Coats CHD-4730 Manual
OPERATING AND MAINTENANCE INSTRUCTIONS
Electro-Hydraulic Tire Changer
For Medium and Large Size Tires
CHD-4730
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.
85010071/00
Revision 06/08
IMPORCOM EQUIPOS AUTOMOTRICES
Blvd. Leyva Solano #830 A Pte.
Culiacan Sinaloa CP 80000
(667) 276 8141
(667) 716 0102
ID 92*1038450*4
2
INDEX
1 - INTRODUCTION...............................................................................................................................................................3
1.1 - Technical data............................................................................................................................................3
2 - DESCRIPTION OF THE MACHINE....................................................................................................................................4
3 - GENERAL ........................................................................................................................................................................5
3.1 - General safety rules...................................................................................................................................5
4 - TRANSPORT.....................................................................................................................................................................6
5 - UNPACKING...................................................................................................................................................................6
6 - INSTALLATION ................................................................................................................................................................7
6.1 Installation site....................................................................................................................................................................................7
6.2 Parts assembling................................................................................................................................................................................7
6.3 Electrical connection.......................................................................................................................................................................8
6.4 Operation test...................................................................................................................................................................................9
7 - OPERATION.....................................................................................................................................................................10
7.1 Notes for operation...........................................................................................................................................................................10
7.2 Rim clamping.....................................................................................................................................................................................11
7.3 Tubeless tires.......................................................................................................................................................................................12
7.3.1 Bead loosening and demounting with ROLLER TOOL.......................................................................................................12
7.3.2 Bead loosening and demounting with DOUBLE ROLLER TOOL.......................................................................................12
7.3.3 loosening and demounting with DOUBLE TOOL................................................................................................................13
7.3.4Tire mounting with ROLLER TOOL.....................................................................................................................................14
7.3.5 Tire mounting with DOUBLE TOOL.....................................................................................................................................16
7.4 Tube tires............................................................................................................................................................................................18
7.4.1 Bead breaking and tyre removing with DOUBLE TOOL.....................................................................................................18
7.4.2 Tire mounting with DOUBLE TOOL....................................................................................................................................19
7.5 Tire assembly with 3 pieces split ring..................................................................................................................................................21
7.5.1 Bead loosening and demounting with DOUBLE TOOL.......................................................................................................21
7.5.2 Tire mounting with DOUBLE TOOL....................................................................................................................................22
7.6 Tire assembly 5 pieces split ring.........................................................................................................................................................23
7.6.1 Bead breaking and demounting with DOUBLE TOOL........................................................................................................23
7.6.2 Tire mounting with DOUBLE TOOL....................................................................................................................................24
8 - RESITING........................................................................................................................................................................25
9 - STORING........................................................................................................................................................................25
10 - SCRAPPING.................................................................................................................................................................25
11- OIL TREATMENT.............................................................................................................................................................26
12 - FIRE FIGHTING MEANS.................................................................................................................................................26
13 - ORDINARY MAINTENANCE.........................................................................................................................................26
14 - IDENTIFICATION OF THE TIRE CHANGER....................................................................................................................27
15 - ACCESSORIES.............................................................................................................................................................28
ELECTRIC DIAGRAM...........................................................................................................................................................29
3
1. INTRODUCTION
Thank you for purchasing one of our tIre-changers: This label has been specically designed to t and remove truck, bus and commercial vehicle
tires, with rims from 14” to 26” and maximum 47” (1200 mm) diameter. Any other use is improper and therefore not authorized.
The machine has been constructed to the best quality principles.
This manual has been made in order to supply the owner as well as the user with the basic instructions for a correct use of the tire-changer.
That’s the only way to grant the respect of the conditions necessary to work safely and also grant the best efciency and a long life to the machine.
Read this manual with the utmost care before using the tire-changer.
Keep this manual as well as all the supplied technical literature in a safe place close to the tire-changer so as to help the users to consult it whene-
ver necessary.
The technical literature is an integral part of the machine and it must always follow the product, during it’s entire life
These instructions are intended for trained users and professionals, having a certain level of knowledge in the matter. We have therefore avoided
to describe each single operation. Always avoid to carry out operation beyond your own cability. In case of any need of assistance, your service.
Follow the directions given by this guide carefully.
Any other use not described is to be considered as
improper and irrational, and thus it will be under the
whole responsibility of the operator.
The manufacturer shall not be liable for any injury to persons or damage to things caused by improper use of this machine.
1.1. Technical data
4
Fig.2
11
12
5
16
17
10
9
8
76
7A
6A
19
20
20
2
4
3
1
14
15
13
10
18
17
1. ON/OFF main switch
2. Clamping chuck control lever for rotation
CLOCKWISE/COUNTERCLOCKWISE rotation
3. Control lever for FORWARD/BACKWARD
Movement of tool-arm carriage
4. Control lever for UP/DOWN movement of clamping chuck arm
5. Controls stand
6. The clamping xed ange plate
6A Tire clamping movable ange plate
7. 4”-8” (100 ÷ 200 mm.) clamping cone
7A 200 ÷ 300 mm. locking cone
8. Locking hub nut
9. Mounting/demounting tubeless roller
10. Wheel support sliding ramp
11. Tool tray
12. Motor belt protective cover
13. Bead loosening disk (optional)
14. Fingen tool (optional)
15. Tool lock/release pin
16. Carriage
17. Tool-arm
18. Arm locking handle
19. Movable ange locking knob
20. Anti rotation pin
21. Liofting hook
2. DESCRIPTION OF THE MACHINE
21
5
3. GENERAL
3.1_General SAFETY rules
The tire-changer has been designed and manufactured exclusively for mountig/demounting tires onto/from the rims.
Any other use is to be considered improper. The manufacturer cannot be held responsible for any damage or injury caused by an improper use.The
machine may only be used by adult staff, previously authorized and trained.
Any tampering or modication, relieves the manufacturer of eventual damages referred to the mentioned actions.The tire-changer is equipped with
instruction and warning stickers designed and produced to last over time.
In case they get damaged or destroyed the user must require the manufacturer for replacing them, using #2019026 for reference. Any work on the
electrics, however small, must be carried out by qualied staff according to the current national regulations.
Only use Original spare parts listed in the Spare Parts Catalogue. The manufacturer cannot be held responsible for any claim caused by use of
non-original spare parts.
The tire-changer may be equipped with accessories, which must be listed and approved by the manufacturer. The manufacturer cannot be held
responsible for any injury or damage deriving from unapproved accessories.
It is forbidden to use the tire-changer in places having potentially explosive atmosphere.
OIL
AGIP OSO
46
MAX.
130 bar
(1885 PSI)
Flow 4.2 lt./min
Max Press. 130 Bar
Tank Capacity
5,2 lt.
In case the warning labels are unreadable or have been removed, it is necessary to replace them immediately. Do not use
the tire-changer if one or more labels are missing. Do not add any object which could prevent the operator’s from seeing the
labels. When ordering the labels always use the ref. code given in this diagram as a reference
WARNING
6
4.
TRANSPORT, MOVING AND STORING
The machine is delivered in a cardboard box on wooden pallet.
The machine must be transported in its original package and kept in the position shown on the package itself.
Move the machine by means of a fork-lift truck having enough loading capacity. Fit the forks as shown in g.4
Should the machine be temporarily stored, make sure that the storing place has the following requirements:
- Max. relative humidity: 95%
- Temperature: min. 32°F (0°C); max. 131°F (55°C)
5. UNPACKING
After having removed the package, make sure that the tire-changer has not suffered any damage during transportation. Take out the standard deli-
vered accessories too.
The package units must be stored in a safe place, out of children’s reach, being them a possible source of danger.
Keep the packing for possible future transport
Unpack the machine by using the related hook for lifting it. Originally placed on the main chassy, close to the clamping chuck arm (21, g. 2). During
this phase pay attention not to damage the control unit, which is not xed.
After placing the machine in its installation position, always remove the liftinf hook, which may interfere with regular oparation.
55,1 inch(1400 mm)
29,5 inch(750 mm)
60 inch (1520mm)
Fig.4
1092 lbs
(Kg. 495)
7
Chose the installation site according to the current rules on Safety at Work.
The automatic tire-changer needs to be connected to the electric network. It is therefore advisable to install it in a place where this connection is
available.
Moreover, the installation space must allow the operator to use the machine and all its components without any restriction (see dimensions given in
g. 5) In case of installation outdoor it is necessary to protect the machine against rain by means of any kind of footing.
6. INSTALLATION
6.1_Installation site
IT IS FORBIDDEN to use the machine in explosive at-
mosphere
Fig.5
The tire-changer must be installed on a level concrete oor at least 6” (15 cm) thick, with a minimum concrete quality of B25 in compliance with DIN
1045 requirements (foundations). See the diagram herebelow.
If a oor of this type is not available on site, a suitable foundation under the bearing points must be provided. The installation surface must be levelled
in all directions.
Inclinations up to 0,25% relative to the horizontal can be compensated using suitable shims, wedges or the 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.
Use a Ø 16 widia bit to drill the oor to a depth of at least 0.63 inch (130 mm)., passing through the holes already provided in 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 always sure that the bolts extend at least 4.90” (125 mm) into the concrete slab, as shown in g. 6
Tighten the anchor bolts.
GROUND
REINFORCED CONCRETE
ELECTRO-WELDED 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)
8
All the operations on electrics must be carried out by proffessional electrician. Before making electric hoop up, check to make
sure the main voltage corresponds to that pronted on the voltage tag (attacched to the cord near the plug)
It is absolutely essential that:
- the system is equipped with a good grounding circuit
- protected against overcurrents with fuses or automatic magneto-thermic switch
Note the required power drow as highlighted on the data plate xed to the tire charger. Make shure the shop electric wiring circuit is dimensioned
sufciently to carry this.
The voltage drop with full load must never exceed 4% of the voltage nominal value shown by the data plate.
Connect the tire-changer to the power supply network, switch it on and check the motor running direction (same as indicated by the arrow – g.9).
In case of opposite running direction, it is necessary to have two wires inverted in the plug.
The motor run made in the opposite direction, if longer than a few seconds, can cause irreparable damages to the motor itself.
Remarks: both electrical motor and hydraulic unit motor are equipped with an overload cutout (g.10) against overloads.
6.3_Electrical connection.
6.2_Parts assembling
Mount the control stand by tting the hose in its support and x as shown in g.7 Mount the tool tray and fasten it by means of the two bolts shown
in g.8
3,93
1,96
5,90
3,93
3,93
inches ø 0,31
inches
Ø 0,7
Ø 0,7
Ø 0,7
MAX 0,25%
4,9
4,9
4,9
9
Fig.9
Fig.7
Fig. 8
Fig.10
6.4_Operation test
Before working with tire-changer it is necessary to carry out some tests to check the correct operation and installation as well.
All the following operations must be carried out with the tool-arm (17 g 2) set in non-working position.
Press handle 18 to unlock the arm. Pull it and tip it in its non working position. Refer to g. 11 for carrying out the running test.
Switch on the main switch (1) on control panel. The machine must turn on.
Set lever (2) in the position indicated by the continuous arrow to let the clamping (6) turn COUNTERCLOCKWISE.
Set lever (2) in the position indicated by the dashed arrow to let the ange (6) turn CLOCKWISE.
Set lever (3) in the position indicated by the continuous arrow to move the carriage (16) AWAY FRON THE SPINDLE.
Set lever (3) in the position indicated by the dashed arrow to move the carriage (16) FORWARDS THE SPINDLE.
Set lever (4) in the position indicated by the continuous arrow to LOWER the spindle.
Set lever (4) in the position indicated by the dashed arrow to LIFT the spindle.
When the spindle carrier arm is lowered, there is always a potential for crushing anything in its movementrange. Always work
fron the position given in the intructions keeping well out of worning range of the various moving arm
10
Fig.11
11
12
5
16
17
10
9
8
76
7A
6A
19
20
20
2
4
3
1
14
15
13
10
18
17
7. OPERATION
7.1_Notes for operation
The non-observance of instructions and warnings can cause serious injuries to the operator or third persons.
Do not use the machine before having read and understood all the instructions given in this manual.
Keep unauthorized persons far from the working area.
Make always sure to respect all the rules as previously recomended in the manual, when installing the tire-changer installation. All the operators
must be suitably trained before using the machine. Never leave objects on tire-changer, which during the working phase could represent a source of
potential hazard.
Do not modify or tamper with the tire-changer. During working phase, draw up long hair, DO NOT wear large clothes, ties, chains, rings, watches,
which could be caught by moving parts.
Keep this manual in a safe place and do not forget to check it.
To stop tire-changer in emergency case:
- Switch off the main switch to “0”
- Disconnect the electric plug
Only use original accessories and spare parts.
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