operating the unit. Do not allow riders on the unit or the machine. Stop machine’s engine, remove ignition key, and wait for all moving 3. - Page 14 5. Press and hold the lever/control for the “Twine Arm Note: In some cases, fully opening the squeeze arm Forward” circuit to extend the twine arm around without lifting the unit off of the bales, can cause the bales. Releasing the lever at any point in the the twine to break.
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Page 15: Operation Using Optional Hydraulic Splitter Valves
Operation Using Optional Hydraulic 2. At the same time the needle goes into the knotter, the Splitter Valves twine arm presses down on the actuation plate (a) which presses on the adjustment bolt (b) and opens 1. Position the unit over the bales. the fl... - Page 16 3. The hydraulic motor, through the drive chain, turns the When the twine arm returns to its retracted position, the shaft for the knotter assembly. As the cam (1) on the actuation plate releases the fl ow control valve and stops shaft rotates, it contacts the rocker arm (2) which then hydraulic oil fl...
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Page 17: Maintenance
Maintenance Setting Priority Valve (early versions) Flow Control Valve The priority valve controls the speed of the twine arm as it extends into the knotter. Setting Early Versions The recommended setting for this valve is Position 4. The fl ow control needle valve restricts the fl ow of oil to the Once valve handle (1) is properly set, tighten locking twine arm. -
Page 18: Sequence Valves
Sequence Valves Twine Arm Drive Chain The sequence valves are factory preset. If the valves Periodically check the chain that operates the twine arm. need to be replaced or adjusted, call the factory for There should be approximately 1/2 inch (12 mm) of play further instructions. -
Page 19: Knotter Drive Chain
Knotter Drive Chain Twine Tensioner Periodically check the chain that operates the twine arm. The twine tension can be increased or decreased using There should be approximately 1/8 inch to 1/4 inch of play bolts (3) to vary the spring pressure on spring plate (2). in the chain. - Page 20 Testing and Adjusting Knotter Assembly To test or adjust the knotter, remove the knotter drive chain and turn the knotter by hand. This shows each part working and allows any necessary adjustments. CAUTION PINCH POINT Keep hands and fingers away from rotating and/or mating parts to prevent injury.
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Page 21: Twine Arm Stop Bumper
5. Tucker fi nger (2) holds twine (1) as bill hook fi nger (5) NOTICE rotates upward. If the bill hook fi nger does not catch both strands of twine, the tucker fi nger may need to be The rocker arm and the stripper finger can come into adjusted inward. -
Page 22: Tucker Finger Adjustment
Tucker Finger Adjustment • If the bill hook is clamping too tightly, the knot will jam in the mouth of the bill hook (3) and the twine will If the tucker fi nger does not extend far enough into the break. -
Page 23: Twine Clamping Force
Twine Clamping Force 1. To adjust knife arm (3), release the knotter frame to gain access to the knife arm. The clamping force of the twine holder should hold the twine tightly enough to prevent it from slipping out of the 2. -
Page 24: Cam Gear Adjustment
Lubrication Cam Gear Adjustment The gap (1) between the hub face and the cam gear Main Frame should not exceed 0.016”. To adjust this gap, install or The following locations should be lubricated every remove fl at shims under the hub face in location (2). 75 to 100 cycles of the machine. -
Page 25: Knotter Lubrication
KN408-82 Knotter Lubrication 1. Remove old grease, dirt, twine debris, etc. before applying new grease. 1. Apply grease to the fi ve knotter grease zerks daily, before each use. 2. Lightly grease the sliding surfaces and gear teeth of the cam gears daily. Tie Grabber Kuhns Manufacturing (877-296-5851) -
Page 26: Storage
Storage WARNING Not following these safety instructions can result in serious injury and possible death. Read and understand the Operator’s Manual and all safety signs before moving the unit. Do not permit anyone, especially children to play on or around the stored unit. 1. - Page 27 NOTES Tie Grabber Kuhns Manufacturing (877-296-5851)
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Page 28: Manifold Hose And Valve Locations
Manifold Hose and Valve Locations Item Description Knotter Speed Needle Valve Twine Arm Forward Speed Twine Arm Return Speed Crossover Relief Valve Check Valves, Non-Adjustable Squeeze Arm and Hook Return Squeeze Arm and Hook Pressure Twine Arm and Knotter Pressure Twine Arm and Knotter Return Kuhns Manufacturing (877-296-5851) Tie Grabber... - Page 29 Manifold Hose and Valve Locations (continued) Item Description Knotter motor pressure - to plunger valve Knotter motor return - from knotter motor Twine arm forward - to twine arm motor Twine arm return - from twine arm motor Squeeze arm close - to cap end of cylinder Squeeze arm open - to rod end of cylinder Hook set - to cap end of cylinder Hook release - to rod end cylinder...
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Page 30: Troubleshooting
Troubleshooting Problem Cause Solution Sequence Valves for Hooks and Squeeze Arm Hooks are set into the bales before the Sequence valve is improperly Adjust sequence valve in a CW squeeze arm closes completely. adjusted. direction. Adjustments should be no more than 1/4 turn at a time. Retest the operation between each adjustment. - Page 31 Problem Cause Solution Flow Control Valves Twine arm speed into knotter is too Flow control valve setting is too high. Adjust the fl ow control valve CW to fast. reduce the speed. Twine arm does not return or slowly Flow control valve setting is too low. Adjust the fl...
- Page 32 Problem Cause Solution Knotter Knotter is not functioning correctly. Contact between knotter shaft cam Reposition the cam using the split line and rocker arm is out of time. between the two piece casting of the knotter. Tucker fi nger is not returning to Spring is stretched, missing, or retracted position.
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Page 33: Troubleshooting Valve Settings
Troubleshooting Valve Settings Note: Whenever adjusting the settings on needle Item Description and Adjustment Specifi cations valves or relief valves, loosen the jam before making Twine Arm Forward Speed FLow Control Valve the adjustment with an Allen wrench. Once the valve is CW - Decrease Speed adjusted correctly, use the Allen wrench to prevent the CCW - Increase Speed... -
Page 34: Parts Section
Parts Section Ordering Parts We manufacturer a quality product that requires very little maintenance or repair. However, should a part break or become damaged, our knowledgeable staff can make sure you receive the part(s) to put your unit back into operation. -
Page 35: Tie Grabber Frame And Squeeze Arm
Tie Grabber Frame and Squeeze Arm KN408-87 Item Part Number Description Qty. Item Part Number Description Qty. T-142 Collar, Front T-190 Chain Guard, Knotter Hyd-20008 Cylinder, Hydraulic, 2” x 16” T-162 Shaft, Knotter T-100 Arm, Squeeze PT-04 Bearing, Knotter T-141 Bracket, Squeeze Arm, Rear Hyd-401 Valve, Plunger... -
Page 36: Bale Hook Assembly
Bale Hook Assembly KN408-85 Item Part Number Description Qty. Hyd-20008A Cylinder, Hydraulic, ASAE, 2” x 8” G-62 Arm, Actuator F-012LN Nut, Lock, 1/2” F-5038212 Bolt, 3/8” x 2-1/2”, Grade 5 F-038FN Nut, Flange, 3/8” G-10 Bar, Center F-5012700 Bolt, 1/2” x 7”, Grade 5 G-21 Hook, Bale G-40... -
Page 37: Twine Arm And Motor Assembly
Twine Arm and Motor Assembly KN408-86 Item Part Number Description Qty. T-80 Catcher, Twine T-60 Shield, Chain T-351 Chain, #50 T-300 PT-201 Sprocket, #50, 14-Tooth, 1” Shaft Hyd-601 Plate, Mounting, Motor, Hydraulic Hyd-202 Motor, Hydraulic T-181 Arm, Twine T-193 Guide, Twine, Ceramic T-41 Shaft, Twine Arm T-43... -
Page 38: Knotter Assembly
Knotter Assembly Kuhns Manufacturing (877-296-5851) Tie Grabber... - Page 39 Item Part Number Description 10-0001 Complete Knotter Assembly 45-0002 Cleaner, Disc 45-0003 Driver, Complete 45-0004 Holder, Twine 45-0005 Hook, Bill, Complete — Finger, Hook, Bill (not serviced separately) — Pin, Bill (not serviced separately) 40-0001 Zerk, Grease, 90° 45-0006 Shaft, Worm, Complete 45-0007 Shim 45-0008...
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Page 40: Hose Assemblies
NOTES Kuhns Manufacturing (877-296-5851) Tie Grabber... - Page 41 NOTES Tie Grabber Kuhns Manufacturing (877-296-5851)
- Page 42 NOTES Kuhns Manufacturing (877-296-5851) Tie Grabber...
- Page 44 Kuhns Mfg LLC 4210 Kinsman Rd NW North Bloom ield, OH 44450 (877) 296-5851 www.kuhnsmfg.com 1008420 Rev. A Revised 6-2018...
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