Snap-On EEWB308B User manual

EEWB308B
COMPUTER WHEEL BALANCER
FOR:
MOTORCYCLE WHEELS
OPERATIONINSTRUCTIONS
Form ZEEWB308B
®®
®®
®

For your safety, read this manual thoroughly
before operating the Model EEWB308B Wheel Balancer
The Model EEWB308B WheelBalancer isintendedforuse by properlytrained automo-
tive technicians. The safety messages presented in this section and throughout the
manual are reminders to the operator to exercise extreme caution when servicing tires
with these products.
There are many variations in procedures, techniques, tools, and parts for balancing
tires,as well asthe skill of the individualdoing the work. Becauseof the vast number of
wheel and tire applications and potential uses of the product, the manufacturer cannot
possibly anticipate or provide advice or safety messages to cover every situation. It is
the automotive technician'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 EEWB308B Wheel Balancer, the operator
has a thorough understanding of the wheels and tires being serviced. In addition, it is
assumedhe has athorough knowledge of theoperation and safetyfeatures of therack,
lift, or floor jack being utilized, and has the proper hand and power tools necessary to
service the vehicle in a safe manner.
Before using the Model EEWB308B Wheel Balancer, always refer to and follow the
safety messages and service procedures provided by the manufacturers of the equip-
ment being used and the vehicle being serviced.
IMPORTANT !! SAVE THESE INSTRUCTIONS -- DO NOT DISCARD !!
SAFETY INFORMATION

Page2
IMPORTANT SAFETY INSTRUCTIONS
When using this equipment, basic safety precautions should always be followed,
including the following:
1. Read all instructions.
2. Donotoperateequipmentwithadamagedpowercordoriftheequipmenthasbeen
damaged - until it has been examined by a qualified authorized service technician.
3. If an extension cord is used, a cord with a current rating equal to or more than that
of the machine should be used. Cords rated for less current than the equipment
mayoverheat. Careshouldbetakentoarrangethecordsothatitwillnotbetripped
over or pulled.
4. Always unplug equipment from electrical outlet when not in use. Never use the
cord to pull the plug from the outlet. Grasp plug and pull to disconnect.
5. To reduce the risk of fire, do not operate equipment in the vicinity of open
containers of flammable liquids (gasoline).
6. Keephair,loosefittingclothing,fingersandallpartsofthebodyawayfrommoving
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 hammer on or hit any part of the control panel with weight pliers.
10. Do not allow unauthorized personnel to operate the equipment.
11. Use only as described in this manual. Use only manufacturer’s recommended
attachments.
12. Always securely tighten the wing nut before spinning the shaft.
13. ALWAYS WEAR SAFETY GLASSES. Everyday eyeglasses only have impact
resistant lenses, they are NOT safety glasses.
14. Balancer is for indoor use only.
SAVE THESE INSTRUCTIONS

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ModelEEWB308B OperatorsManual
TABLE OF CONTENTS
SAFETYINFORMATION .................................................................................................... 1-2
1.0INTRODUCTION ............................................................................................................. 4
1.1SAFETY NOTICE............................................................................................................ 4
1.2BALANCERAPPLICATION ............................................................................................ 4
1.3EEWB308BSPECIFICATIONS ...................................................................................... 5
1.4 FEATURES..................................................................................................................... 5
1.5 STANDARDACCESSORIES ......................................................................................... 6
2.0DIMENSIONS OFTHEMACHINE................................................................................... 7
2.1REQUIRED INSTALLATIONAREA.................................................................................. 7
2.2INSTALLATIONINSTRUCTIONS ..................................................................................... 7
2.3FLANGEADAPTERINSTALLATION............................................................................... 8
2.4ARBORINSTALLATION .................................................................................................. 8
2.5ELECTRIC INSTALLATION ............................................................................................. 8
3.0TERMINOLOGY .............................................................................................................. 9
4.0OPERATIONOFTHE BALANCER ............................................................................... 10
4.1 CHECKLIST- INSPECTION........................................................................................ 10
4.2 WHEELMOUNTING..................................................................................................... 10
4.3MODESELECTIONS ................................................................................................... 11
4.4SELECTINGOPERATORPREFERENCES ................................................................. 12
4.4.1FINEBALANCINGMODE.......................................................................................... 12
4.4.2OUNCE/GRAMS CONVERSION ............................................................................... 12
4.4.3RIMDIAMETERINMILLIMETERS ............................................................................. 12
4.5ENTERRIM PARAMETERS ......................................................................................... 12
4.6 CORRECTIONOF THEIMBALANCE ........................................................................... 13
4.7VERIFICATIONOFTHE RESULTS ............................................................................... 13
4.8 VIBRATIONPROBLEMS.............................................................................................. 13
5.0 CALIBRATION VERIFICATION- P14........................................................................... 14
6.0RIMOFFSETGAUGECALIBRATION- P80.................................................................. 15
7.0EXPLANATIONOF PROGRAM CODES ...................................................................... 16
8.0MAINTENANCE............................................................................................................ 16
9.0TROUBLESHOOTING.................................................................................................. 16

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1.0 INTRODUCTION
Congratulations on purchasing the EEWB308B computer wheel balancer. This wheel balancer is de-
signed for ease of operation, accuracy, reliability and speed. With a minimum of maintenance and care
yourwheel balancerwill providemany yearsof trouble-freeoperation.
Instructionsonuse,maintenance andoperationalrequirementsofthemachinearecoveredin thismanual.
STORETHIS MANUAL INA SAFEPLACE FOR FUTUREREFERENCE.
READTHIS MANUALTHOROUGHLYBEFOREUSING THE MACHINE.
1.1 SAFETY NOTICE
This manual is a part of the balancer product.
Read carefully all warnings and instructions of this manual since they provide important information
concerningsafety andmaintenance.
1.2 BALANCER APPLICATION
TheSnap-onwheelbalancermodel EEWB308B isintendedtobeused asequipmenttobalancecar, and
lighttruck wheels withinthe followingrange:
Maximumwheeldiameter : 44” (1117mm)
Maximumwheelwidth : 20” (508mm)
Maximum wheel weight : 120lbs (54 kg)
This equipment is to be only used in the application for which it is specifically designed.
Any other use shall be considered as improper and abusive.
The manufacturer shall not be considered liable for possible damages caused by improper, wrong, or
abusive use of this equipment.

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ModelEEWB308B OperatorsManual
1.3 EEWB308B SPECIFICATIONS
Computerizeddigitalwheel balancer forcar, light truck
wheels.
WeightImbalanceAccuracy .10 oz / 2 grams
WeightPlacement Resolution ± .7degrees
WeightImbalance Resolution:
RoundoffMode .25 oz / 5 grams
Non-RoundoffMode .05 oz / 1 gram
Max. Shaft Weight Capacity 120 lbs / 54 kg
Max.TireDiameter 44" / 1118 mm
Rim Width Capacity 1"-20" / 25 mm - 508 mm
Rim DiameterCapacity 6"-30" / 152 mm-762 mm
BalancingCycle Time. 15 seconds or less
ShaftSpeed atcalculation 119 RPM
Electrical 115 1ph, 50-60Hz, 2A
RequiredWorkArea 60"w x 48"d 1524 x 1219 mm
ShippingWeight, unit/pallet/carton 230lbs/77kg
ShippingDimensions 48”h40”w 28”d
MachineDimensions 40”h38”w 21”d
Actual Weight with Accessories 174 lbs / 79 kg
OperatingTemperature Range 32-122F/0-50C
1.4 FEATURES
ACCURACY
• Weight placement accuracy is ± .7°
• Weight imbalance accuracy to 2 grams.
• Self test check with every power up cycle.
• Fast operator calibration.
• Pre-programmed Error Codes indicate procedural
errors or safety concerns.
SPEED and DURABILITY
• Automaticdistanceentry.Simply touchtheSAPEarm
tothe wheel, thedistanceparameter is automatically
entered.
• Quick cycle time.
• Automatic recalculation if weight positions are
changed. No need for re-spinning the wheel.
• Weight pocket storage tray.
• Easy-to-Read Data display.
• Easy weight tray access.
SOFTWARE VERSATILITY
• Both dual weight Dynamic and single weight Static
capability.
• Built-inspin counterformonitoring balancer
productivity.
• Service code access to all Balancer electronic func-
tions for fast, easy diagnosis.
• Operator selectable roundoff mode.
• Ounce/ Gram togglefrom frontpanel
• Multiple operator feature allows several operators to
recallwheel parameters.

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1.5 STANDARD ACCESSORIES
EAK0221J13A Adapter Kit - Figure1
Ref Part Number Qty Description
1 1412 1 Spring Conical, MC
2EAK0221J15A 1 Adapter Kit - M/C (see below)
3 3607-01 1 Spring - Conical
4 3609-01 1 Spacer - M/C Shaft
5 7607 1 Spin/Hand Crank Handle
6 EAM0006G16A 1 Bolt - Crank Handle (not
shown)
7 8430-02 1 Caliper Accessory - M/C
8 EAA0255J43A 1 Flange Accessory
9 EAM0005D62A 1 Gauge Extension
EAK0221J15A Adapter Kit - Figure2
10 1387 2 Cone - M/C
11 1388 1 Nut Ring - M/C
12 1389-01 2 Disc - Pressure
13 1389-02 1 Disc - Pressure
14 EAM0003J33A 1 Shaft Accessory - 14mm
15 1401 1 Spring -Adapter M/C
Additional Accessories - Figure3
16 7-14201A 1 AC PowerAdapter
17 EAM0006G01A 4 Pin - Accessory
Figure 3
Figure 1
Figure 2 - 1419 Kit
13
45
7
8
9
10 11
12 13
14 15
17
16
10
EAM0003J35A

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ModelEEWB308B OperatorsManual
PRE-INSTALLATION CONSIDERATIONS
2.0 DIMENSIONS OF THE MACHINE
Figure 4 - Actual Footprint Dimensions.
2.1 REQUIRED INSTALLATION AREA
Makesure thatfromthe operatingposition theusercan
seeall of themachine and thesurrounding area.
Theoperatorshouldpreventnonauthorizedpersonsand/
or objects from entering the area which may create po-
tentialhazards.
The machine should be installed on a stable level floor.
Donot installthe machine ona uneven floor.
If the balancer is to be installed on a raised floor, the
floor must have a capacity of at least 110lbs per sq ft.
(5000 N/m² - 500 kg/m²).
It is not required to secure the machine to the floor.
Installthe machine ina dry, covered area.
Theinstallation of themachinerequires aworkingarea
of at least 60” x 48” (1524 x 1219 mm) (Figure 5).
2.2 INSTALLATION INSTRUCTIONS
CAUTION! CAREFULLY REMOVE THE BALANCER
FROM THE PALLET.
Remove the hardware that secures the machine to
thepallet andslidethebalanceronto thefloor where
it is to be installed.
THE UNIT IS HEAVY AND THE WEIGHT IS NOT
EVENLY DISTRIBUTED.
DO NOT LIFT THE BALANCER BY THE SHAFT.
DROPPING THE UNIT MAY CAUSE PERSONAL IN-
JURYOREQUIPMENT DAMAGE.
A. Remove the hardware that secures the machine to
thepallet andslidethebalanceronto thefloor whereitis
to be installed.
b. Locatehandcrank handleandassociated screw-nut
and mount hand crank to the left side of the mounting
shaft as shown in Figure 6. NOTE: The crank screw
usesa left handthread. Donotover-tighten. Makesure
threads and mating surface is clean prior to assembly.
Referto Figure 6for detail.
Figure 6
Figure 5 - Recommended Work Area

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2.3 FLANGE ADAPTER INSTALLATION
Mountthe flangeadapter plateonto theshaft backplate
using supplied nuts and washers. Do not over tighten.
Referto Figure7.
2.4 ARBOR INSTALLATION
IMPORTANT!
CHECK THAT THE SURFACES ARE PERFECTLY
CLEAN AND NOT DAMAGED. AN INCORRECT
MOUNTING MAY RESULT IN SIGNIFICANT IMBAL-
ANCE.
Mountthe threadedshaftonto thearbor ofthe balancer.
Tighten firmly, butdonotexceed70 inchlbs. SeeFigure
7.
Figure 7
2.5 DISTANCE GAUGE EXTENSION
Mount the Distance gauge extension to the Distance
Gauge arm. See Item 9 on page six for photo of the
gaugearm extension.
2.5 ELECTRIC INSTALLATION
ANY ELECTRICAL WIRING MUST BE PER-
FORMEDBYLICENSEDPERSONNEL.
ALLSERVICEMUSTBEPERFORMED BYANAU-
THORIZEDSERVICETECHNICIAN.
Check on the plate of the machine that the electrical
specifications of the power source are the same as the
machine. The machine uses 115VAC, 50-60Hz, 1Ph,
2.0Ampere. Plug theAC poweradapterinto tehrecep-
tacle on the rear of the machine. See Figure 8
NOTE:
Any electrical outlet installation must be verified by a
licensedelectrician beforeconnectingthe balancer.
Checkthatthe outlet has anautomaticground fault cir-
cuit breaker with a differential circuit set at 30 mA.
NOTE:
This machine performs a self-test routine on start-
up. There will be a delay of several seconds be-
fore the display is activated.
Figure 8
Rear