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C75 -A
User Manual
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CEMB USA C75 -A User Manual

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Operating instructions
Contents page
1- GENERAL ................................................................................................................................................................................. 3
1.1 - GENERAL SAFETY RECOMMENDATIONS ............................................................................................................ 3
1.1.1 - STANDARD SAFETY DEVICES ................................................................................................................ 3
1.2 - FIELD OF APPLICATION ......................................................................................................................................... 3
1.3 - OVERALL DIMENSIONS ......................................................................................................................................... 3
1.4 - SPECIFICATION ...................................................................................................................................................... 4
2 - HANDLING AND HOISTING ................................................................................................................................................... 4
3 - COMMISSIONING ................................................................................................................................................................... 5
3.1 - ANCHORING ............................................................................................................................................................ 5
3.3 - PNEUMATIC CONNECTION (Versions SE) ............................................................................................................. 5
3.4 - EXTRA SAFETY DEVICES (Version SE) ................................................................................................................. 5
3.6 - GUARD MOUNTING AND ADJUSTMENT .............................................................................................................. 8
3.7 - SPACER WD .............................................................................................................................................................. 8
4 - CONTROLS AND COMPONENTS .......................................................................................................................................... 9
4.1 - BRAKE PEDAL ......................................................................................................................................................... 9
4.2 - PNEUMATIC LOCKING PEDAL (Version SE) .......................................................................................................... 9
4.3 - AUTOMATIC DISTANCE AND DIAMETER GAUGE ................................................................................................ 9
4.4 - AUTOMATIC WIDTH GAUGE (Optional) .................................................................................................................. 9
4.5 - AUTOMATIC WHEEL POSITIONING......................................................................................................................... 9
4.6 - CLOCK CONTROL.................................................................................................................................................... 9
4.7 - KEYBOARD.............................................................................................................................................................. 10
5 - INDICATIONS AND USE OF THE WHEEL BALANCER ...................................................................................................... 11
5.1.2 SCREEN-SAVE SCREEN .......................................................................................................................... 11
5.3 - PRESETTING OF WHEEL DIMENSIONS ............................................................................................................. 13
5.3.1 AUTOMATIC PRESETTING ....................................................................................................................... 13
5.3.2 - MANUAL PRESETTING ........................................................................................................................... 15
5.4 - USER CONTROL ................................................................................................................................................... 16
5.4.1 - USER MEMORIZATION ........................................................................................................................... 16
5.4.2 - TO CALL USER ........................................................................................................................................ 16
5.5 - RESULT OF MEASUREMENT ............................................................................................................................... 17
5.5.1 - INDICATION OF EXACT CORRECTION WEIGHT POSITION ............................................................... 18
5.5.3 - UNBALANCE OPTIMIZATION ................................................................................................................. 20
5.5.4 - CORRECTION MODE ............................................................................................................................... 21
5.5.5 - TO CANCEL STATIC UNBALANCE ......................................................................................................... 21
5.6 - STATISTICS.............................................................................................................................................................. 21
5.7.1 - PRESETTING OF TOLERANCE ON THE MACHINE................................................................................ 23
5.7.2 - VALUE OF STATIC UNBALANCE, CORRELATED WITH ECCENTRICITY .............................................. 23
5.7.3 - VALUE OF UNBALANCE CORRESPONDING TO ECCENTRICITY......................................................... 23
5.8 - ECCENTRICITY MEASUREMENT (OPTIONAL) .................................................................................................. 24
6 - SETUP ............................................................................................................................................................................... 26
6.1 - LANGUAGE ............................................................................................................................................................ 26
6.2 - UNIT OF UNBALANCE MEASUREMENT ............................................................................................................. 26
6.3 - UNBALANCE DISPLAY THRESHOLD ................................................................................................................... 26
6.4 - UNBALANCE DISPLAY PITCH .............................................................................................................................. 26
6.5 - SPIN WITH GUARD CLOSED ............................................................................................................................... 26
6.7 - VISUAL ECCENTRICITY CHECK .......................................................................................................................... 26
6.8 - ACUSTIC SIGNAL.................................................................................................................................................... 26
6.9 - CLOCK SET-UP ....................................................................................................................................................... 26
I
CAUTION
7 - SPECIAL CALIBRATIONS AND FUNCTIONS .................................................................................................................... 27
7.1 - ENABLING OF WIDTH MEASUREMENT .............................................................................................................. 27
7.2 - PRESETTING THE CUSTOMER AND USER NAME .............................................................................................. 27
7.3 - ENABLING OF ECCENTRICITY MEASUREMENT................................................................................................ 27
7.4 - CALIBRATIONS........................................................................................................................................................ 27
7.4.1 - GAUGE CALIBRATION .............................................................................................................................. 27
7.4.2 - WHEEL BALANCER CALIBRATION .......................................................................................................... 28
7.4.3 - AMBIENT TEMPERATURE ........................................................................................................................ 28
7.4.4 - SELF-DIAGNOSTICS................................................................................................................................. 28
7.4.4.1 - TO CHECK THE ENCODER .................................................................................................................. 28
7.5 - CONTROL OF SERIAL OUTPUT (OPTION) ........................................................................................................... 29
8 - ERRORS ............................................................................................................................................................................... 30
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9 - ROUTINE MAINTENANCE .................................................................................................................................................... 31
10 - RECOMMENDED SPARE PARTS LIST .............................................................................................................................. 31
11 - SETTING MONITOR COLOURS........................................................................................................................................... 32
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1- GENERAL
1.1 - GENERAL SAFETY RECOMMENDATIONS
- The balancing machine should only be used by duly authorized and trained personnel.
- The balancing machine should not be used for purposes other than those described in the instruction manual.
- Under no way should the balancing machine be modifi ed except for those modifi cations made explicitly by the manufacturer.
- Never remove the safety devices. Any work on the machine should only be carried out by duly authorized specialist personnel.
- Do not use strong jets of compressed air for cleaning.
- Use alcohol to clean plastic panels or shelves (AVOID LIQUIDS CONTAINING SOLVENTS).
- Before starting the wheel balancing cycle, make sure that the wheel is securely locked on the adapter.
- The machine operator should not wear clothes with fl apping edges. Make sure that unauthorized personnel do not approach the balancing machine during the work cycle.
- Avoid placing counterweights or other objects in the base which could impair the correct operation of the balancing machine.
1.1.1 - STANDARD SAFETY DEVICES
- STOP push button for stopping the wheel under emergency conditions.
- The safety guard of high impact plastic is with shape and size designed to prevent risk of counterweights from fl ying out in any direction except towards the fl oor.
- A microswitch prevents starting the machine if the guard is not lowered and stops the wheel whenever the guard is raised.
1.2 - FIELD OF APPLICATION
The machine is designed for balancing car or motorcycle wheels weighing less than 65 kg. It can be operated within a temperature range of 0° to +45°C. It can measure the geometric radial run-out of the wheels (optional)
1.3 - OVERALL DIMENSIONS (42" guard)
Fig. 1
1362
1865
1690
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1.4 - SPECIFICATION
Single phase power supply..............................115 - 230 V 50-60 Hz
Protection class ...............................................IP 54
Max. power consumption.................................1100 W
Monitor ............................................................SVGA 15"
Balancing speed approx..................................180 min
Cycle time for average wheel (14 Kg) ..........6 seconds
Balancing accuracy .........................................0,5 grams
Position resolution ...........................................± 1.4 °
Average noise level .........................................< 70 dB(A)
Distance rim - machine....................................0 - 280 mm (400 mm can be preset)
Rim width setting range ..................................1.5" ÷ 20" or 40 ÷ 510 mm
Diameter setting range ....................................10" ÷ 26" or 265 ÷ 665 mm
Total wheel diameter within guard ...................1067mm (42")
Total wheel width within guard.........................500 mm (42")
Max. wheel weight ...........................................65 Kg.
Min/max. compressed air pressure ................7 ÷ 10 Kg/cm
.........................................................................approx. 0.7 to 1 Mpa;
.........................................................................approx. 7 to 10 BAR;
.........................................................................approx. 100 to 145 PSI.
-1
2
2 - HANDLING AND HOISTING
N.B.: DO NOT HOIST THE WHEEL BALANCER USING DIFFERENT GRIPS
Fig. 2 Fig. 2a
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3 - COMMISSIONING
3.1 - ANCHORING
The machine can be operated on any fl at non-resilient fl oor. Make sure that the machine rests solely on the three support points provided (fi g. 2a). If possible, it is advisable to anchor to the fl oor using relative mounting feet (see fi g. 2a) in the event of continual use with wheels weighing over 35 Kg.
3.2 - ELECTRICAL CONNECTION
The machine is supplied with a single phase mains cable plus earth (ground). The supply voltage (and mains frequency) is given on the machine nameplate. It may NOT be changed. Connection to the mains should always be made by expert personnel. The machine should not be started up without proper earth (ground) connection. Connection to the mains should be through a slow acting safety switch rated at 4A amp (230V) or 10 amp (115V) .
3.3 - PNEUMATIC CONNECTION (Versions SE)
For operation of the spindle with pneumatic locking (constant thrust air spring) connect the balancing machine to the compressed air main. The connection fi tting is located at the back of the machine. A pressure of at least 7 kg/cm operation of the release device.
3.4- EXTRA SAFETY DEVICES (Version SE)
- Wheel always locked even when there is pressure failure during the balancing cycle. Always actuate the unlocking control pedal with the machine stationary in order to avoid stress and abnormal wear on the adapter.
2
(approx. 0.7 MPa or 7 BAR or 100 PSI) is required for correction
3.5 - ADAPTER MOUNTING
The balancing machine is supplied complete with cone adapter for fastening wheels with central bore. Other optional fl anges can be mounted once the terminal part is removed (also see enclosed brochures) N.B. : CAREFULLY CLEAN THE COUPLING SURFACES BEFORE PERFORMING ANY OPERATION.
a) DISMOUNTING THREADED END PIECE
Fig. 3
A
B
a) Back-off screw B and remove threaded end-piece A. b) Fit the new adapter
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Mounting
0 mm
SE2
a
1-2 mm
c
b
d
e
g
f
SE2_ 0140
SE2
Dismounting
360°
a
c
b
d
Cone
e
- Quando possibile, centrare le ruote con cono dall'interno (vedi disegno).
- Evitare di usare il manicotto RL con cerchi di ferro.
- Whenever possible, centre the wheels with the cone from the inside (see the drawing).
- Avoid using the RL sleeve with metal rims.
- Lorsque c’est possible, centrer les roues avec le cône de l’intérieur (voir dessin).
- Eviter d’utiliser le manchon RL avec les jantes en fer.
- Wenn möglich, die Räder mit Konus von Innen heraus zentrieren (siehe Zeichnung).
- Bei Eisenfelgen die Verwendung der Muffe RL vermeiden.
- Siempre que sea posible, centrar las ruedas con cono desde dentro (véase dibujo).
- Evitar usar el manguito RL con llantas de hierro.
- Quando possível, centre as rodas com cone pelo lado de dentro (ver fi gura).
- Evite utilizar a luva RL com jantes de ferro.
SE2_ 0140
3.6 - GUARD MOUNTING AND ADJUSTMENT
a) Fasten the components to the base as illustrated in specifi c exploded view. b) The position of the wheel guard when closed can be adjusted with relative screw accessible at the
back. Correct position is the one which keeps the tube exactly horizontal with wheel guard closed.
c) Check that the microswitch is held down when the guard is closed. d) Adjust the angular position of microswitch control.
3.7 - SPACER WD
When balancing very wide wheels (9”), there is not enough space to turn the distance gauge. To withdraw the wheel from the machine side, fi t spacer WD on the adapter body and secure it with the standard issue nuts. When centring the wheel with the cone on the inside, fi t the other cone as a spacer to obtain spring thrust.
Fig. 4
Spring
DC
WD
Cone
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4 - CONTROLS AND COMPONENTS
4.1 - BRAKE PEDAL
Fig. 5
4.2 - PNEUMATIC LOCKING PEDAL (Version SE)
Fig. 6
This pedal allows the operator to hold the wheel when fi tting the counterweights.
It must not be actuated during the measuring cycle.
This pedal allows releasing the device fastening the wheel on the adapter.
Do not actuate this pedal during the machine cycle and/or when adapters other than the standard cone adapter are mounted. The pedal has two stable positions: top, wheel unclamped; bottom, wheel clamped.
4.3 - AUTOMATIC DISTANCE AND DIAMETER GAUGE
This gauge allows measurement of the distance of the wheel from the machine and the wheel diameter at the point of application of the counterweight. It also allows correct positioning of the counterweights on the inside rim by using the specifi c function (see allows reading, on the monitor, the position used for the measurement within the rim (For calibration, see the corresponding section).
The gauge can only be used with the counterweight pincers mounted.
Indication of exact correction weight position ) which
4.4 - AUTOMATIC WIDTH GAUGE (OPTIONAL)
Width gauging is through a SONAR device which measures the distance of the wheel without mechanical contact, merely by closing the guard and each time a valid measurement has been made with gauge
AUTOMATIC DISTANCE AND DIAMETER GAUGE.
4.5 - AUTOMATIC WHEEL POSITIONING
At the end of the spin, the wheel is positioned according to the unbalance on the outside or else according to the static unbalance (when selected). Accuracy is ± 20 degrees.
4.6 - CLOCK CONTROL
The wheel balancer is provided with a clock having a back-up of about one month with the machine switched off. If the machine remains off for a long period, at the fi rst switch on, check the date and time (see Clock set-up), adjusting them if necessary.
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4.7 - KEYBOARD
FUNCTION KEYS: they immediately select corresponding function
Selection of special functions
Confi rm
Starts measuring cycle
Stops measuring cycle
N.B. - Press the buttons with the fi ngers only: never use the counterweight pincers or other
pointed objects.
- When the beep signal is enabled (see section Acustic Signal), pressing of any push button
is accompanied by a “beep”.
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