Coats CHD-9043 Manual

OPERATING AND MAINTENANCE INSTRUCTIONS
Electro-Hydraulic Tire Changer
For Medium and Large Size Tires
CHD-9043
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
IMPORCOM EQUIPOS AUTOMOTRICES
Blvd. Leyva Solano #830 A Pte.
Culiacan Sinaloa CP 80000
[phone]
[phone]
ID 92*1038450*4

2
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

3
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 INFORMATION
1
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.
Any work, however minor, on the electric system must be done exclusively by professionally qualied personnel.
2
TECHNICAL DATA
3
GENERAL SAFETY REGULATIONS
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.
4SAFETY DEVICES
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.
1.1 kw
1.3 / 1.8 kw
14" - 56"
2,300 mm
1,065 mm
1,500 kg
770 Kg
LpA <70 dB (A)
Electric Power requirement
220V - 3 PH - 60Hz 15 Amp

4
TRANSPORT
5
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.)
B/2
B/1
A/2
6
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.
UNPACKING
7INSTALLATION
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).
7.1
INSTALLATION PLACE
ATTENTION!
The machine must not be operated in explosive atmospheres.
2,083 lbs
(KG. 945)

5
B/5
98.4 inches (2,500 mm)
7.2
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
WORK PLACE REQUIREMENT
98.4 inches
(2,500 mm)
27.5 inches (700 mm)
39.3 inches
(1,000 mm)
A
4
2
1
3
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.
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.
Inclinations up to 0,25% relative to the horizontal can be compensated using suitable shims, wedges or alike.
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.
Ground
Reinforced concrete
Electrowelded grid
Pebble gravel
Foundationsdimensions inch (cm). Concrete
quality
Min. pressure
resistence
Length Width Thickness
B25 937 lbs/sqft
(425 Kg / cm
2
)
78,74
(200)
64,5
(164)
5,9
(15)
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.

6
3,93
1,96
5,90
3,93
3,93
inches
7.3
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.
- The current intake is adeguately protected against overcurrents with fuses or automatic magneto-thermic switch.
Note the required power draw as highlighted on the data plate xed to the tire changer. Check to make sure the
shop electric wiring circuit is dimensioned sufciently to carry this.
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.
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 .
SENSE OF ROTATION CHECKS
ø 0,31
inches
Ø 0,7
Ø 0,7
Ø 0,7
MAX 0,25%
4,9
4,9
4,9

7
8
LAYOUT OF FUNCTIONAL PARTS
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/6 B/7
12
5
6
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
A
2
4
22
3
1
C

8
D
14 15
18
17
13
9
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
3005419 3005423
3005410
3005421 3006038
3005417
3000962
3000964
3000965
3000961
3000963
3008615
3008616
3005087
3006037
ISO VG
3018044

9
10
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.
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 memorise this operation, there is a hole in the lever guard corresponding to position 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.
WORKING POSITION
CORRECT OPERATION CHECKS
12
Before using the ti
11
B/8
D
C
18
17
a
b
c
d
13
14 15

10
First use handle (15, Fig. D) to tip the arm to this position.
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.
Move the joystick towards the left (c): the tool carriage and the mobile platform (13, Fig. D) should move towards the spindle (3, Fig. A);
move the joystick towards the right (d) the carriage and platform should move away from the spindle.
2) Turn switch lever (9, Fig. C) towards the top: the spindle arms (3, Fig. A) should open; move the lever down and the spindle arms should
close.
3) Push the lever (11, g. C) upwards (e) to have the tool arm (14, g. D) released and tilted outwards; push the lever
downwards (f) to have the tool arm hooked in working position. Push the lever rightwards (h) to have the tool carriage
moved rightwards; push it leftwards to have the tool carriage moved to the opposite side.
4) Depress the right pedal (10, Fig. C): the spindle (3, Fig. A) should turn clockwise; depress the left pedal: the spindle should turn anti-
clockwise.
CAUTION!
Do not move your face close to the tool carrier arm when you release it to tip it as needed.
DANGER!
When the spindle carrier arm is lowered, there is always a potential for crushing anything in its
movement range. Always work from the position given in the instructions keep well out of the working
range of the various moving arms.
DANGER!
When the spindle arms open or closed, there is always a potential for crushing anything in their movement
range. Always work from the position given in the instructions keep well out of the spindle’s working
range.
D
C
E/1
18
17
13
14 15