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Coats CHD-9043 Operating And Maintenance Instructions Manual

Electro-hydraulic tire changer for medium and large size tires
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Electro-Hydraulic Tire Changer
For Medium and Large Size Tires
CHD-9043
OPERATING AND MAINTENANCE INSTRUCTIONS
READ these instructions before placing unit in service KEEP these
and other materials delivered with the unit in a binder near the
machine for ease of reference by supervisors and operators.
IMPORCOM EQUIPOS AUTOMOTRICES
Blvd. Leyva Solano #830 A Pte.
Culiacan Sinaloa CP 80000
(667) 276 8141
(667) 716 0102
ID 92*1038450*4
8501079/00
Revision 07/08

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  • Page 1 (667) 716 0102 ID 92*1038450*4 Electro-Hydraulic Tire Changer For Medium and Large Size Tires CHD-9043 OPERATING AND MAINTENANCE INSTRUCTIONS READ these instructions before placing unit in service KEEP these and other materials delivered with the unit in a binder near the machine for ease of reference by supervisors and operators.

  • Page 2: Table Of Contents

    INDEX 1 - GENERAL INFORMATION...............................3 2 - TECHNICAL DATA................................3 3 - GENERAL SAFETY REGULATION.............................3 4 - SAFETY DEVICES................................3 5 - TRANSPORT..................................4 6 - UNPACKING...................................4 7 - INSTALLATION ................................4 7.1 Installation place....................................4 7.2 Workplace requirements..................................5 7.3 Electric hook up....................................6 Sense of rotation check 8 - LAYOUT OF FUNCTIONAL PARTS...........................7 9 - IDENTIFYING WARNING SIGNALS..........................8 10 - IDENTIFICATION OF CONTROL............................9...

  • Page 3: General Information

    GENERAL INFORMATION This tyre changer has been specifically designed to demount and mount truck, bus and commercial van tires, with rims from 14" to 56" and a maximum 90” (2.300) mm diameter. Any other use is improper and therefore not authorized. Before beginning any kind of work on or with this machine, carefully read and understand the contents of these operating instructions.

  • Page 4: Transport

    TRANSPORT The machine is delivered in: 1- in a wooden crate with pallet The machine must be handled with a fork-lift truck with the forks positioned as shown in the figure A/2. Shipping weight for the machine is 2083 lbs (945 kg.) 2,083 lbs (KG.

  • Page 5: Workplace Requirements

    WORK PLACE REQUIREMENT Maximum machine space requirements are 88.2X6.3 inches (2,240x 1,640 mm) with a minimum distance from walls as shown in the diagram. CAUTION! These measurements are also the tire changers working range. Persons other than specially trained and authorized operators are expressly forbidden to enter this area.

  • Page 6: Electric Hook Up

    Ø 0,7 Ø 0,7 MAX 0,25% Ø 0,7 ELECTRIC HOOK UP Before making any electric hook up, check to be certain that the main voltage corresponds to that stamped on the voltage tag (attached to the cord near the tire changer’s plug). It is absolutely essential that : - The system is equipped with a good grounding circuit.

  • Page 7: Layout Of Functional Parts

    LAYOUT OF FUNCTIONAL PARTS WARNING! 1 - Lifting bracket During all operations, keep hands and other parts of the body as far 2 - Self-centering chuck holding arm as possible from moving parts of the machine. Necklaces, bracelets 3 - Self-centering chuck and too large clothes, can be dangerous for the operator.

  • Page 8: Identifying Warning Signals

    IDENTIFYING WARNING SIGNALS WARNING: Unreadable and missing warning labels must be replaced immediately. Do not use the tire changer if one or more labels are missing. Do not add any object that could prevent the operator from seeing the labels. Use ref.

  • Page 9: Identification Of Control

    IDENTIFYING CONTROLS The mobile control centre (fig. C) enables the operator to work at any position around the machine. On this mobile control centre the following controls are located: -The lever (8, fig. C) which in position [a] lifts the chuck arm and in position [b] lowers it; in position [c] moves the tool holder arm and the sliding table towards the self-centering chuck and in position [d] moves them away.
  • Page 10 First use handle (15, Fig. D) to tip the arm to this position. CAUTION! Do not move your face close to the tool carrier arm when you release it to tip it as needed. 1) Move the joystick (8, Fig. C) up (a): the spindle carrier arm (2, Fig. A) should lift; move the joystick down (b): the arm should lower. DANGER! When the spindle carrier arm is lowered, there is always a potential for crushing anything in its movement range.

  • Page 11: Operation

    4) Check to be certain the hydraulic circuit is working correctly: - move switch lever (9, Fig. C) towards the top until the spindle arms are fully extended. - hold the switch lever in this position (top) and check if the pressure shown on the gauge on the swivel fitting is 130 bar 10%.

  • Page 12: Light-Alloy Rim Clamping 13.2 Tubeless And Supersingle Tires

    The most convenient locking position on the rim may be selected according to figs E/1 - E/2 - E/3 - E/4 - E/5 and E/6. Always remember that the safest locking is on the central flange. N.B. for rims with channel, clamp the wheel so that the channel is near the outside of the rim (fig. E/1). N.B.

  • Page 13: Demounting

    4) Operating from the mobile control centre, manoeuvre the wheel until the outside of the rim skims the bead-breaker disk (fig. F). DANGER! The bead breaker disk must NOT be pressed against the rim but against the tire bead. 5) Rotate the wheel and at the same time, advance the bead-breaker plate with small forward movements following the profile of the rim, with the plate.

  • Page 14: Mounting

    Take the mobile control unit to work position C. - Rotate the wheel and at the same time move the hook tool forward inserting it between rim and bead until it is anchored to the bead (See Fig. I). -Move the rim 1,5 - 2 inch (4-5 cm) from the tool taking care that it does not unhook from the bead. -Move the hook tool towards the outside until the red reference dot is by the outside edge of the rim.
  • Page 15 TYRE MOUNTING WITH THE DISK Follow these steps: 1) If the rim has been removed from the spindle, put it back on the spindle as described in the section on “CLAMPING THE WHEEL”. 2) Lubricate both beads and the rim with tire manufacturer recommended lubricant. 3) Attach the g-clamp to the outside edge of the rim at the highest point (See Fig.
  • Page 16 MOUNTING WITH THE HOOKED TOOL 1) Follow the steps described in points 1,2,3,4,5 for mounting with the disk. 2) Move the tool carrier arm to its non-working position. Move it to the inside face of the tire and rehook it at this position. 3) Check to make sure the hook tool is positioned facing the tire bead.

  • Page 17: Tubed Tires

    TUBE TIRES 13.3 BEAD LOOSENING WARNING: release inflation tire so that the valve, coming inside the rim, is not an obstacle during bead loosening. Follow all the steps described previously for bead loosening tubeless tires. With tube tires, however, stop disk movement as soon as the bead has loosened to avoid damaging the tube inflation valve. DEMOUNTING Take the mobile control unit to work position C.

  • Page 18: Mounting

    Take the mobile control unit to work position D. 10) Move the tool carrier arm to the inside face of the tire, turn the hook tool 180° and lower the arm to its work position. Insert it between rim and bead and move it until the bead is by the from edge of the rim (best to do this with the wheel turning). 11) Move the rim about 1,5 - 2 inches (4-5 cm) from the tool making sure the hook does not detach from the rim.
  • Page 19 9) Move to the outside of the tire and check the exact position of the hook visually and adjust it as needed. Then turn the spindle clock- wise until the g-clamp is at the bottom (6 o’clock). The first bead will be on the rim. Remove the g-clamp.

  • Page 20: Rims With Split Ring

    DANGER! POTENTIALLY HAZARDOUS OPERATION! Do it manually only if you are certain you can keep the tire assembly balanced. For large and heavy tires an adequate lifting device must be used 30) Move the platform to release the tire from the spindle. 31) Remove the tire.
  • Page 21 Take the mobile control unit to work position B. 14) Move the ramp towards the outside until the tire is completely off the rim. Watch out for the valve! TIRE ASSEMBLY WITH 5-SEGMENT SPLIT RINGS 1) Clamp the tire on the spindle as described previously and make sure it is deflated. Take the mobile control unit to work position C.

  • Page 22: Mounting

    12) Lower the spindle until the tire is resting on the ramp. 13) Move the ramp towards the outside until the tire together with the split ring comes completely off the rim. 14) Remove the rim from the spindle. 15) Position the tire on the ramp with the splint ring turned towards the spindle. 16) Clamp the split ring on the spindle as explained in the section of RIM CLAMPING.
  • Page 23 Take the mobile control unit to work position B. 3) Move the platform to be able to place the tire on it. 4) Lower or raise the spindle to centre the rim and the tire. 5) Move the ramp forward until the rim is inserted into the tire. Move forward with the ramp until rim is completely in the tire.

  • Page 24: Ordinary Maintenance

    ORDINARY MAINTENANCE WARNING! Each maintenance operation must be performed only after the disconnetion of the plug from electric network. To ensure that this tire changer works perfectly over the years, carry out the routine maintenance schedule described below: 1) Lubricate the following parts from time to time, after a thorough cleaning with naphtha: - the various swivels on the spindle - the tool bracket slide runner - the carriage guide plate.

  • Page 25: 16- Moving The Machine

    After having switched the general button on the general warning light also switches on but the motor on the hydraulic power pack does not function. 1) The magneto-thermic switch for motor protection has been engaged, witting off the circuit. 1) Call for technical aid to see what is the problem and restore the machine.

  • Page 26: 19- Data On Serial Plate

    These units are considered as special waste material, and should be broken down into uniform parts and disposed of in compliance with current laws and regulations. If the packing are not polluting or non-biodegradable, deliver them to appropriate handlind station. WARNING! If this machine catches fire, use dust or C O e s t i n g u i s h e r s o n l y .
  • Page 28 HENNESSY Industries, INC 1601 J.P . Hennessy Drive, LaVergne, TN 37086-3565 USA Toll Free 800-688-6496 www.ammcoats.com...

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