background image

EEWB304B

COMPUTER WHEEL BALANCER

FOR:

PASSENGER CAR & LIGHT TRUCK WHEELS

OPERATION INSTRUCTIONS

Form ZEEWB304B

®

®

®

®

®

Summary of Contents for EEWB304B

Page 1: ...EEWB304B COMPUTER WHEEL BALANCER FOR PASSENGER CAR LIGHT TRUCK WHEELS OPERATION INSTRUCTIONS Form ZEEWB304B ...

Page 2: ......

Page 3: ...o 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 the Model EEWB304B Wheel Balancer the operator has a thorough understanding of the wheels and tires being serviced In addition it is assumed he has a thorough knowledge of the opera...

Page 4: ... loose fitting clothing fingers and all parts of the body away from moving parts 6 Adequate ventilation should be provided when working on operating internal combustion engines 7 To reduce the risk of electric shock do not use on wet surfaces or expose to rain 8 Do not hammer on or hit any part of the control panel with weight pliers 9 Do not allow unauthorized personnel to operate the equipment 1...

Page 5: ...of Standard Wheels Page 10 4 2 2 Mounting of Light Truck Wheels Page 11 4 3 Mode Selection Page 11 4 3 1 Weight Placement Modes Page 11 4 4 Selecting Operator Preferences Page 12 4 4 1 Fine Balance Mode Page 12 4 4 2 Ounce Grams Conversion Page 12 4 4 3 Inch Millimeter Conversion Page 12 4 4 4 Operator A B Selection Page 12 4 5 Entering Rim Parameters Page 13 4 5 1 Distance and Diameter Entry Page...

Page 6: ...his 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 EEWB304B is intended to be used as a device to balance car and light truck wheels within the following range Maximum wheel diameter 44 1117mm Maximum wheel width ...

Page 7: ...to as low as 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 Automatic distance diameter entry Simply touch the distance arm to the wheel the distance and diameter parameters are automatically entered Quick clamp speed nut reduces wheel mounting t...

Page 8: ...uick Nut 7A EAC0058D08A Disk Small Pressure 8 EAM0005D40A Weight Calibration 9 EAM0021D90A 40 mm Stub Shaft 10 EAA0247G21A Caliper Rim Width 11 EAC0060G02A Flange Cover Hook 12 EAM0006G01A Pin Accessory EAM0005D34A Fastening Rod for shaft not shown Figure 1 Figure 2 1 6 OPTIONAL ACCESSORIES Weight Pliers P N WWPR13A Figure3 Versatile weight hammer plier In addition to ham mering on weight and used...

Page 9: ... 500 kg m It is not required to secure the machine to the floor Install the machine in a dry covered area The installation of the machine requires a working area of at least 62 x 64 5 1575 x 1638 mm Figure5 Figure 5 Recommended work area 1 9 INSTALLATION INSTRUCTIONS CAUTION CAREFULLY REMOVE THE BALANCER FROM THE PALLET THE UNIT IS HEAVY AND THE WEIGHT IS NOT EVENLY DISTRIBUTED DO NOT LIFT THE BAL...

Page 10: ...haft protruding from the right side of the balancer cabi net Line up the mounting holes in both the pivot shaft and the guard support tube Secure the guard with 3 8 hard ware Figure 8 2 3 ELECTRIC INSTALLATION ANY ELECTRICAL WIRING MUST BE PER FORMED BY LICENSED PERSONNEL ALL SERVICE MUST BE PERFORMED BY AN AUTHORIZED SERVICE TECHNICIAN Check on the plate of the machine that the electrical specifi...

Page 11: ...on Indicator 5 Outer Plane Imbalance Value Display 6 Display All Parameters Button 7 Normal Fine Mode Button 8 Multiple Operator Select Button 9 P Codes Button 10 Mode Select Button 11 Balance Mode Indicator 12 Rim Width Offset Function Knob 13 Cancel Stop Button 14 Manual Diameter Button 15 Rim Offset Button 16 Alu S Spoke Mode Button 17 Enter Button Cabinet Features 18 Wheel Guard 19 Wheel Weigh...

Page 12: ...oy wheels have accurately machined center holes and they should be mounted with center cones Accurate balancing de pends on accurate mounting of the wheel and correct seatingoftheconeinthepilothole Insurethatthewheel is centered on the shaft exactly as it will be mounted to the vehicle Before starting any balancing procedure it is very impor tant that the wheel is mounted on the machine with the p...

Page 13: ...in the default 2 plane dynamic mode which is displayed as 2 PL location 1 see figure 14 Hammer on clip weights will be placed on both inside and outside of the rim edge If required select an optional weight placement mode by pressing the Mode button until the appropriate place ment mode is displayed 4 3 1 WEIGHT PLACEMENT MODES Before spinning the wheel although it may be done af terwards choose t...

Page 14: ...e display resolution between 5g 0 25 oz and 1g 0 05 oz 4 4 2 OUNCE GRAMS CONVERSION When the machine is first turned on it is preset to dis play the imbalance in ounces If the display in grams is desired press and hold the P button while rotating the Function knob until P 3 is displayed Repeat the procedure for converting back to ounces 4 4 3 RIM DIAMETER IN MILLIMETERS The rim diameter is normall...

Page 15: ... clip on weight would be applied Figure 23 Enter the measured width by rotating the width offset knob until the desired value appears in the center dis play 4 5 3 Manual Parameter Entry In the event of automatic gauge failure the dis tance and diameter values can be input manually 4 5 3 1 Manual Distance Entry Move the dis tance gauge arm to touch the inner edge of the wheel where weights are to b...

Page 16: ...rect correct as needed Imbalance values will be re computed after re spinning wheel B Check if the balancing mode selected is the most appropriate If not choose the right mode and respin C The wheel weight could have been placed at a wrong position To check this position the wheel at the cor rection position for the outer plane If the wheel weight previously attached is in sector L or R Figure25 m...

Page 17: ...e inflation valve is at 12 o clock See Figure 26 Press P to store the valve position the display will then read SPN 1 NOTE The P button can be pressed more than once every time the P button is pressed the valve position is remembered by machine as a reference point 2 Lower the wheel guard to spin the wheel when the shaft reaches the balancing speed the display reads ACH 1 accompanied with a short ...

Page 18: ... amount of remaining imbalance the op erator can continue match mount Machine displays CrS r and tur tir alternatively This instructs the operator to turn the wheel and make a double cross mark XX on the right side of the tire at 12 o clock posi tion when the right center position LED turns to green See Figure 29 NOTE If you do not intend to continue minimization you can press the Cancel Stop butt...

Page 19: ...timization is to be continued with flipping tire pro ceed as described below 3 Deflate the tire then flip turning the valve to point the XX mark on the tire as in procedure 2 4 Inflate the tire and mount it to shaft again Press the P button 5 The machine displays VAL tOP Turn the wheel to make valve at top position 12 o clock and then press P button The machine will store the valve position 6 The ...

Page 20: ...chine displays both the left and right plane imbalance weight and position with its color LEDs Rotate the wheel until the left Green LED indicates cor rect position for the left correction weight 6 Extend the gauge arm The left display shows the weight to be applied the right display shows the dis tance the gauge arm has to travel to get to the correc tion plane A high beep will sound when the cor...

Page 21: ... directed by the SAPE 5 Rotate the wheel to the outside plane top dead center position indicated by the center green LED press the P button to indicate top dead center NOTE Mark the tire to assist in referencing the corrective weight top dead center 6 The display will read GET SPO I Locate the first spoke nearest to top dead center and rotate the wheel so that spoke is at top dead center See Figur...

Page 22: ...L R meaning which plane should be split 3 Press the STOP button alternately to toggle be tween the left and right plane 4 Once the desired plane is chosen press the P button The machine splits the weight into two parts The split weight is 60 of the original weight The position is 33 6 from each side the original posi tion 5 If the displayed weight is less than 2 oz 56 7 grams the machine will disp...

Page 23: ...1 Fig 38 while turning the Diameter Function Knob 2 Fig 38 until the dis play reads P 14 Once P14 activates the display will read CAL GAN for one second The display will then read SPN 1 2 Spin bare shaft Lower the wheel guard or press enter to spin the shaft See Figure 39 Displays CAL 1 as the machine is collecting data and performing calculations After taking data the shaft is automatically brake...

Page 24: ... the home position Display changes to dIA 18 6 Gently pull the SAPE out and rest the arm of the SAPE gauge on the inner part of the bell housing as shown in Figure 43 A tone will sound and the display will change to BAC H POS 7 Return the arm to the home position The display will change to dIA 42 1 POS 8 Locate the Calibration Weight Place the calibration weight with the large end oriented on the ...

Page 25: ...E ELECTRIC SUPPLY This balancer does not require any special maintenance but the following precautions are required A Periodically wash all plastic parts with a glass cleaner Wipe with a dry cloth B Clean all adapters regularly with a nonflammable liq uid detergent all adaptors Lubricate with a thin layer of oil C Periodically perform a routine calibration as outlined on page 21 of this manual 14 ...

Page 26: ...NOTES ...

Page 27: ...Blank ...

Page 28: ...gs performance or use of this material This document contains proprietary information which is protected by copyright and patents All rights are reserved No part of this document may be photocopied reproduced or translated without prior written consent of Equipment Services is a registered trademark of Snap on Inc ZEEWB304B 03 05 07 wdc copyright Equipment Services 2007 All rights reserved Snap on...

Reviews: