Snap-On EEWB330A Operating Instructions Manual Download | Manualshive

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EEWB330A

HANDSPIN

WHEEL

BALANCER

For:

PASSENGER

CARS

AND

LIGHT

TRUCK

WHEELS

Operating

Instructions

Form

ZEE330A

Rev

C

1
2
3
...
»

Summary of Contents for EEWB330A

Page 1: ...EEWB330A HANDSPIN WHEEL BALANCER For PASSENGER CARS AND LIGHT TRUCK WHEELS Operating Instructions Form ZEE330A Rev C ...

Page 2: ......

Page 3: ...cian s responsibility to be knowledgeable of the wheels and tires being serviced It is essential to use proper service methods in an appropriate and acceptable manner that does not endanger your safety the safety of others in the work area or the equipment or vehicle being serviced It is assumed that prior to using theModel EEWB330A Wheel Balancer the operator has a thorough understanding of the w...

Page 4: ...To reduce the risk of fire do not operate equipment in the vicinity of open containers of flammable liquids gasoline 6 Keep hair loose fitting clothing fingers and all parts of the body away from moving parts 7 Adequate ventilation should be provided when working on operating internal combustion engines 8 To reduce the risk of electric shock do not use on wet surfaces or expose to rain 9 Do not ha...

Page 5: ...manual is a part of the balancer product Read carefully all warnings and instructions of this manual since they provide important information concerning safety and maintenance 1 2 BALANCER APPLICATION The Snap on wheel balancer model EEWB330A is intended to be used as equipment to balance car and light truck wheels within the following range Maximum wheel diameter 42 1067mm Maximum wheel width 20 ...

Page 6: ...ms Self test check with every power up cycle Fast operator calibration Pre programmed Error Codes indicate procedural errors or safety concerns SPEED and DURABILITY Automatic distance and diameter entry Simply touch the SAPE arm to the wheel the distance and diameter parameter is automatically entered Quick clamp speed nut reduces wheel mounting time Captured back spring eliminates having to handl...

Page 7: ... 6 EAC0058D08A Disk Pressure 7 EAA0263G66A Quick Nut 8 EAM0005D40A Weight Calibration 9 EAM0021D90A Standard 40mm Stub Shaft Weight Pliers Figure3 Versatile weight hammer plier In addition to hammering on weight and used weight removal the hammer plier can be used to reshape worn weight clips and trim weight to size 10 EAA0247G21A Caliper Rim Width 11 EAC0060G02A Flange Cover Hook 12 EAM0006G01A P...

Page 8: ...Install the machine in a dry covered area The installation of the machine requires a working area of at least 62 x 50 1574 x 1270 mm Figure 5 NOTE Do not install the balancer below grade level or in a pit Figure 5 Recommended Work Area 1 9 INSTALLATION INSTRUCTIONS CAUTION CAREFULLY REMOVE THE BALANCER FROM THE PALLET Remove the hardware that secures the machine to the pallet and slide the balance...

Page 9: ...t amount and various operation messages 3 Position Indicator LEDs Displays the location for wheel weight placement 4 Outside Weight Amount and Function Display Window Shows outside or right weight amount and various operation messages 5 Enter Key Stores the data Figure 9 6 Mode key Allows the operator to enter the special functions mode Mode indicators are shown in the grey box below the weight am...

Page 10: ...ll be a delay of several seconds before the display is activated CABINET Figure 10 12 Display Easy to read user friendly display featuring large LEDs and one button functions 13 Weight Storage Tray Generous storage for a variety of weight profiles and sizes as well as built in storage pockets for the standard centering cones 14 Accessory Storage Four sturdy side mounted pegs are supplied for stora...

Page 11: ...y all standard wheels and many alloy wheels have accurately machined center holes and they should be mounted with center cones Accurate balancing depends on accurate mounting of the wheel and correct seating of the cone in the pilot hole Insure that the wheel is centered on the shaft exactly as it will be mounted to the vehicle Before starting any balancing procedure it is very important that the ...

Page 12: ...ruck wheels and re prec tape whee whee cent must be moved away from fl 5 1 4 inch diameter light truck cone Part Number EEWB3 5 intru whe WHEEL MOUNTING REQU IAL TOOLING wheels A Clad Wheel is a wheel casting is balanced but the wheel face is not To finish the wheel face a plastic ed face is bonded to the casting w side of the wheel using precision collets d of a centering cone A precision collet ...

Page 13: ...cted as a default and the LEDs correspondin g to th e wheel weight location are lit on Figure 16 Before spinning the wheel although it may be done afterwards choose the appropriate balancing mode for the wheel To select the various placement modes press the 9 Weight Placement button until placement LEDs indicate desired place ment position STATIC single plane Suggested for narrow rims 3 or less or...

Page 14: ...applied symmetrically to the rim flanges the compensation planes for the adhesive weights are read precisely using the internal and external gauge arm Alu 2 Adhesive weights Adhesive weight on rim flange adhesive weight hidden in rim disc with NOMINAL positioning Function not included in Easyalu mode Alu 2P Adhesive weights Adhesive weight on rim flange adhesive weight hidden in rim disc the compe...

Page 15: ...n weights to be calculated exactly Fig 5 14 Internal Calibration Gauge for rim distance and diameter 1 Internal Calibration with gauge head 2 Gauge head 3 Reference edge for distance reading X Using the distance and diameter measurement Internal Gauge 1 Figure 5 14 the distance between the machine and the left correction plane is detected and obtained automatically as well as the diameter of the r...

Page 16: ...ured values and consequently inaccurate results of the measuring run Fig 5 15 a to 5 15 f show correct application with and without adhesive weight of the gauge head on various rims and for various weight fitting positions Fig 5 15 a Standard wheel Steel rim1 Gauge head 2 Rim Fig 5 15 b Standard wheel Alloy rim Fig 5 15 c Light truck wheel Steel rim Fig 5 15 d Light truck wheel 15 taper steel rim ...

Page 17: ...ng the key W Fig 5 17 Press the key or 1 2 Fig 5 17 until the required value is reached 5 6 3 2 Manual entering of the Offset Position the gauge arm correctly 1 Fig 5 18 Access the ENTERING RIM OFSET selecting the key O Fig 5 17 Read the arm extract the value on the gauging rod Enter the value read previously using the appropriate keys or 1 2 Fig 5 17 5 6 3 3 Manual entering of the rim Diameter Re...

Page 18: ...ry C4 7 1 1 Wheel correctly clamped 5 1 Important Calculation and recommendation for optimization as well as the optimization procedure itself will only be accurate if the rim width has been correctly entered Automatic rim distance and diameter reading with an internal gauge arm Move the internal gauge arm gauge into position on the rim to select the initial weight application position internal ri...

Page 19: ... first wheel The selections stay set until other new data is set or the machine is switched off 5 8 1 Measuring imbalance Having completed the preliminary operations a Measuring run can be launched Wheel measuring run PROFILING mode After measurement the balance weights can be fitted or a weight minimization or optimization run 5 11 can be carried out After measurement the machine stops automatica...

Page 20: ...d all the rotation indicators should be ON If the wheel has been pushed too far only the indicators of the other half will come ON Figure 5 21 If this happens the wheel must be delicately turned in the opposite direction until the WAP position is reached The weight to be applied in that plane is shown on the display Attaching a clip on weight Refer to Figure 5 17 Clip on weights must always be app...

Page 21: ...otate the wheel to the next WAP position 2 Fig 5 23 put the stick on weight on the gauge arm and apply the weight at the left plane reference point After applying the balance weights perform a Test Run 5 9 2 Check spin It is good practice to perform a check spin after applying the weights Spin the wheel Having finished the Test Run if the wheel is balanced correctly both the numerical indicators s...

Page 22: ...able with this mode Select this mode to hide the right plane weight behind the two spokes that are nearest to the calculated weight application position That way the weights are not visible from outside Take into account the following limitations Fig 5 27 the whole enclosed angle is limited to 120 both angles from visible weight position to either hidden weight position must be bigger than 0 Apply...

Page 23: ...a short beep will be heard The unit will calculate the weights that must be applied to position S1 and S2 Slowly rotate the wheel by hand to a weight application position Fig 5 30 Apply the weight with the gauge arm Slowly rotate the wheel by hand again until the WAP indicator goes off and on again Apply the weight with the gauge arm Select Enter to exit this mode Selecting Enter several times dep...

Page 24: ...ce of the rim can be readjusted relative to the unbalance of the tyre such that the unbalances compensate each other and the smallest possible weight for unbalance correction is determined 5 11 2 Instructions for the optimization weight minimization programs Compensation of unbalance of the clamping device is cancelled by starting an optimization or minimization run C4 7 1 1 Preparation Make sure ...

Page 25: ...he valve position exactly perpendicular to and above the main shaft Read just the rim so that the valve is exactly perpendicular to and above the main shaft Press the ENTER key 1 to acquire the valve position The OP 2 reading appears An incorrect valve position entry can be corrected afterwards Weight minimization If no optimization but only weight minimization i e without compensation run for the...

Page 26: ...h the OP program Reading OP 5 H1IfOP 5 H1 appears further optimization is not recommended since the measurement values which activated the optimization recommendation are below the limit value However it is possible to continue optimization for the most silent possible wheel running reducing imbalances below the limit value critical vehicle To continue optimization To continue with the OP program ...

Page 27: ...mal program Read just the wheel according to the left direction indicator and make a double mark on the left side of the tire exactly perpendicular to and above the main shaft Remove the wheel from the machine Turn the tire over on the rim and readjust until the double mark coincides with the valve Clamp the wheel on the balancer and read just it so that the valve is exactly perpendicular to and a...

Page 28: ...just so that the valve is exactly perpendicular to and above the main shaft Press the ENTER key 1 to acquire the valve position Reading OP 8 appears Fig 5 34 Spin the wheel START check run If balancing optimization silent running has been carried out correctly according to the program cycle after the check run the machine automatically returns to the type of weight positioning previously selected ...

Page 29: ...cquire the valve position Reading Un 4 appears Fig 5 34 Spin the wheel START The measuring run is carried out After the measuring run two readings are possible Un 5 H1 Further minimization is not recommended but is possible Un 5 I 1Reference mark Fig 5 35 Continue with the UN program Reading Un 5 H1 I fUn 5 H1 appears further minimization is not recommended since the measurement values do not exce...

Page 30: ...n the rim normal program Read just the wheel according to the left direction indicator and make a double mark on the left side of the tire exactly perpendicular to and above the main shaft Fig 5 36 Remove the wheel from the machine Turn the tire over on the rim and read just until the double mark coincides with the valve Fig 5 37 Clamp the wheel on the balancer and read just it so that the valve i...

Page 31: ...e is exactly perpendicular to and above the main shaft Press the ENTER key 1 to acquire the valve position Reading Un 8 appears Fig 5 34 Spin the wheel START check run If weight minimization was carried out correctly according to the program cycle the machine automatically returns to the type of weight positioning previously selected and indicates the residual dynamic imbalance on the wheel Balanc...

Page 32: ...ultaneously for 3 seconds See Figure 5 40 The function starts with the SAVE option The data an be saved to the user displayed on the right Refer to Figure 5 40 for the default setting To clear the data without saving Select Enter when user is displayed To save data Select or to scroll along User A B C or D Select Enter to save to the selected user The function proceeds with the RECALL option The d...

Page 33: ...n menu 5 12 4 Dimension Unit Toggle Mode Setting the basic unit of measure for diameter and width inches Select this mode to change the unit of measure of the diameter and width before or after carrying out a balancing operation Select the MODE key until the dimensional units indicator blinks The mm indicator will start flashing The display should now appear as shown in Figure 5 44 Note Make sure ...

Page 34: ...weeks or longer prepare the unit correctly Shut down the unit properly 5 4 4 Remove the stub shaft from the flange Apply a light non corrosive oil onto all threads and cones Wrap oiled items in paper to keep the parts dust free When the unit will be put into use again clean all oiled parts 6 2 Changing the main fuse Refer to Figure 6 1 Switch off the unit Unplug the power cord from the power outle...

Page 35: ...lar measuring readjustment Balance a wheel as a NORMAL weight mode to less than 5 grams per plane Check in Fine mode Select the MODE key and the precision key together for 5 seconds The display shows CAL 1 and the unit beeps Spin the wheel When done the display shows CAL 2 Mount the User Calibration Weight refer to Figure 6 2 Spin the wheel The wheel will be braked After a few seconds the display ...

Page 36: ...ch in OFF position Set power switch in ON position 2 No power cable connected Connect power cable to power outlet 3 No mains power Check power supply power system fuses 4 Unit fuse s blown Replace unit fuse s 6 2 If the fuse s has have recently been replaced call service to check the unit When switched on a beep is heard for 1 second 1 Configuration error 2 Call Tech Support Display appears to fre...

Page 37: ...n is required Have the gauge arm calibrated Balancing results are unreliable 1 The balancer may not be installed properly Make sure the unit rests on its 3 feet only Make sure the floor is not relaying shocks or vibrations for example from trucks passing close to the unit 2 The wheel may be mounted incorrectly Check the hub cones and adapters for play Use appropriate spacers to eliminate play Perf...

Page 38: ...the readout shows the desired code number e g C0 Press the ENTER key 5 to acquire the selection The right number readout shows the current state e g 0 which in this case means switched off If the desired state is already on the readout Press the STOP key 10 Fig 7 1 once to return to C codes selection Fig 7 2 and a second time to definitively exit and return to the operating mode If the desired sta...

Page 39: ...election is permanently acquired Code C4 Compensation of residual unbalance if any in the clamping means High precision measurement Every time the clamping means are substituted compensation must be deleted or carried out again with the new means fitted Resetting the operating state to 0 cancels the clamping means compensation The compensation is also cancelled following balancer calibration or re...

Page 40: ...reshold value for suppression of minor unbalance readings in grams or ounces The unit of measurement grams or oz depends on the setting 5 4 3 Grams Range 3 50 to 20 0 grams Factory adjusted to 5 0 grams Select another limit e g 5 50 grams Select Code C8 Set the value 5 50 Press ENTER Ounces Range 0 12 to 0 71 oz Factory adjusted to 0 18 oz Select another limit e g 0 50 oz Select Code C8 Set the va...

Page 41: ...easuring run for left plane Position brake after measuring run for right plane Note The selection is permanently acquired Code C11 Main shaft stop position The positioning brake stops the main shaft close to the correction position by initiating pulsing braking The positioning brake is activated after switch on and after a measuring run has been carried out and found an unbalance greater than the ...

Page 42: ...ng runs in Service mode5 Total number measuring runs since last calibration Every measuring run completed is saved Maximum count is 999 999 measuring runs Once this number is reached the counter is reset to zero The information is primarily useful for statistical purposes for example to monitor the endurance of faulty parts or monthly yearly use of the machine etc The measuring runs performed whil...

Page 43: ...he type as NORMAL with less than 5 grams per plane Check in fine mode Go into code C14 CAL 1 appears and the machine beeps Perform the wheel measuring run At the end the display shows CAL 2 Screw on the User Calibration Weight as shown in Figure 6 2 Perform the wheel measuring run At the end the display appears as shown in Figure 7 3 to indicate that calibration was performed correctly Note Any er...

Page 44: ...called up and consulted by the wheel balancer operator for remote diagnosis of malfunctions The most recent error code is saved in memory location 1 Previous error codes are gradually shifted down the memory list Go into code C28 CONSULTING THE ERROR COUNTERS Press and release the or key to scroll through the list of errors Note When the key is pressed the number of the error in the list is shown ...

Page 45: ...key E 9 7 1 3 E10 Gauge arm removed from idle position during wheel spin Bring gauge arm to the idle position fully in and down Re spin the wheel without touching the gauge arm If the error appears again have the gauge arm calibrated by the service department Display clears after several seconds E11 During ignition the gauge arm is not in the idle position Move the gauge arm back carefully to the ...

Page 46: ...uired speed the needs to be fixed Check that the wheel is not obstructed or impeded by something Check the power supply Fit the wheel properly Call for service E25 Reverse error The shaft is rotating at a certain speed but in the wrong direction Apply the brake Contact the service department The display clears when rotation stops E26 No acceleration No shaft acceleration has been registered Contac...

Page 47: ...arried out by the manufacturer Fit the User Calibration Weight correctly on the left side of the flange Repeat Calibration Contact the service department E82 Fault during self test at start up Switch unit off wait for 20 seconds Switch unit on E92 During the second attempt the gauge arm for distance and rim diameter was still not in the home position The gauge arm is rendered inoperative Wait 5 se...

Page 48: ...eel The message is displayed for 3 seconds then the measurement is repeated max 10 times or aborted by pressing the STOP key H90 Wheel acceleration was too slow or braking was too weak after a measuring run If the main shaft does not reach the required speed check that the brake is not activated or the weight of the wheel is too great In this case Release the brake Make sure that the shaft with th...

Page 49: ...NOTES ...

Page 50: ......

Page 51: ...istered trademark of Snap on Inc ZEEWB330A 07 01 2014 wdc copyright Equipment Services 2010 All rights reserved Snap on Equipment Services 2801 80th Street Kenosha WI 53141 1410 For Service Call 1 800 225 5786 ...

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