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  • Page 1 Operation Manual...
  • Page 2 ABOUT TRI TOOL TECHNOLOGIES At Tri Tool, we are committed to your success through relentless innovation and powerful partnership. We insist on developing tools and equipment that exceed your expectations of performance, precision, safety, and durability. As a full-service engineering firm, we are here to support you every step of the way.
  • Page 3: Table Of Contents

    Table of Contents Warranty ........... 4 About the Manual.
  • Page 4: Warranty

    TRI TOOL INC. TRI TOOL INC. Warranty LIMITED WARRANTY: All products manufactured by Seller are warranted to be free from defects in materials and workmanship under normal use. The period of this warranty shall be three years from the date of shipment for all products, except for welding and Non- Standard Products which shall be one year from the date of shipment.
  • Page 5 Model 302 Tube Squaring Machine Buyer’s notice of a defective Goods must identify the specific Goods affected, and the nature of the defect. It is required when returning the defective Goods, that it is suitably packed, fully insured, and transportation and insurance prepaid in accordance with instructions issued by Seller.
  • Page 6: About The Manual

    The instructions and descriptions in this manual were accurate when the manual was written. However, the information in the manual is subject to change without notice. Check for updated information before you start any job. The Tri Tool Inc. web site has the most current information.
  • Page 7 Model 302 Tube Squaring Machine SAFETY GLASSES: Indicates a hazardous situation that requires the use of safety glasses. GLASSES HOT SURFACE: Indicates a hazardous situation that hot surfaces may be present. HOT SURFACE GLOVES: Indicates a hazardous situation that requires glasses.
  • Page 8: Safety Precautions

    TRI TOOL INC. 2. SAFETY PRECAUTIONS In General Use standard safety equipment such as: hard hats, safety shoes, safety harnesses, protective clothes, and other safety devices when appropriate. Operate this tool only in accordance with specific operating instructions. WARNING: Do not override the dead-man switch on the power unit. Locking down, obstructing, or in any way defeating the dead-man switch on the power drive unit may result in serious injury.
  • Page 9 Before you start operating the equipment, do no-load tests and feed function checks. Tool Use Use the right tool and tool bit for the job. Contact Tri Tool to help with your application. Keep the tool bits fully engaged in the tool bit holders. Loose bits are sharp and can cause cuts or punctures.
  • Page 10: General Description

    The Model 302 Tube Squaring Tool, a bench mounted machine, prepares tubes for autogenous welding. The 302 will face (square) .188” to 2.375” (4.8 mm to 60.3 mm) outside diameter tubing with a wall thickness up to .200” (5.1 mm).
  • Page 11: Specifications

    Model 302 Tube Squaring Machine 4. SPECIFICATIONS Model 302A with Air Motor (P/N 01-1271) 12.80" (325.1mm) Clamp Handle 5.20" (132.1mm) 8.57" (217.7mm) Cutter Feed Head Handle Tool Bit Slots 9.57" Air Motor (243.1mm) Base Plate 12.00" (304.8mm) 12.00" (304.8mm) Figure 1: Envelope Drawing with Air Motor Weight: 18.5 lbs (8.4 kg) without saddles...
  • Page 12 TRI TOOL INC. Model 302A with Electriic Motor 15.00" (381.0mm) 8.57" (217.7mm) Clamp 5.20" (132.1mm) Handle Cutter Head Feed Tool Bit Slots Handle Electric 9.57" Motor (243.1mm) Base Plate 12.00" (304.8mm) 12.00" (304.8mm) Figure 2: Envelope Drawing with Electric Motor...
  • Page 13: Maintenance

    Ÿ The air supply for the Model 302A with an air motor should include an adequate filter, regulator and lubricator (FRL). Ÿ If the Model 302 is operated in the vertical position (cutting head up), turn it upside down and remove the chips and/other debris after each bevel has been completed.
  • Page 14 Lubricant Recommendations The air motor requires a ‘Class 2’ lubricant, viscosity of 100 to 200 SSU at 100° F (38° C). Ÿ Tri Tool Inc. – Air Tool Lubricant (P/N 68-0022) Ÿ AMOCO – American Industrial Oil No. 32 Ÿ Atlantic Richfield – Duro Oil S-150 Ÿ...
  • Page 15: Operation

    CAUTION: The use of dull or improperly designed Tool Bits or Tool Bits not manufactured by Tri Tool Inc. may result in poor performance and may constitute abuse of this machine and therefore void the Tri Tool Inc. factory warranty.
  • Page 16 Installing a Tool Bit 1. Make sure that the Model 302 Tube Squaring Machine is disconnected from the power source before installing a Tool Bit. 2. Insert the Tool Bit into the slot in the Cutting Head. The cutting edge of the Tool Bit must be located on the radial centerline.
  • Page 17 Model 302 Tube Squaring Machine 4. Tighten the cap screws to secure the tool bit(s) to the cutting head. Refer to Fig. 4. Cutting Edge Cap Screw Rotation Hex Wrench Figure 4: Secure the Tool Bit Select the Tool Bit Durabit 1 Tool Bit §...
  • Page 18 TRI TOOL INC. § When the desired length is achieved, let the machine make one or two revolutions without feeding the machine (holding the feed handle in a fixed position). If the feed is backed out before the making the finish revolutions the end will not be square.
  • Page 19 Model 302 Tube Squaring Machine § After the desired length is reached, let the machine make one or two revolutions without feeding the machine (i.e. while holding the feed handle in a fixed position). If the feed is backed out before making the finishing revolutions the end will not be square.
  • Page 20 TRI TOOL INC. Machining Sequence 1. Place the pipe or tube into the saddles, Refer to Fig. 5. 2. Make sure there is a clearance of 1/8" (3 mm) between the tool bit(s) and the pipe or tube face as held by the saddles.
  • Page 21 Model 302 Tube Squaring Machine Feed Knob Cover Tube or Pipe Figure 7: Rotate the Feed Knob § If the tube or pipe end is not square to the tube or pipe axis, the tool bit will contact only a small segment of the tube or pipe during each revolution.
  • Page 22: Cutting Speeds And Feeds

    TRI TOOL INC. 7. CUTTING SPEEDS AND FEEDS RPM for RPM for RPM for True DIA 200 in/min 250 in/min 300 in/min (5080 mm/min) (6350 mm/min) (7620 mm/min) .250" (6.4 mm) .375" (9.5 mm) .500" (12.7 mm) .750" (19.1 mm) 1.00"...
  • Page 23: Saddle Sets

    1 1/2" 1.500" 38.1 mm 67-3598 2" 2.000" 50.8 mm 67-3612 2 3/8" 2.375" 60.3 mm 67-3619 The Saddles are made of Stainless Steel If you need a size that is not listed, please contact Tri Tool, Inc. 92-0547 Rev. 210906...
  • Page 24: Tool Bits

    TRI TOOL INC. 9. TOOL BITS Pipe Cutting Head Tool Bit, Tube Squaring Figure 9: Tube Squaring Tool Bit TOO BIT PART NUMBERS Pipe or Max Wall Tool Bit Squaring Range Tube Thickness Height Tool Bit P/N Material .187" OD thru 2.00" OD .200"...
  • Page 25 Model 302 Tube Squaring Machine Centerline of Pipe or Tube Pipe or Tube Tool Bit Figure 10: Bevel Tool Bit Bevel Bevel Pipe or Tube Bevel Wall Tool Bit Range Material Angle Thickness .187" OD thru 1.00" OD .200" 37.50°...
  • Page 26: Troubleshooting

    TRI TOOL INC. 10. TROUBLESHOOTING Problem: Tool Bit Chatters The tool bit is loose or overextended. The tool bit is damaged. The tool holder is too loose in the slides. The cutting speed is too fast. The clamping pads are loose on the pipe or tube.
  • Page 27 Model 302 Tube Squaring Machine Problem: Loss of Air Power The air supply pressure is too low. The air filter is plugged. The air line size is insufficient. The air line is too long. Problem: Tool Bit does not Reach the Work Incorrect tool blocks are installed for the size of the pipe or tube being worked on.
  • Page 28: Illustrated Parts Breakdown

    TRI TOOL INC. 11. ILLUSTRATED PARTS BREAKDOWN MODEL 302, TUBE SQUARING MACHINE SUB-ASSY (REF. P/N 02-2174) (1 OF 2) 13 29 92-0547 Rev. 210906...
  • Page 29 Model 302 Tube Squaring Machine MODEL 302, TUBE SQUARING MACHINE SUB-ASSY (REF. P/N 02-2174) (2 OF 2) 92-0547 Rev. 210906...
  • Page 30 TRI TOOL INC. Parts List, Model 302 Tube Squaring Machine Sub-Assy (Ref. P/N 02-2174) Item Part Description 19-0660 HOUSING, MAIN 20-0561 SHAFT, FEED 24-1256 PLATE, MOUNTING 27-0455 ADAPTER, FEED 28-0231 SEAL, 7/8" I.D. X 1 3/4" O.D. X 1/4" 28-0234 O-RING, 2.989"...
  • Page 31 Model 302 Tube Squaring Machine Parts List, Model 302 Tube Squaring Machine Sub-Assy (Ref. P/N 02-2174) Item Part Description 33-1440 SCREW, SHOULDER, 3/8" X 1 3/4" 33-1839 SCREW ASSY., ADJUST 34-0278 WASHER, CAPTURE 35-0253 NUT, LOCK, #4 - 40 39-0725...
  • Page 32 TRI TOOL INC. MOTOR ASSEMBLY, AIR, 302A (P/N 57-0213) 92-0547 Rev. 210906...
  • Page 33 Model 302 Tube Squaring Machine Parts List, Motor Assembly, Air, 302A (P/N 57-0213) Item Part Description 20-0617 SHAFT, DRIVE 20-0618 SHAFT, DRIVE, 3/8-24 UNF 28-0218 SEAL, GREASE 28-0233 O-RING 31-0115 KEY, ROUND ENDS 33-0041 SCREW, CAP, 1/4-20 X 7/8" 33-0292 SCREW, BUTTON, 5/16-18 X 5/8"...
  • Page 34 TRI TOOL INC. MOTOR ASSEMBLY, ELECTRIC 110V (P/N 58-0184) AND 220V (P/N 58-0080) 3 10 92-0547 Rev. 210906...
  • Page 35 Model 302 Tube Squaring Machine Parts List, Motor Assembly, Electric, 110 VAC (P/N 58-0184) Item Part Description 20-0617 SHAFT, DRIVE 20-0619 SHAFT, DRIVE, 1/2-20 UNF 28-0245 SEAL, GREASE 28-0233 O-RING 31-0115 KEY, ROUND ENDS 33-0041 SCREW, CAP, 1/4-20 X 7/8"...
  • Page 36 TRI TOOL INC. Parts List, Motor Assembly, Electric, 220 VAC (P/N 58-0080) Item Part Description 20-0617 SHAFT, DRIVE 20-0619 SHAFT, DRIVE, 1/2-20 UNF 28-0245 SEAL, GREASE 28-0233 O-RING 31-0115 33-0041 SCREW, CAP, 1/4-20 X 7/8" 33-0619 SCREW, SET, #10-32 X 1/4", CUP PT...
  • Page 38 • Disconnect power sources before servicing or moving the equipment. • Remove all loose articles of clothing and jewelry before operating the equipment. Be Safety Conscious! 3041 Sunrise Blvd. Rancho Cordova, CA 95742 +1(916) 288-6100 • +1(800) 345-5015 www.tritool.com ©Copyright Tri Tool Inc. PN 81-0542 (04-21)

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