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Launch TWC Series Manual

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is a registered trademark of LAUNCH
TECH. CO., LTD. (LAUNCH for short) in China and
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Copyright © 2000 by LAUNCH TECH. CO., LTD. All
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Tyre Changer(TWC Series)

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  Summary of Contents for Launch TWC Series

  • Page 1 LAUNCH. The information contained herein is designed only for the use of this unit. LAUNCH is not responsible for any use of this information as applied to other units. Neither LAUNCH nor its affiliates shall be liable to the...
  • Page 2 LAUNCH Tyre Changer(TWC Series) Safety Precautions Attention l This manual is a necessary part of the product. Please read carefully. l Keep the manual for later use when maintaining the machine. l This machine can only be used for the designated purposes.
  • Page 3 LAUNCH Tyre Changer(TWC Series) Description of Safety Signs Caution should be taken ² ² To prevent accidents from when separating the tyre occurring, make sure to bead from rim. The bead keep hands and other parts breaker shoe will move...
  • Page 4 LAUNCH Tyre Changer(TWC Series) The Position of Safety Signs Take TWC-502NIC as example: u Please replace the safety signs if it gets blurred or lost. u When one or more safety signs get lost, don’t operate the machine. u The safety signs must be kept within the sight of the operator.
  • Page 5: Table Of Contents

    Mounting Tyre …………………………………6 Inflating Tyre ………………………………..… 7 Right Supplementary Arm……………………8 Left Supplementary Arm……………………11 Troubleshooting ……………………………14 Maintenance………………………………..…15 ……...… Optional Device- Digital Inflator…. Storing ……………………………..………….18 TWC Series Oil Safety Data…………...….19 TWC Series Circuit Diagram…...…20 TWC Series Pneumatic Diagram..….23...
  • Page 6: General Information

    LAUNCH Tyre Changer(TWC Series) General Information Rules to name TWC series TWC- means tyre changer T W C – 5 0 2 R D B + ⑦ ⑥ ⑤ ④ ③ ② ① Meaning of code: ①- for rim clamping diameter: 4 stands for 10” ~19”(20”);...
  • Page 7: Usage

    LAUNCH Tyre Changer(TWC Series) Applicable Range Usage Model Max wheel diameter Max rim width TWC series are used for demounting, mounting and 4 series 960mm(38") 360mm(14") inflating tyres small medium vehicles. Mount/demount help device and quick-inflating device 5 series 960mm(38") 380mm(15")
  • Page 8: Main Structure

    LAUNCH Tyre Changer(TWC Series) The main structure is shown in Fig. 01. Main Structure A. Return spring B. Swing arm C. Hexagonal column D. Mount/demount head E. Clamping jaw F. Turntable G. Tilting post control pedal H. Clamping cylinder control pedal I.
  • Page 9: Operation

    LAUNCH Tyre Changer(TWC Series) tyre bead from wear. (Fig. 04). Operation Attention: The machine is only to be operated by specially trained and authorized personnel. Use appropriate equipment, tools and personal protective equipment, such as eye-glasses, ear-plugs and working boots, when operating the tyre changer.
  • Page 10 LAUNCH Tyre Changer(TWC Series) Tyre changer with swing arm: Attention: Pull back the swing arm(3, fig.07) to working position, The angle of the mount/demount head has been adjust hexagonal column(4) up and down to make adjusted by manufacturer according to standard rim mount/demount head 1-2 mm away from rim flange (15").
  • Page 11: Mounting Tyre

    LAUNCH Tyre Changer(TWC Series) Fig.12 Fig.14 Adjust relative position between the tyre and the Caution: mount/demount head to position the tyre bead above Keep hands and the rest of human body away from the left lip of the head (fig.15A) and below the right the moving parts of the machine.
  • Page 12: Inflating Tyre

    LAUNCH Tyre Changer(TWC Series) manufacturer’s requirements. The pressure should not exceed 3.5 bar. The user may adjust the reducing valve in the machine to get different pressures according to requirements. Quick-inflation: If the tyre is tubeless or the tyre does not match the rim hermetically, inflation method above-mentioned will has no effect.
  • Page 13: Right Supplementary Arm

    (fig.21). Attention: Ø The supplementary arm is specially designed for TWC series pneumatic tyre changer of LAUNCH. Never mount it on other machines, otherwise, LAUNCH shall not liable for any accidents. Ø The supplementary arm unit has function of automatic self-centering.
  • Page 14 LAUNCH Tyre Changer(TWC Series) tubed tyre, it is advisable to keep the air inflation valve to the right of the mount/demount head about 10 cm away to avoid damaging If there is tube in the tyre, remove it first. Draw out the disk, and make the disk under the lower bead, but not under rim.
  • Page 15: Left Supplementary Arm

    LAUNCH Tyre Changer(TWC Series) (Fig. 25). Left Supplementary Arm Structure (fig.27) Fig.25 Depress the pedal “ ” to turn the turntable clockwise. When only 10—15cm(Fig.26) is left, slow down to avoid damage of the tyre bead. Stop the motor once there is any indication for damage. Lift the pedal to turn the turntable counter-clockwise.
  • Page 16 ⑤. Attention: Ø The supplementary arm is specially designed for TWC series pneumatic tyre changer of LAUNCH. Never mount it on other machines, otherwise, LAUNCH shall not liable for any accidents. Ø The supplementary arm unit has function of automatic self-centering.
  • Page 17 LAUNCH Tyre Changer(TWC Series) Turn the fore swivel arm, and place the press block on the Mounting tyre tyre opposite to the mount/demount head. Lower down the control lever to press down the block 5-6cm, then prize the Attention: tyre bead onto the mount/demount head with tyre Check the size of tyre and rim to see if they match lever(fig.33).
  • Page 18: Troubleshooting

    LAUNCH Tyre Changer(TWC Series) Trouble Shooting Symptom Cause Solution Turntable can turn only in u Power switch is damaged. u Replace the power switch. one direction. Turntable doesn’t turn. u Belt is damaged. u Replace the belt. u Power switch is damaged.
  • Page 19: Maintenance

    LAUNCH Tyre Changer(TWC Series) Maintenance Attention: Only the specialized technician can perform the maintenance. Before any maintenance, disconnect the power and keep the plug within the sight of the maintenance personnel. Shut power compressed air, push the air valve switch to “Off”...
  • Page 20 LAUNCH Tyre Changer(TWC Series) the clearance is too much after locking, do the adjustment according to the following procedures: Open the protective cover of the tilting post. Adjust the M6 screws at both ends by wrench and push the arm at the same time until it can be moved smoothly.
  • Page 21: Optional Device- Digital Inflator

    LAUNCH Tyre Changer(TWC Series) An inflation pipe that is 9 meters in length is supplied Optional Device – Digital with the device. If extension of the pipe is necessary, total length must not exceed 20 meters. Otherwise, working precision will decrease, or even the device Inflator can not work normally.
  • Page 22: Storing

    When pressure of the tyre reaches to the preset value, the buzzer works and the device stops. Part Coding: If necessary, please order parts from LAUNCH or dealers according to part coding (16AG600AX). Circuit Diagram: Fig.42 Storing and Scrapping...
  • Page 23: Twc Series Oil Safety Data

    LAUNCH Tyre Changer(TWC Series) TWC Series Oil Safety Data No. 2 lithium lubricant Item Quality Index Cone penetration (1/10mm) Drop point ℃ Corrosion (T2 Copper, 100 , 24h) No change in the copper ℃ Wire separator (100 , 22h)% ℃...
  • Page 24: Twc Series Circuit Diagram

    LAUNCH Tyre Changer(TWC Series) TWC Series Circuit Diagram...
  • Page 25 LAUNCH Tyre Changer(TWC Series)
  • Page 26 LAUNCH Tyre Changer(TWC Series)
  • Page 27: Twc Series Pneumatic Diagram

    LAUNCH Tyre Changer(TWC Series) TWC Series Pneumatic Diagram...
  • Page 28 The exclusive remedy for any automotive meter found to be defective is repair or replacement, and LAUNCH shall not be liable for any consequential or incidental damages.