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Signode TENSION-WELD VT-19HD Operation, Parts And Safety Manual

Signode TENSION-WELD VT-19HD Operation, Parts And Safety Manual

Strapping tool

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VT-19/25 HD
TENSION-WELD®
STRAPPING TOOL

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Summary of Contents for Signode TENSION-WELD VT-19HD

  • Page 1 VT-19/25 HD TENSION-WELD® STRAPPING TOOL...
  • Page 2 Use the correct Signode products for your application. 2. TRAINING. This tool must not be used by persons not properly trained in its use. Be certain that you receive proper training from your employer. If you have any questions contact your Signode Representative. 3. EYE INJURY HAZARD.
  • Page 3 7. WORK AREA. Keep work areas uncluttered and well lighted. Several types of strap can be used with this tool. Use the correct Signode products for your application. If you need help contact your Signode Representative. SAFETY PROCEDURES FOR TOOL OPERATION Before using this tool, read its Operation and Safety instructions.
  • Page 4: Table Of Contents

    Parts List, Air Motors Specifications Troubleshooting Major Components Maintenance Pneumatic Information Tool Options Operating Instructions Adjustments VT-19 HD Strapping Tool, Signode Part No. 426160 VT-25 HD Strapping Tool, Signode Part No. 423992 SPECIFICATIONS STRAP MODEL TYPE WIDTH THICKNESS VT-19 HD 19mm Up to 0.055"...
  • Page 5: Major Components

    MAJOR COMPONENTS...
  • Page 6: Pneumatic Information

    Filter-Regulator-Lubricator Unit, 1/2" NPT (Signode Part No. 424773) FRL Mounting Bracket (Signode Part No. 071982) Air Hose, 1/2" ID, 3/8" Fittings (Signode Part No.
  • Page 7 The remaining moisture is removed at the water leg in the piping system or in the filter. NOTE: Additional information is available in the Signode publication, "Air Supply Manual" (Part No. 186038). If you have any questions, contact your local Signode Representative.
  • Page 8 Air pressure is assumed to be 90 psig (6.2 Bar) with recommended size and length of air hose. Volume of air is at room temperature and sea level pressure, or so-called "free air" conditions. For more detailed information about air supply systems refer to Signode manual.
  • Page 9 An air line dryer adjacent to the compressor. b. Use lubricant recommended by Signode. Signode has tested the use of anti-freezes, none work well in air tool; the tool will gum up when anti-freezes are introduced and will not function properly.
  • Page 10 PNEUMATIC INFORMATION, Continued Pneumatic Circuit Diagram...
  • Page 11: Operating Instructions

    OPERATING INSTRUCTIONS Wear safety glasses. Stand to one side of the strap when tensioning. Make sure all bystanders are clear before proceeding. PLEASE NOTE: Do not operate tool without strap, as damage to the tool may occur. 1. With the dispenser placed behind you, bring the strap over the top and around the package, place the straps together and...
  • Page 12 3. Recheck the strap alignment at the rear of the tool and realign if necessary. Release the tension motor. Press down the Green Tension Control Lever to begin tensioning the strap. When the tension motor stalls, indicating completion of tension, release the control lever. The strap will remain tensioned around the package.
  • Page 13 OPERATING INSTRUCTIONS, Continued 5. The internal weld timer is energized. The main piston brings the welding pads together and the strap is welded. The supply end of the strap is then cut off. Pull the cut strap away from the tool during welding.
  • Page 14 7. Swing the tool out from the completed strap joint. Inspect the joint to make sure the straps have been properly welded. STRAP JOINT INSPECTION This tool is a Tension Weld® type sealer. A properly made joint will appear as shown in the illustration.
  • Page 15: Adjustments

    4. If you are unable to produce an acceptable joint or if you have any questions as to whether your tool is producing good weld strength, contact your Signode Sales Representative. LOCATION OF WELD TIME ADJUSTMENT 5. Replace the cap over the screw.
  • Page 16 FEEDWHEEL TO GRIPPER PLUG The feedwheel to gripper plug clearance may require readjustment if the feedwheel or gripper plug has been replaced. The feedwheel clearance should also be inspected during routine tool maintenance procedures. Adjust the feedwheel clearance as follows: 1.
  • Page 17 TOOL ADJUSTMENTS, Continued STRAP CUTTER The VT strap cutter has two serrated cutting edges. After the first edge has become dull or strap cut-off becomes difficult the blade can be remounted to use the second cutting edge. Once both edges have become worn the blade should be replaced.
  • Page 18 For optimum tool performance, fill gear housing (Key 38) one-third full of Red Mobilith SHC 007 Grease (Signode Part No. 425239). Key numbers 39 (Clutch Spring) and 40 (Spring Seat) can be order together as Signode Part Number 425631 (Spring/Seat Assembly).
  • Page 19: Troubleshooting

    TROUBLESHOOTING The following items are the most common types of tool malfunctions. For symptoms or remedies not shown, contact your Signode service representative for additional information and details. The following tool conditions are shown in this manual: AIR SUPPLY #1 - The air motor is frozen.
  • Page 20 TROUBLESHOOTING, Continued #3 CONDITION: The tool runs sluggishly. CAUSE REMEDY 1. The air filter-regulator-lubricator is 1A. Check the regulator to see that the correct air malfunctioning or is not properly maintained. pressure is getting to the tool. 1B. Check to see the filter unit is clean and functioning properly.
  • Page 21 #7 CONDITION: A poor weld identified by an incomplete area of weld. CAUSE REMEDY Welding is achieved by a combination of vibration and Dismantle and clean the weld mechanism by brushing downward pressure of the upper gripper. Either a away the strap residue or washing the entire unit in a restriction of motion or a reduction of downward solvent.
  • Page 22 TROUBLESHOOTING, Continued #11 CONDITION: Strap weld time is erratic. CAUSE REMEDY 1. Air leakage in timing circuit. Check o-rings and pneumatic components for leaks. Replace parts as required. 2. Dirty or very dry pilot valve (Key 106). Remove, clean and lubricate the pilot valve using air line oil or replace if needed.
  • Page 23: Maintenance

    MAINTENANCE TOOL 1. Clean the teeth on the feedwheel and the gripper plug with the special brush provided. 3. Periodically clean the tool with compressed air. 4. Disassemble, clean and lubricate the welding mechanism. GEAR HOUSING Periodically check the gear housing portion of the tool: 1.
  • Page 25 OPTIONAL OVERHEAD SUSPENSION To work effectively, your VT tool must be properly installed. This installation includes, in some cases, proper suspension of the tool over the container to be strapped, and the proper placement of a strapping dispenser to provide a continuous easy supply of strapping for the application. The VT can be suspended in various operating positions by using the proper tool hanger and hardware.
  • Page 26 OPTIONAL 3-WAY TOOL HANGER This option allows the operator to suspend the VT tool from its side to allow for easier horizontal strapping applications as well as top and side sealing applications. The hanger replaces the standard VT tool hanger. NOTE: Hanger is supplied with additional M5x16 socket head cap screws for mounting the hanger to the tool.
  • Page 27 It is hereby declared that the undermentioned machinery has been designed and constructed to comply with the health and safety requirements defined in EC Directive 89/392/EEC Machine Supplier: Signode, Division of ITW Ltd. Queensway, Fforestfach Swansea SA5 4ED Machine Description:...
  • Page 28 Signode reserves the right to replace any tool which proves not to operate per functional specifications with a new or like-new tool of the same model if in Signode's judgement such replacement is appropriate. Any new replacement tool provided to an owner will carry a full sixty (60) day warranty. Any warranty repaired tool or like-new replacement tool will carry a warranty for the balance of the time remaining on the initial sixty (60) day warranty.

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