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Jema Autolifte DWC-9-E Operating Manual Download Page 25

 

6.

 

Working with the machine 

6.1

 

Connecting the machine to a power outlet 

 

ATTENTION: Connect the power cord to a 230V/50Hz power outlet. 

 

ATTENTION:  because  rapid  heating  of  a  frozen  metal  and  plastic  body 
results  in  lots  of  condensation  on  its  surface,  one  should  not  plug  a  cold 
machine into a power outlet until 2 to 3 hours have passed required for all the 
electronic elements to dry and reach the ambient temperature. 
Not  complying  with  this  requirement  may  result  in  damaging  the  balancing 
machine, void warranty or - if the electric installation is not fully operational 
- an electric shock. 

6.2

 

Activating the wheel balancer 

In order to activate the wheel balancer, the power button (fig. 2.1 - 7) must be pushed 
in. After a control test ending with a signal, 

 

6.3

 

Selecting weight placement (ALU) 

After pressing 

an arrow appears on the display located near the pictogram showing 

a rim cross-section with correction weight placement. Using theand keys one 

can choose one of the following weight placement variants:

 

Table 6.2 

 

 

Balancing a car wheel with hammered weights on both sides of the rim. 

 

Static  balancing  (for  slim  rims,  using  one  weight).  Using  this  option 
for car wheels is not recommended. 

 

Balancing a car wheel with adhesive weights inside the rim.. 

 

Balancing  a  car  wheel  with  hammered  weight  on  internal  plane  and 
adhesive weight inside the rim. 

 

Static  balancing  of  a  motorcycle  wheel.  (Applicable  only  after 
mounting an optional motorcycle wheels' holder). 

 

Dynamic  balancing  of  a  motorcycle  wheel.  (Applicable  only  after 
mounting an optional motorcycle wheels' holder). 

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Summary of Contents for DWC-9-E

Page 1: ...Wheel balancer DWC 9 E OPERATING MANUAL ...

Page 2: ...Manual Wheel balancer for passenger car wheels trucks and optionally motorcycle wheels DWC 9 E Serial number Production date SUPPLIER Jema Autolifte A S Industrihegnet 2 Tel 45 48180300 2 ...

Page 3: ...ar wheels holder 16 5 3 1 Description of the holder s elements 16 5 3 2 The clamp nut 16 5 4 Holder s elements 17 5 5 Mounting motorcycle wheels holder 18 5 6 Mounting the hood 18 5 7 Fixing wheels on wheel balancer s holders 19 5 7 1 Car or delivery truck wheel 19 5 7 2 Mounting the spike holder 22 5 7 3 Car wheel in a spike holder 23 5 7 4 Motorcycle wheel 24 6 Working with the machine 25 6 1 Co...

Page 4: ...let stretch foil palet carton box Transport The package can be lifted or displaced by fork lift or pallet trucks Once the cargo arrives at its destination it is recommended to check if its contents have not been damaged during transportation It is also recommended to check the conformity of the delivery with its bill of landing In case of non conformity or transportation damages it is necessary to...

Page 5: ... work with the wheel balancer ATTENTION Lifting transportation unpacking assembly installation putting in motion preliminary adjustment and testing maintenance repairs technical inspections do not require the presence of service personnel but must be carried out with extreme precaution The manufacturer does not bear any responsibility for personnel injuries or vehicle and other object damages if a...

Page 6: ...n the machine data on name plate apply Fig 1 1 1 4 Technical specification Wheel diameter 10 30 Wheel width 2 15 Imbalance indication accuracy lg Imbalance location signal accuracy 3 Measurement time approx 7s Wheel weight up to 60kg Drive motor rating 80W Spindle rotation speed during measurement Overall dimensions 160 rpm No hood with wheel holder 1000 x 580 x 900 mm With hood opened 1170 x 1000...

Page 7: ...ory bank The wheel balancer has following attributes modem measurement system with a computer system for data processing to ensure fast and complete measurement with great accuracy the possibility to choose a program for wheel handling also for light aluminium rims with every type of balancing weights hammered or adhesive the possibility of regulating balancing accuracy according to the wheel s ma...

Page 8: ...ne equipment Fig 2 1 Wheel balancer and its elements 1 Hood 2 Arm of the hood 3 Collar of hood s axis 4 LCD display 5 Keyboard 6 Adjuster 7 Machine s main switch 8 Power cable 9 Holders for additional elements 8 ...

Page 9: ...ection place movement 3 Q Changing of threshold 4 3P Activate Hidden weight program 5 CAL Calibration 6 OPT Optimisation 7 Left Turn the wheel to left imbalance point 8 Distance Setting distance parameter 9 Diameter Setting diameter parameter 10 Width Setting width parameter 11 ALU Weight placement selection 12 Right Turn the wheel to right imbalance point 13 Plus Increase selected value 14 Minus ...

Page 10: ...llowed without prior closing of tiie hood Not satisfying the above mentioned recommendations can result in serious human injuries and irreparable wheel balancer s damages and wheel damages 3 1 General precautions It is required that the operator and the maintenance technician adapt safety rules obligatory in the country of installation Moreover the operator and the maintenance staff should read al...

Page 11: ...ancing machine the manufacturer applied suitable materials and manufacturing techniques that are necessary for this type of equipment Nevertheless the wheel balancer should be operated according to the producer s recommendations Technical service after warranty period and other maintenance works described in chapter 4 1 Maintenance should be carried out with specified periodicity ATTENTION All ope...

Page 12: ...iven in chapter 3 Safety 4 1 1 Periodical maintenance In order to keep the wheel balancer in a good operational state one should observe the below mentioned indications Clean your wheel balancer at least once a month without using any chemical washing agents or high pressure spray guns Check the operational state of all equipment periodically Lubricate all holders periodically and keep them clean ...

Page 13: ...k lift trucks have to be preserved 4 2 3 Safety designing provided in the wheel balancer The machine has been equipped with a hood which protects the operator with revolving parts of the balancer The machine has been designed in such manner as not to initiate a measurement by accident or start one with the hood opened Each measurement initiation has to be preceded with pressing the button which st...

Page 14: ... this manual The presence of shaded places light reflections or dazzling light is unacceptable One must avoid any situations leading to eye fatigue Illumination must be installed according to the regulations obligatory at the installation place it is the responsibility of the light installation contractor Before starting the installation process it is recommended to unpack all parts and check for ...

Page 15: ...ld be kept between 0 55 C The surface on which the wheel balancer will be standing should be hard and horizontal best if concrete The machine should be placed on four rubber backings provided with the equipment They should be placed under four legs welded to the wheel balancer s base 2 1 1 Required working area Fig 5 1 Machine surroundings minimal distance from walls and operator s working setting...

Page 16: ...er onto the spindle with the bolt 4 Fig 5 2 Holder for car wheels with no nut cone or bushings 1 Spindle 3 Markers 2 Holder 4 Bolt 5 3 1 Description of the holder s elements The fast mounting holder was designed for car wheels with rims having a central hole Figure 5 5 shows all of the holder s elements with their description 5 3 2 The clamp nut Figure 5 3 shows the clamp nut in two positions a CL...

Page 17: ...ing cone no 2 2 clamp nut 8 centering cone no 3 3 bolt used for mounting the holder on the 9 centering cone no 4 spindle 10 centering cone no 5 110 125mm 4 cone spring 11 centering cone no 6 125 145mm 5 nut clamp 12 centering cone no 7 145 165 mm 6 centering cone no 1 _ extra equipment 1 7 Fig 5 5 Elements of the holder ...

Page 18: ...er s bar with a matching base 1 should be placed on the machine s spindle 1 in fig 5 2 Secondly the holder s axis 3 is to be screwed to the spindle using the shorter thread and tightened using a size 22 wrench Fig 5 6 Motorcycle wheel s holder elements 1 holder s bar with a base 4 cone muff 2 pcs 2 tyre clamps 5 distance muff 6 pcs 3 holder s axis 6 holder s screw 5 6 Mounting the hood The descrip...

Page 19: ... space fig 5 1 c Then using left hand to lift the wheel place the thumb on the stud of the nut move the collar to the left to CLAMP position and screw the nut pressing to the flange of the holder fig 5 7 2 Fig 5 7 Mounting a car wheel in the holder Figure 5 8 shows two stages of dismounting a car wheel from the wheel balancer s holder In order to dismount the wheel place the holder s collar in CLE...

Page 20: ...nut clamp should be put onto the clamp nut fig 5 4 spring with a matching cone slid to the handle in such manner that bigger basis is facing the machine Lastly slide the wheel onto the cone and screw it firmly to the holder using the clamp nut Fig 5 9 Various methods of using the holder and its equipment When centering disks and cones are used for centering from the external edge of the rim one sh...

Page 21: ...Fig 5 10 Different ways of mounting wheels for various cones and their configurations 21 ...

Page 22: ...ounted on the holder Due to the fact that mounting a spike holder is dependent on the balanced wheel the whole procedure has been described in chapter 5 7 3 Fig 5 11 Spike holder s elements 1 holder s disc 7 centering muff 058 2 spikes for wheel mounting 8 centering muff 06O 3 plates 9 centering muff 065 4 pad for mounting bolt 10 cone screw 5 centering muff 055 11 spherical screw 6 centering muff...

Page 23: ... Mounting a wheel without a central hole on the spike holder Depending on the number of holes in the rim place the spikes 2 in fig 5 11 on the disc according to the numbers imprinted on the back For example if the rim has 5 holes all spikes should be placed in holes which have the number 5 at the back of the disc fig 5 12 if it has 6 holes then 3 spikes should be placed in holes with the number 3a...

Page 24: ...ly the operator must make sure that tyre clamps 2 in fig 5 6 are opened then slide one of cone muffs 4 in fig 5 6 on the axis fig 5 13 a Next after sliding the wheel to the end of the axis and placing it on the cone fig 5il3 g put the other cone muff on the axis in such way that it enters the wheel s bearing For the wheel to be tightly mounted on the holder distance muffs 5 in fig 5 6 should be pl...

Page 25: ...on fig 2 1 7 must be pushed in After a control test ending with a signal 6 3 Selecting weight placement ALU After pressing an arrow appears on the display located near the pictogram showing a rim cross section with correction weight placement Using theand keys one can choose one of the following weight placement variants Table 6 2 Balancing a car wheel with hammered weights on both sides of the ri...

Page 26: ...Hammered Adhesive weight placement on 12 o clock Adhesive weight placement on 6 o clock Icons presenting wheel position Wheel at the imbalance position Wheel at the opposite position relative to the imbalance s position Rotate the wheel according to the arrow s pointing direction Icons presenting calibration method Calibration using the device Calibration using a wheel Icons presenting wheel param...

Page 27: ...a tool for automatic inputting after pressing or keys for distance and diameter parameters and even width for weight placement modes 3 and 4 Independent of whether the weight on the left imbalance plane is hammered or glued the head of the adjuster is to be placed on the desired weight placement position For hammered weights it should be placed on the edge of the rim as presented in fig 6 1 a wher...

Page 28: ...of saving wheel parameters to memory The following screen appears c Similarly as for reading mode select one of the memory banks MEMI MEM4 and press to save the current wheel parameters into the selected memory bank Reading from and saving to a memory bank is confirmed by the word Czyt for reading or Wpis for saving blinking twice on the display 6 6 2 Imbalance recalculation Pressing makes the mac...

Page 29: ...ne a pictogram positioning weights and arrows pointing towards each other The weight should be hammered at the highest point of the rim 12 o clock With adhesive weights table 6 2 a different pictogram is shown on the display showing weight positioning which should be placed on the rim the moment when the wheel is set to arrows pointing towards each other in the place where the tip of the properly ...

Page 30: ...owing will appear on the displ RTH The operator should dismount the bare rim from the holder put a tyre on the rim inflate to a specified pressure value and mount it on the holder the same way as the bare rim was mounted before e g valve and marker way Starting another cycle results in calculation of the values and positions of rim and tyre imbalances as well as the new positioning of the tyre rel...

Page 31: ...t position In this machine state pressing the key results in moving the adhesive weight position to the bottom 6 o clock manual weight placement Pictograms on the display First weight s position Second weight s position 31 The hidden weight program breaks downa single imbalance point It is only available for weight placement modes 3 4 and 5 table 6 2 This function is used to break down the value a...

Page 32: ...holder Input data and on the RIGHT edge external hammer a model weight 80g After closing the hood AUTOSTART turned off press for a moment let go then press and hold until the machine generates a signal and the following appears on the display Calibration procedure in both cases results in displaying the following machine is ready for work ATTENTION It is impossible to conduct a correct calibration...

Page 33: ...ged potentiometer Blow the photo couplers with dry air replace the code bar replace the potentiometer The keyboard s buttons do not activate all functions Poor contact of wires connecting the keyboard to the indicator s plate and indicator s plate to the main board damaged keyboard Check all connections replace the keyboard Incorrect indications for different wheel mountings Dirty spindle and or c...

Page 34: ... 34 NOTES ...

Page 35: ...he Machinery Directive Directive 2006 42 EC safety machines applicable in the essential requirements and relevant conformity assessment procedures as well as on the essential requirements of the following directives Directive 2006 95 EC l w voltage Directive 2004 108 EC electromagnetic compatibility In order to verification of compliance with the applicable legal regulations have been consulted ha...

Page 36: ...n values of machinery and equipment PN EN 50419 2008P Marking of electrical and electronic equipment in accordance with Article 11 2 of Directive 2002 96 CE WEEE PN EN 61190 1 3 2008E Materials for connecting electronic components Part 1 3 Particular requirements for solders for electronic applications and solders with fluxes or without fluxes for soldering electronic components PN EN 61760 1 2006...

Page 37: ...d of repair is determined by the Guarantor 5 Any damage caused as a result of operating and maintaining the machine inconsistently with the instruction manual improper storage of equipment improper transport operation of equipment in climatic conditions incompatible with given in the manual or other reasons caused by the user may be removed at its expense not covered by the warranty 6 In the event...

Page 38: ...Data Repair done Signature 38 ...

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