CAUTION Read and understand all safety warnings and instructions. The Air Powered Lug Chuck is under spring tension. Wear eye protection when using tools or compressed air. Tidland recommends the use of a hoist for lifting and installing the chuck and/or adapter.
3" AIR POWERED LUG CHUCK Technical Overview The 3" Air Powered Lug Chuck uses pneumatic actuation of a rolling diaphragm, piston and wedge block to expand three cast steel lugs. The serrated, wide-footprint lugs distribute internal core pressure that results in 500-600 ft·lbs (6000-7200 in·lbs) of potential torque, depending upon core material.
3" AIR POWERED LUG CHUCK Assembly Diagram and Parts List Part No. 692374 PART NO. ENKEL NO. ITEM DESCRIPTION 692374 697300 GUIDE PIN 690391 690391 SOC HD CPSCR 3/8-16NC X 1.5" LG (GRADE 8) 599047 599047 586177 586177 3" AP CHUCK BODY 692373 692373 AIR FILTER...
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3" AIR POWERED LUG CHUCK Assembly Diagram and Parts List Actuator Assembly Parts 16 (Enkel only) PART ENKEL ITEM DESCRIPTION PART NO. WEDGE BLOCK 570603 570603 ROLL PIN 3/16" DIA X 7/8" LG 597402 597402 PISTON 572030 572030 SOC HD CPSCR 1/2-13NC X 1" LG (GRADE 8) 584626 584626 DIAPHRAGM...
6. Install the roll/core, making sure that the core fully covers the lugs. Chuck is ready for use. To install the Tidland Raptor Series 3"- 6" Adapter, see page 24. Operation BODY HAZARD. Core must fully cover lugs during operation.
3" AIR POWERED LUG CHUCK Maintenance If compressed air does not remove dust or debris buildup, or if lugs are sticking, Tidland recommends removing the lugs for cleaning and lubrication. This can be done without removing the chuck from the machine. Periodic Cleaning –...
3" AIR POWERED LUG CHUCK Complete Disassembly – Remove Chuck from Machine Tidland recommends complete disassembly for cleaning and lubrication every 6 months; in severe applications, more frequent maintenance may be necessary. The chuck must be removed from the machine for complete disassembly. 1.
3" AIR POWERED LUG CHUCK 10. Turn the chuck on its side and push on the wedge block to remove the actuator assembly (Fig. 7). If it is not easily removed, gently tap the wedge block with a soft blunt object (wood or aluminum) until the actuator assembly is loose.
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3" AIR POWERED LUG CHUCK Reassemble Chuck 1. Reinstall actuator assembly in the chuck body. Make sure that the wiper seal is in place in the body. Note: To reinstall the lugs, slots in wedge block must align with lug slots in chuck body. 2.
3" AIR POWERED LUG CHUCK Replace Diaphragm Correct orientation of the folded diaphragm is essential for proper operation. It is not necessary to remove the lugs or actuator assembly to replace the diaphragm. Removing 1. Remove adapter from chuck (page 25), if installed. 2.
6" AIR POWERED LUG CHUCK Technical Overview The 6" Air Powered Lug Chuck uses pneumatic actuation of a rolling diaphragm, piston and wedge block assembly to expand five cast steel lugs. The serrated, wide-footprint lugs distribute internal core pressure that results in up to 1,000 ft·lbs (12,000 in·lbs) of potential torque, depending upon core material.
6" AIR POWERED LUG CHUCK Assembly Diagram and Parts List Part No. 641015 691294 (after Nov 2008) PART NO. PART NO. ITEM DESCRIPTION 641015 691294 6" AP CHUCK BODY 641016 691292 641026 641026 INSERT, BRONZE 641742 641742 GUIDE PIN 550568 690391 WEDGE BLOCK * 645515...
6" AIR POWERED LUG CHUCK Installation Use a hoist and safe handling procedures during installation. WARNING Chuck weight is 70 lbs. It is equipped with a 3/8-16 threaded hole to accommodate a screw eye for lifting. O-RING 1. Before mounting, ensure the o-ring is installed on the chuck. If it is not installed, see PARTS LIST on page 15 and order a replacement.
6" AIR POWERED LUG CHUCK Maintenance If compressed air does not remove dust or debris buildup, or if lugs are sticking, Tidland recommends removing the lugs for cleaning and lubrication. This can be done without removing the chuck from the machine. Periodic Cleaning –...
6" AIR POWERED LUG CHUCK Complete Disassembly – Remove Chuck from Machine Tidland recommends complete disassembly for cleaning and lubrication every 6 months; in severe applications, more frequent maintenance may be necessary. The chuck must be removed from the machine for complete disassembly. ...
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6" AIR POWERED LUG CHUCK Remove the Actuator Assembly 7. Turn the chuck on its side. 8. Push the actuator assembly out. If it is not easily removed, gently tap the wedge block with a soft blunt object (wood or aluminum) until the assembly is loose. Note: It is not normally necessary to remove the bronze inserts;...
6" AIR POWERED LUG CHUCK Disassemble the Actuator Assembly (continued) PISTON 7. Remove the bolt (use 3/8" hex drive) that holds BOLT the piston to the wedge block assembly. ROLL PIN 8. Lift the piston off the wedge block. SPRING 9.
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6" AIR POWERED LUG CHUCK Install the Actuator Assembly 8. Clean chuck body, lugs and bronze inserts (if removed). Lubricate lugs, lug slots and wedge block with silicone dry film lubricant. Ensure wear surfaces are free from debris and corrosion NOTICE before applying dry film lube.
6" AIR POWERED LUG CHUCK Replace the Diaphragm (Without Complete Disassembly) JACKING SCREWS Removal DIAPHRAGM 1. Remove adapter from chuck (page 25), if installed, and DIAPHRAGM remove the chuck from the machine. RETAINER RING 2. Place the chuck on workbench with diaphragm retainer ring facing up.
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Intentional Blank Page www.maxcessintl.com Tidland Raptor AP Chuck MI 660290 1 P Page 23 of 28...
RAPTOR SERIES CHUCK ADAPTERS For complete operation and maintenance instructions for the Raptor Series Chuck Adapters, please see Tidland publication 643236. The information provided here covers basic installation only. 3" Adapter Series 3" – 5" – Part No. 622178 These adapters are installed only onto the Tidland Raptor Series 3"...
RAPTOR SERIES CHUCK ADAPTERS 6" Adapter Series 6"- 8" – These adapters are installed only onto the Tidland Raptor Part No. 670787 Series 6" Air Powered Lug Chuck to run 8", 10", or 12" core 6"- 10" – Part No. 670093 applications.
TROUBLESHOOTING Problem Possible Cause Recommended Solution Page – Lugs do not retract Chuck not fully deflated Deflate chuck. fully 3" – 11 Spring is broken Replace spring. 6" – 20 – Air system failure See next item below. Air system failure Air leak due to damaged Inspect diaphragm for holes or 3"...
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