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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 Tri Tool Inc Warranty Tool Bit Resharpening Policy About the Manual Safety General Description Specifications Maintenance Operation Cutting Speeds & Feeds 19 Saddle Sets Tool Bits Troubleshooting Accessories 29 Illustrated Parts Breakdown...
  • Page 4: Tri Tool Inc 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: Tool Bit Resharpening Policy

    Model 300STS 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: Safety

    Model 300STS Tube Squaring Machine 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.
  • Page 8 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 9: General Description

    Model 300STS Tube Squaring Machine 3. GENERAL DESCRIPTION The 300STS (Small Tube System) Tube Squaring Tool is designed specifically to prepare tubes for autogenous welding. The 300STS uses an OD saddle clamping system for holding and rounding the tube. It accepts its torque through the saddle clamping system.
  • Page 10 TRI TOOL INC. DESIGNATIONS FOR THE MODEL 300STS Model No. Description 300STS-1 B 01-2534 Electric Motor, Battery Powered, 18V (120V charger) 300STS-1 B 01-2535 Electric Motor, Battery Powered, 18V (220V charger) 300STS-1 E120 01-2536 120VAC Electric Motor (Metabo) 300STS-1 E220...
  • Page 11: Specifications

    Model 300STS Tube Squaring Machine 4. SPECIFICATIONS MODEL 300STS with Motor POWER REQUIREMENTS Model 300STS 120 120 VAC +/- 10%, 50 - 60 Hz Model 300STS 220 220 VAC +/- 10%, 50 - 60 Hz WEIGHTS Base Machine, 300STS-1 3.1 lbs. (1.4 Kg) Base Machine, 300STS-2 6.1 lbs.
  • Page 12 TRI TOOL INC. 4.7in Feed Collar 119mm 3.1in .20" (5.0mm) 79mm Travel Saddle 11.9in 302mm Cutter Head Chip Guard 10.0in 254mm 10.9in 277mm Figure 2: Envelope Drawing 300STS-1 Cordless Motor (18VDC) 5.3in 135mm Feed Collar 4.0in .20" (5.0mm) 102mm Travel 9.9in...
  • Page 13 Model 300STS Tube Squaring Machine 5.4in 137mm Feed Collar 4.0in .20" (5.0mm) 102mm Travel Saddle 12.1in 308mm Cutter Head Chip Guard 13.5in 342mm 13.7in 347mm Figure 4: Envelope Drawing 300STS-2 Cordless Motor (18VDC) 92-1942 Orig. 210625...
  • Page 14: Maintenance

    TRI TOOL INC. 5. MAINTENANCE • Clean all components, refer to Fig 5. • Coat all components with a light film of oil prior to use. Use a clean, non-detergent oil, preferably SAE 10 (90SSU) or lighter. • If the Model 300STS is operated in the vertical position (cutting head up), turn it upside down and remove the chips and other debris after each cut.
  • Page 15 Model 300STS Tube Squaring Machine • Disassembly of the Model 300STS will void the warranty, except when performed by a Tri Tool Inc. designated repair technician. Model 300STS-2 Gearbox Figure 6: Models 300STS-1 and 300STS-2 NOTE: Use of a flush mount grease gun tip is required.
  • Page 16: 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 17 Model 300STS Tube Squaring Machine • The tool bit may be reversed. Use the reversed position for tubing with an ID greater than 1.000” (25.4mm). With the extreme shear cutting action, the burr on the ID will be virtually eliminated. Use the Hex wrench to tighten the set screws.
  • Page 18 TRI TOOL INC. INSTALL A SADDLE IN THE MODEL 300STS Select a saddle for the desired outside diameter of the tubing to be squared. Refer to the section on Saddle Sets. Back the Saddle Clamping Knob out so that it does not protrude into the mounting bore for the saddles.
  • Page 19 Model 300STS Tube Squaring Machine INSERT THE TUBE Retract the feed to the start position. Insert the tube to be machined in the front of the Model 300STS. Position the tube or pipe approximately 1/16” (1.6mm) from the tool bit. CAUTION: Do not let the tool bit touch the tube or pipe.
  • Page 20 TRI TOOL INC. 7. Observe the chip as the Machine is cutting. The ideal chip will come off in a loose pig tail spiral. A chip that is coming off in a tight straight spiral indicates that the feed is too heavy. A straight or slightly curled chip normally indicates that the feed is too light.
  • Page 21: Cutting Speeds & Feeds

    Model 300STS Tube Squaring Machine 7. CUTTING SPEEDS AND FEEDS CUTTING SPEEDS RPM for RPM for RPM for True 200 in/min. 250 in/min. 300 in/min. (5080 mm/ (6350 mm/ (7620 mm/ min.) min.) min.) .250” (6.4mm) .375" (9.5mm) .500" (12.7mm) .750"...
  • Page 22: Saddle Sets

    TRI TOOL INC. 8. SADDLE SETS SADDLES SETS 300STS-1 Standard Saddle Set Short Perch Saddle Set Figure 9: Saddle Sets 300STS-1 SADDLE SET PART NUMBERS Decimal (in) Metric (mm) STS-1 STS-1 S-P Pipe Size Fraction Decimal Metric STS-1 STS-1 S-P 1/8"...
  • Page 23 Model 300STS Tube Squaring Machine SADDLE SET PART NUMBERS Decimal (in) Metric (mm) STS-1 STS-1 S-P 0.406 10.31 67-5491 67-5671 0.413 10.50 67-5492 67-5672 13/32" 0.422 10.72 67-5493 67-5673 0.430 10.92 67-5494 67-5674 0.433 11.00 67-5495 67-5675 0.438 11.13 67-5496 67-5676 7/16"...
  • Page 24 TRI TOOL INC. SADDLE SET PART NUMBERS Decimal (in) Metric (mm) STS-1 STS-1 S-P 0.813 20.65 67-5531 67-5707 13/16" 0.825 20.96 67-5532 0.840 21.34 67-5533 67-5708 0.844 21.44 67-5534 67-5709 0.848 21.55 67-5535 0.854 21.70 67-5536 67-5710 0.859 21.83 67-5537 67-5711 27/32"...
  • Page 25 Model 300STS Tube Squaring Machine SADDLE SET PART NUMBERS Decimal (in) Metric (mm) STS-2 STS-2 S-P Pipe size Fraction Size Metric STS-2 STS-2 SP 0.188 4.78 67-5553 67-5723 3/16" 0.218 5.54 67-5554 0.250 6.35 67-5555 67-5724 1/4" 0.276 7.00 67-5556 9/32"...
  • Page 26 TRI TOOL INC. SADDLE SET PART NUMBERS Decimal (in) Metric (mm) STS-2 STS-2 S-P 0.656 16.66 67-5591 0.669 17.00 67-5592 21/32" 0.675 17.15 67-5593 0.677 17.20 67-5594 0.681 17.30 67-5595 0.688 17.48 67-5596 11/16" 0.709 18.00 67-5597 3/8" 23/32" 0.718 18.24...
  • Page 27 Model 300STS Tube Squaring Machine SADDLE SET PART NUMBERS Decimal (in) Metric (mm) STS-2 STS-2 S-P 1-7/16" 1.438 36.53 67-5629 1-1/2" 1.500 38.10 67-5630 67-5730 1" 1-9/16" 1.563 39.70 67-5631 1.625 41.28 67-5632 1-5/8" 1.660 42.16 67-5633 1.681 42.70 67-5634 1-11/16"...
  • Page 28: Tool Bits

    TRI TOOL INC. 9. TOOL BITS TOOL BITS FOR STANDARD SADDLES Tool Bit Tube Squaring Pipe Standard Saddle Cutting Head Figure 11: Tube Squaring Tool Bits for Standard Saddles TUBE SQUARING TOOL BITS FOR STANDARD SADDLES Pipe or Max Wall...
  • Page 29 Model 300STS Tube Squaring Machine TOOL BITS FOR SHORT PERCH SADDLES Tool Bit Tube Squaring Pipe SP (Short Perch) Saddle Cutting Head Figure 12: Tube Squaring Tool Bits for Short Perch Saddles TUBE SQUARING TOOL BITS FOR SHORT PERCH SADDLES Pipe or Squaring Max Wall...
  • Page 30: 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 31: Accessories

    Model 300STS Tube Squaring Machine 11. ACCESSORIES Tri Tool offers the following accessories for the Model 300STS Tube Squaring Machine: • Saddles • Tool Bits • Bench Top Stand Model 300STS-1 (P/N 60-0121) • Bench Top Stand Model 300STS-2 (P/N 60-0122) •...
  • Page 32: Illustrated Parts Breakdown

    TRI TOOL INC. 12. ILLUSTRATED PARTS BREAKDOWN MODEL 300STS-1, CORDLESS ITEM NO Parts List, Model 300STS-1, Cordless, 110V Metabo (P/N 01-2534) Item Part Description 02-3121 SUB-ASSY, FRONT END, 300STS-1 02-3128 SUB-ASSY, STS 03-0210 KIT, HEAD, 300STS-1 27-1630 ADAPTER, DRIVE, METABO CORDLESS 33-2547 SCREW,CAP,M4 X 0.7 X 12MM...
  • Page 33 Model 300STS Tube Squaring Machine Parts List, Model 300STS-1, Cordless, 100V (Japan only) (P/N 01-2542) Item Part Description 02-3121 SUB-ASSY, FRONT END, 300STS-1 02-3128 SUB-ASSY, STS 03-0210 KIT, HEAD, 300STS-1 NOT USED 33-2547 SCREW,CAP,M4 X 0.7 X 12MM 58-0386 MOTOR,CORDLESS,18V,JAPAN 92-1942 Orig.
  • Page 34 TRI TOOL INC. MODEL 300STS-1, CORDED ITEM Parts List, Model 300STS-1, Corded, 110V Metabo (P/N 01-2536) Item Part Description 02-3121 SUB-ASSY, FRONT END, 300STS-1 02-3128 SUB-ASSY, STS 03-0210 KIT, HEAD, 300STS-1 27-1506 ADAPTER, MTR COUPLING, 110V METABO 33-2547 SCREW,CAP,M4 X 0.7 X 12MM...
  • Page 35 Model 300STS Tube Squaring Machine Parts List, Model 300STS-1, Corded, 100V (Japan only) (P/N 01-2543) Item Part Description 02-3121 SUB-ASSY, FRONT END, 300STS-1 02-3128 SUB-ASSY, STS 03-0210 KIT, HEAD, 300STS-1 27-1657 ADAPTER, DRIVE, GEAR REDUCTION, MAKITA 33-2547 SCREW,CAP,M4 X 0.7 X 12MM 58-0331 MOTOR, MOD., 100V MAKITA, JAPAN 92-1942 Orig.
  • Page 36 TRI TOOL INC. MODEL 300STS-2, CORDLESS ITEM NO Parts List, Model 300STS-2, Cordless, 110V Metabo (P/N 01-2538) Item Part Description 02-3128 SUB-ASSY, STS 02-3129 SUB-ASSY, FRONT END, 300STS-2 03-0211 KIT, HEAD, 300STS-2 33-2547 SCREW,CAP,M4 X 0.7 X 12MM 33-4961 SCREW,CAP,M4 X 0.7 X 14MM...
  • Page 37 Model 300STS Tube Squaring Machine MODEL 300STS-2, CORDED ITEM Parts List, Model 300STS-2, Corded, 110V Metabo (P/N 01-2540) Item Part Description 02-3128 SUB-ASSY, STS 02-3129 SUB-ASSY, FRONT END, 300STS-2 03-0211 KIT, HEAD, 300STS-2 33-2547 SCREW,CAP,M4 X 0.7 X 12MM 33-4961 SCREW,CAP,M4 X 0.7 X 14MM 58-0277 MOTOR, MOD., ELEC, METABO BE1100,110V...
  • Page 38 TRI TOOL INC. Parts List, Model 300STS-2, Corded, 100V (Japan only) (P/N 01-2545) Item Part Description 02-3128 SUB-ASSY, STS 02-3129 SUB-ASSY, FRONT END, 300STS-2 03-0211 KIT, HEAD, 300STS-2 33-2547 SCREW,CAP,M4 X 0.7 X 12MM 33-4961 SCREW,CAP,M4 X 0.7 X 14MM 58-0331 MOTOR, MOD., 100V MAKITA, JAPAN...
  • Page 39 Model 300STS Tube Squaring Machine MODEL 300STS-2, CORDLESS, 18V (JAPAN) (P/N 01-2544) Parts List, Model 300STS-2, Cordless, 18V (Japan) (P/N 01-2544) Item Part Description 02-3128 SUB-ASSY, STS 02-3129 SUB-ASSY, FRONT END, 300STS-2 03-0211 KIT, HEAD, 300STS-2 20-1814 SHAFT ADAPTER 27-1661 ADAPTER, MOTOR, 300STS CORDLESS, JAPAN 33-2547 SCREW,CAP,M4 X 0.7 X 12MM...
  • Page 40 TRI TOOL INC. MODEL 300STS-1, SUB-ASSY, FRONT END (P/N 02-3121) ITEM NO. Parts List, Model 300STS-1, Sub-Assy, Front End (P/N 02-3121) Item Part Description 19-1890 HOUSING, ASSY, FRONT, 300STS-1 24-5019 PLATE, CHIP GUARD, 300STS-1 32-1217 PIN, DOWEL, 1/8” X 1-1/4”...
  • Page 41 Model 300STS Tube Squaring Machine SUB-ASSY, BASE, STS (P/N 02-3128) ITEM NO 92-1942 Orig. 210625...
  • Page 42 TRI TOOL INC. Parts List, Sub-Assy, Base, STS (P/N 02-3128) Item Part Description 19-1895 HOUSING, MAIN 20-1781 SHAFT, SPINDLE 27-1631 ADAPTER, BEARING 27-1632 ADAPTER, COLLAR 28-0687 SEAL, LIP, 1” X 1.25” X .25” 29-0208 BEARING,THRUST,1-9/16 X 1 X 5/64 29-0856 BEARING, NEEDLE, 1”...
  • Page 43 Model 300STS Tube Squaring Machine MODEL 300STS-2, SUB-ASSY, FRONT END (P/N 02-3129) ITEM NO. Parts List, Model 300STS-2, Sub-Assy, Front End (P/N 02-3129) Item Part Description 19-1897 HOUSING ASSY, FRONT, 300STS-2 24-5020 PLATE, CHIP GUARD, 300STS-2 32-1217 PIN, DOWEL, 1/8” X 1-1/4” 33-4968 SCREW, SET, M4 X 0.7 X 4MM, CUP PT 33-4970...
  • Page 44 TRI TOOL INC. MODEL 300STS, KIT, HEAD 03-02 03-02 ITEM N Parts List, Model 300STS-1, Kit, Head (P/N 03-0210) Item Part Description 21-0797 HEAD, CUTTING, 300STS-1 32-1214 PIN, DOWEL, 5/32 X 3/8L 33-4960 SCREW, SET, M8X1.25 X 8MM, CUP PT 33-4961 SCREW,CAP,M4 X 0.7 X 14MM...
  • Page 45 Model 300STS Tube Squaring Machine MODEL 300STS-2, GEAR REDUCER ASSY ITEM Parts List, Model 300STS-2, Gear Reducer Assy, Cordless (P/N 59-0043) Item Part Description 27-1633 ADAPTER, DRIVE, CORDLESS 33-4516 SCREW,CAP,M6 X 22MM 39-1412 SPINDLE, DRIVE, GEAR REDUCTION 46-0794 SLEEVE, MOTOR, CORDLESS, 300STS 59-0044 GEAR REDUCER MOD Parts List, Model 300STS-2, Gear Reducer Assy, Corded (P/N 59-0045)
  • Page 46 TRI TOOL INC. Parts List, Model 300STS-2, Gear Reducer Assy, Corded, Japan (P/N 59-0046) Item Part Description 27-1633 ADAPTER, DRIVE, CORDLESS 33-4516 SCREW,CAP,M6 X 22MM 39-1412 SPINDLE, DRIVE, GEAR REDUCTION 46-0802 SLEEVE, MOTOR, CORDED, 300STS, MAKITA (JAPAN) 59-0044 GEAR REDUCER MOD...
  • Page 47 33-5023 SCREW, CAP, M5X0.5 X 18mm 33-5024 SCREW, CAP, M6X1 X 16mm, LOW HEAD 47-2959 STAND, LATHE, FRONT MOUNT, 300STS-1 47-2960 STAND, LATHE, REAR MOUNT, 300STS 30-0483 LABEL,LOGO,SMALL 30-0508 LABEL,”WARNING,DISCONNECT” 30-0961 LABEL,WARNING,SAFETY SWITCH 30-2061 LABEL, TRI TOOL 92-1942 Orig. 210625...
  • Page 48 TRI TOOL INC. Parts List, Model 300STS-2, Stand, Lathe (P/N 60-0122) Item Part Description 24-5091 PLATE, BASE 33-5022 SCREW, FLAT, M6X1.0 X 18mm 33-5023 SCREW, CAP, M5X0.5 X 18mm 33-5024 SCREW, CAP, M6X1 X 16mm, LOW HEAD 47-2961 STAND, LATHE, FRONT MOUNT, 300STS-2...
  • Page 49 Model 300STS Tube Squaring Machine Parts List, Model 300STS, Wrench Kit (Not Shown) (P/N 05-1606) Item Part Description 36-0693 WRENCH,T,3MM X 6” 36-0694 WRENCH,T,4MM X 6” 36-0695 WRENCH,L, 5MM 92-1942 Orig. 210625...
  • Page 50 TRI TOOL INC. This Page Intentionally Left Blank 92-1942 Orig. 210625...
  • Page 52 • 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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