COATS CDH-9043 User Manual

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.

8501079/00 Revision 07/08

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

11- WORKING POSITION.....................................................................................................................................................9

12 - CORRECT OPERATION CHECKS..................................................................................................................................9

13 - OPERATION.................................................................................................................................................................11

13.1 Rim clamping......................................................................................................................................................................................11

Light-alloy rim clamping

13.2 Tubeless and supersingle tires...........................................................................................................................................................12

Bead losening Demounting Mounting

13.3 Tubed tires...........................................................................................................................................................................................17

Bead losening Demounting Mounting

13.4 Rims with split ring...............................................................................................................................................................................20

Bead losening and demounting Mounting

14 - ORDINARY MAINTENANCE.......................................................................................................................................24

15 - TROUBLE SHOOTING..................................................................................................................................................24

16- MOVING THE MACHINE.............................................................................................................................................25

17- STORING......................................................................................................................................................................25

18- SCRAPPING A MACHINE............................................................................................................................................25

19- DATA ON SERIAL PLATE...............................................................................................................................................26

20- ACCESSORIES..............................................................................................................................................................26

This tyre changer has been specically 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.

The Manufacturer shall not liable for any injury to persons or damage to things caused by improper use of this machine.

KEEP THIS MANUAL NEAR THE MACHINE AND CONSULT IT AS NEEDED DURING OPERATIONS.

GENERAL INFORMATION

The use of this machine is reserved to specially trained and authorized personnel.

Any unauthorized changes or modications to the machine, in particular to its electric system, relieve the manifacturer from all liability.

Removing or tampering with the safety devices installed on this machine is in violation of European Safety Regulations.

Any work, however minor, on the electric system must be done exclusively by professionally qualied personnel.

TECHNICAL DATA

Electric Power requirement

Pump motor

Gear-box motor

Handles rim from

Max. wheel diameter

Max. wheel width

Max. wheel weight

Weight (with standard accessories)

Acoustic pressure level (at work)

GENERAL SAFETY REGULATIONS

220V - 3 PH - 60Hz 15 Amp

1.1 kw

1.3 / 1.8 kw

14" - 56 "

2,300 mm

1,065 mm

1,500 kg

770 K g

LpA < 70 dB (A)

The tire changer has a number of safety devices designed to guarantee the utmost operator safety:

1. Check valve on the spindle opening hydraulic line (inside the swivel connector, see g. B/1). This prevents the wheel from falling from

the spindle if the hydraulic line is accidentally broken.

2. Pressure relief valve factory set at 1,885 PSI (130 bar) ±10% (See Fig. B/2).

This limits the pressure in the hydraulic circuit and ensure correct operation of the plant.

3. Pump motor overload cut-out (inside the electric enclosure). This cuts in if the motor overheats to prevent it from burning out.

4. Check valve on the chuck arm lifting hydraulic line. It prevents the chuck arm from descending when any accidental break occurs

in the hydraulic circuit.

SAFETY DEVICES

B/1

B/2

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 gure A/2. Shipping weight for the machine is 2083 lbs (945 kg.)

TRANSPORT

2,083 lbs (KG. 945)

A/2

Once the packing material has been removed, check the machine visually for any signs of damage.

Keep the packing materials out of the reach of children as they can be a source of danger.

N.B.: Keep the packing for possible future transport.

7.1

Choose the place the machine is to be installed in compliance with current work place safety regulations. The oor should not be broken

or uneven so that the machine will be stable and the platform rollers can move freely.

If the installation is outdoor, it must be protected by some kind of roong against rain.

The following work environment conditions are applicable:

Relative humidity: from 30-95% without condensation;

Temperature: from 32°-131° F (0-55° C).

IN ST AL LA TI ON P LA CE

ATTENTION! The machine must not be operated in explosive atmospheres.

UNPACKING

INSTALLATION

7.2

Foundationsdimensions inch (cm).

Concrete

quality

Min. pressure

resistence

Length Width Thickness

B25

937 lbs/sqft

(425 Kg / cm2)

78,74

(200)

64,5

(164)

5,9

(15)

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.

Position the tire changer lifting it with the specic bracket (1, Fig. A) with the tool carrier arm (2, Fig. A) lowered all the way, the spindle (3, Fig. A) closed and the tool carrier slide (4, Fig. A) at its stop close to the arm.

The mobile control unit has no xed position, but it must be

positioned in a way that the user can observe the machine when working

98.4 inches

(2,500 mm)

27.5 inches

(700 mm)

98.4 inches (2,500 mm)

39.3 inches (1,000 mm)

The tire-changer must be installed on a levelled concrete oor at least 8” (20 cm) . thick, with a minimum concrete quality of B25 in accordance with DIN 1,045 requirements (foundations). For your reference see the side drawing as well as the table herebelow.

Ground

Reinforced concrete

Electrowelded grid

Pebble gravel

If a oor of this type is not available on site, fastening points of the specied concrete quality are acceptable.

The surface, on which the universal tire-changer is to be installed, must be at and well levelled in all directions.

B/5

Inclinations up to 0,25% relative to the horizontal can be compensated using suitable shims, wedges or alike.

When working with wheels, whose weight is higher than 2,204 lbs (1,000 kg)., it is necessary to fasten the

tire-changer to the oor by means of proper anchor bolts.

By means of a Widia bit Ø 16 drill a 0.630 inch hole (130 mm) into the oor passing through the holes provided on the base frame.

If there is an additional oor covering (B), or if shims or wedges are necessary for levelling (C), longer anchor bolts must be used.

Place an anchor bolt into each hole.

Make sure the anchor bolts extend at least 4.90” (125 mm). into the concrete slab, as indicated in the drawing.

Tighten the anchor bolts completely.

Ø 0,7

7.3

ø 0,31

inches

3,93

inches

ELECTRIC HOOK UP

3,93

5,90

1,96

3,93

Ø 0,7

4,9

MAX 0,25%

4,9

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.

- The current intake is adeguately protected against overcurrents with fuses or automatic magneto-thermic switch.

Not e the requ i r e d pow e r dr a w as high l i g ht e d on t h e dat a pl a t e  x e d t o th e tire chan g e r . Che c k to make sur e the sho p e l ec t r ic w ir i n g c i rc u i t i s d i m en s i on e d s u f c i e nt l y t o ca r r y t h is .

Work on the electric system, even if minor, must be done exclusively by

professionally qualied electrician.

Manufacturer shall not be liable for any injury to persons or damage to things caused by failure to comply with these regulations and can cancel warranty coverage.

SENSE OF ROTATION CHECKS

Connect the machine to the mains, switch “ON” (5, g. B/7) and check that the gearbox motor rotation corresponds to the indicating arrow (6, g. B/6). If not, switch two wires in the plug .

1 - Lifting bracket 2 - Self-centering chuck holding arm 3 - Self-centering chuck 4 - Sliding ramp 8 - Handler 9 - Switch 10 - Pedal 11 - Handler 13 - Carriage 14 - Tool holding arm 15 - Arm lever 17 - Bead breaking disk 18 - Tool 22 - Jaw

LAYOUT OF FUNCTIONAL PARTS

B/6

WARNING! During all operations, keep hands and other parts of the body as far as possible from moving parts of the machine. Necklaces, bracelets and too large clothes, can be dangerous for the operator.

B/7

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. code # 2019113 to order labels set, if needed

3006037

3008615

3005421

3006038

3005419

3005423

3018044

3000962

3005410

3005087

ISO VG

3008616

3000963

3000964

3000965

3005417

3000961

The mobile control centre (g. 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, g. 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. Note: in order to memo rise this operat ion, there is a hole in the leve r guard correspo nding to positio n c.

- the lever (11, g. C) which in position [e] releases and tilts the tool and in position [f] locks the tool bringing it back to working position; in position [g] moves the tool carriage leftwards and in position [h] moves it to the opposite side.

-The chuck switch (9, g. C) when moved upwards, opens the arms of the self-centering chuck (LOCKING), and when moved down,

closes the arm of the self-centering chuck (UNLOCKING).

-The pedal (10, g. C) when pressed on the left or right side rotates the self-centering chuck in the same direction as shown by the arrows placed on the foot pedal.

Both rotations can be made with two different speeds, just placing the selector (12, g. B/6) in position 1 for getting slow rotation and in

position 2 for fast rotation of the turntable The tire changer also has: Handle (15, Fig. D) to tip the tool carrier arm (14, Fig. 4) from its work to its non-working position and vice-versa.

Pressing the emergy stop button (12, g. C) will stop any operation in course.

IDENTIFYING CONTROLS

The diagram B/8 illustrates the various working positions (A,B,C,D) referred to in the following pages describing how to use the tire changer. Use of these positions ensures greater precision, speed and safety for those using the machine.

Before using the ti

WORKING POSITION

CORRECT OPERATION CHECKS

B/8

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