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Summary of Contents for Nussbaum ATT BM Series
- Page 1 Technical Instructions BM Wheel Balancers – new generation from Oct 2010 Status: 27. August 2013 Page 1 of 54...
- Page 2 Page 2 of 54...
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Page 3: Table Of Contents
Content: Recommended spare parts list ....................4 General information on servicing machines................4 Drive belt ............................5 Main switch ..........................6 Motor ............................8 Piezo sensors ..........................9 Opto encoder-printed circuit board ..................10 Motor control board........................11 Basic board ..........................13 Drive belt pulley ........................ -
Page 4: Recommended Spare Parts List
Recommended spare parts list A suggested list of spare parts is recommended to be kept at the customer’s location in order to rectify problems that might occur more quickly. A list below is also provided on our home page. 1987009WH7A POTENTIOMETER Distance + Diameter with cable 1987009WH9A POTENTIOMETER with cable for outside gauge... -
Page 5: Drive Belt
e) Use only original parts to avoid the problems arising from using parts not having the correct technical specifications or which have no guarantee for this machine. Corresponding spare parts can be found in the spare parts document as well as finding it on our home page. Drive belt a) In order to replace the drive belt, loosen four bolts (1- 4). -
Page 6: Main Switch
Main switch a) The main switch can be found on the left side of all machines. It can also be used as an emergency off switch. Before any repairs are carried out to the machine please do not forget to: DISCONNECT MAINS PLUG! b) In order to remove the main switch, loosen the small screw as seen in the picture and pull on the lever. - Page 7 The next picture shows the inside of the cabinet with the main body and two of the four screws. On the main body are four electrical connections numbered 14 which are the in and out going power lines to the main switch. Contact 1 is the outer conductor and contact 3 is the Neutral wire which is connected to an earth plug.
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Page 8: Motor
Motor a) Disconnect the red and black motor cable at the point (J2-2, J2-3). In addition if the machine is a model (above BM30) also disconnect the two grey brake leads at the point (J4-2, X1-3). b) Loosen the drive belt as described in Para. 5. Loosen the securing screws(1) (4) to remove the motor. -
Page 9: Piezo Sensors
Piezo sensors a) Disconnect the connecting lead J6 from the Basis board. Loosen the pies sensor securing nut (1) and screw out the securing bolt (2) using an Allen key. Please note that on machines built from August 2011 the screw of the sensor is secured inside the thread with Loctite Look out for the four ball bearings (3) at either end of the piezo sensors. -
Page 10: Opto Encoder-Printed Circuit Board
Opto encoder-printed circuit board a) There are three red light diodes on the opto encoder printed circuit board. When these three light diodes are blinking during the operation of the machine, it means the opto encoder is functioning. If the machine is switched on (CAREFUL VOLTAGE) and the main shaft is turned slowly, the blinking of the diodes can be observed. -
Page 11: Motor Control Board
Motor control board a) The motor controller board works in conjunction with the transformers (located on the lower side of the board to make up the power supply for the balance machine. To remove the motor controller board, unplug the connected cables and loosen the securing screws. Replace a new board opposite to the method of removing. - Page 12 Motor control board lower side Transformer AC / DC Bridge Capacitor Page 12 of 54...
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Page 13: Basic Board
Basic board a) The basic board evaluates and saves all the measurement values and software as well as controlling the standard electronics. Light diodes can be found on the underside side of the board, which provides the display for the LED machines. The board is secured to an aluminium plate on one side and a keypad on the other. - Page 14 e) The list below shows a summary of all the connectors on the basis board with their codes which are marked next to each connector on the board. Key pad (only LED-machines) Piezo-sensors unused unused Wheel guard micro switch Opto encoder printed circuit board unused Potentiometer for Distance and Diameter Main power supply coming from Motor controller board.
- Page 15 On the Touch PC machines the basic board (1) is located inside the machine and mounted on a panel together with the power pack (2) for the Touch PC Page 15 of 54...
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Page 16: Drive Belt Pulley
10. Drive belt pulley b) To exchange the belt pulley, take off the drive belt and then the screw (3) to enable the pulley to be taken off the main shaft. When removing the pulley be careful not to lose the small groove spacer. On fitting a pulley this small groove spacer has to fit into the groove in the centre of the pulley. -
Page 17: Wheel Guard Micro Switch
11. Wheel guard micro switch a) The micro switch relays the position of the wheel guard. Because this process is controlled by the software, it can be switched off. In this case, any problems arising should first be checked by noting the functions set by the user with function F8.! b) To remove, first take out the lead from the connector J5 on the basic board. -
Page 18: Potentiometers
12. Potentiometers a) Up to three potentiometers can be fitted, depending upon the type of machine. P1 is the potentiometer at the centre of a chain pulley to measure the distance from the edge of the machine to the first weight position and depending on the type of program selected, the second weight position. - Page 19 d) The potentiometer measuring the diameter gauge is connected from points J85 to J8-8. When exchanging please make sure that the potentiometer is turned anticlockwise before fitting. Important: the end of the gauge should be resting on the top of the main shaft housing during replacement to allow minimum and maximum measurements to take place for all types of wheel The contact no.
- Page 20 e) The potentiometer for the width (outside arm) is connected to J12-1 to J12-4. In order to exchange the potentiometer these wires should be soldered onto the new one. The contact no. 1 on the potentiometer take the white coloured wire and no. 2 the green wire, with no.
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Page 21: Software Update Basic Board
The software as well as the flash tool can be downloaded from the exclusive area (Infocenter) on www.nussbaum-group.de CAUTION: Make sure that the software for the Touch PC is always updated FIRST (see chapter 14) b. - Page 22 d. Screen layout: Program-title bar for instance with the name of the program and version Product selection: Here you select the product on which you want to actualise the software Selection of application: Shows the trails and names of the data that has been selected and transmitted by flashing procedure.
- Page 23 e. Description of the flash function: Preparation basic board: 1. Shut down the machine 2. The jumper on the basic board on which the new software must been installed has to be switched. Picture 1: Picture 2 Jumper open for standard operation Jumper closed for Flash operation Comment: on wheel balancers without monitor, the basic board is below the keyboard.
- Page 24 Flashing of software / delete flash / cancel: Depending on what you intend, one of the following 3 buttons should be pressed: Delete flash (4): If the complete flash memory should be deleted and prepared for the new software, please press the button “delete flash”. This is necessary if the software has to be installed for the first time on the basic board.
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Page 25: Software Update Touch Pc
The software for the Touch PC is available as a zip file that needs to be unzipped to a USB stick. This zip File can be downloaded from the exclusive area (Infocenter) on www.nussbaum-group.de − Switch the machine off, connect the USB stick to one of the USB ports on the lower side of the Touch PC −... -
Page 26: Service Functions
15. Service Functions The information on the service functions can also be found in the instruction manual DIGITAL WHEEL BALANCERS Via the function key you get into the menu for service functions to select the basic settings or change them according to the user’s requirements. The various menu functions from F1 to F14 can be selected by pressing the +- keys When you are in the function menu, an „Fn“... - Page 27 Calibration The calibration weight supplied with the machine must be used together with the clamping adapter. Make sure that the threaded hole on the adapter is in line with the red indicator marking on the main shaft. For calibration the calibration weight (1987009WG3) is required MACHINES with manual clamping of the wheel Remove cone and clamp from the main shaft.
- Page 28 3. Measuring run Run with calibration weight on the right side of the mid centering device Machines with manual QuickSpan clamping of the wheel Autorun If Autorun is active (ON) the balancing run is started when the wheel guard is closed. If Autorun is not active (OFF) the balancing run needs to be started by pushing the START button when the wheel guard is closed.
- Page 29 Test function With function F9 several ACTUAL values can be checked. This is helpful when a failure of the machine has to be analyzed. Routine: Press function key to select the function menu. Use +/- keys to select the Function 9. Press function key again to activate the function.
- Page 30 F 10 Calibration of the gauges ! It is important that the gauges are always placed in the home position after measurements as this can result in inaccurate results. ! The brake should be released on all machines that have this function. For the calibration of the gauges the calibration weight is required.
- Page 31 Step 3 – POS 3 – Width (only when an outside gauge arm is present) Bring the tip of outside gauge to the tip of the “long” end of the calibration weight and hold it in this position until an audible signal is heard, which means the measurement has been accepted. Return the outside gauge into the home position and an audible signal is heard and the program returns to normal mode F 11...
- Page 32 TOUCH PC BALANCERS When the area with the software version is touched twice coming from the fist screen a service screen will be displayed. In this screen there is an overview over all the functions Actual distance of inner gauge arm The reference is the edge of the cabinet and when the gauge arm is in home position it should be 50 mm +- 10 Actual diameter of inner gauge arm...
- Page 33 Actual position of the hood The display will show the actual status of the wheel guard switch (OPEN or CLOSE) Indication if gauge arms are in the home position GREEN = Gauge arm is located in home position RED = Gauge arm is not in home position (also if gauge arm is not present or set out of operation Status of the brake The display will show the actual status of the brake (OPEN or CLOSE)
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Page 34: Mid Centring Device (Not Quickspan)
16. Mid centring device (NOT QuickSpan) a) In order to change the clamping means, switch off the machine. At the centre and inside of the threaded shaft there is a large securing bolt, which requires an Allen key, which comes with the standard scope of delivery (photo below) to loosen. -
Page 35: Quickspan
17. QuickSpan Principle With the QuickSpan the wheel is clamped pneumatically upon foot pedal operation. The shaft diameter is 40 mm and all clamping accessories that can be used with the wheel balancers with manual clamping can also be used with the QuickSpan IMPORTANT: For calibration of the QuickSpan machines as well as the zero run the clamping sleeve and the clamping hood for steel rims as shown in the pictures below. -
Page 36: Foot Pedal (Quickspan)
18. Foot pedal (QuickSpan) a) The foot pedal is used to clamp the wheel to the main shaft and is NOT designed to be used as a brake to hold the main shaft. b) The pedal is part of a metal plate, which is constructed with a small bolt attached to relieve the pressure of someone applying full force to the pedal and damaging it after a while. -
Page 37: Maintenance Unit (Quickspan)
19. Maintenance unit (QuickSpan) The photo below shows the air pressure control unit for the quick span machines. Screw to operate the QuickSpan valve manually for testing purposes The maintenance unit is equipped with a water separator, an oiler and a pressure gauge. The pressure is reduced to 6 bar and must not be adjusted to a higher value. -
Page 38: Repair Instructions For Clamping Fingers (Quickspan)
20. Repair Instructions for clamping fingers (QuickSpan) REQUIRED PARTS Repair kit 1987009W8LA Splint 2 x Clamping fingers Spring Position the pull shaft in the 40 mm shaft so that the clamping fingers and the spring can be mounted Page 38 of 54... - Page 39 Assemble and grease well the two clamping finger and the spring Insert the he clamping fingers and the spring into the pull shaft Position the clamping fingers and the spring such that the splint can be fitted Page 39 of 54...
- Page 40 Mount the splint While the pin is mounted with a hammer, always make sure that the two fingers do move well Once the pin has been installed check that the pull shaft can be easily moved back and forth inside the 40 mm shaft !!!! Perform a calibration and a zero run !!!!
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Page 41: Using Uni-Lug And Motorcycle Adaptor On Quickspan
21. Using UNI-LUG and Motorcycle adaptor on QuickSpan 1987009W8JA Adapter kit to mount motorcycle adaptor and Universal flange to QuickSpan wheel balancers 1 adaptor 4 tapered screws M 6 x 25 to pre centre the cone adaptor and the flange MOUNTING INSTRUCTIONS Remove the 4 screws holding the flange When all screws have been removed open the... - Page 42 Move the flange away from the cabinet until the pull rod is seen Unscrew the flange using the 13mm wrench and a screwdriver as shown Move the pull rod via the foot pedal to the back (clamp QuickSpan) Page 42 of 54...
- Page 43 DISCONNECT THE AIR SUPPLY TO PREVENT THE QUICKSPAN TO UNCLAMP UNEXPECTLY Which may result in an internal damage Attach the adapter to the balancing unit Pre centre the adapter using the delivered tapered screws Replace the tapered screws with the „original“ helical screws and tighten them crosswise After having tightened all 4 „original“...
- Page 44 Retrofit mid centring device Remove the 4 screws and demount the adaptor from the balancing unit Connect the machine to the air supply and move the pull rod out by using the foot pedal Place the flange on the pull rod and tighten it using a 13 mm wrench and a screwdriver Page 44 of 54...
- Page 45 Push the flange back so that the pull shaft is located in the middle position (see picture below) Position the flange on the balancing unit in a way that the point on the balancing and the calibration thread on the flange are in line Page 45 of 54...
- Page 46 Pre centre the flange on the balancing unit using the 4 tapered screws Replace the tapered screws with the „original“ helical screws and tighten them crosswise Perform a zero run (refer to instruction manual for more information) Page 46 of 54...
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Page 47: Trouble Shooting And Problem Solving
Service/ frequently asked questions. Go through the remedies one by one until the problem is solved. If the problem cannot be solved after trying all these possibilities, please report to a Nussbaum technician. "E7 Ind", index error Problem in recognizing the optical encoder board... - Page 48 Problem Fluctuating results after repetitive balance runs Remedy Make sure that the correct cone has been used for the wheel and that the clamp is secure and tight on the clamping means. − Check that the machine is on level hard ground. If necessary bolt machine to the ground. Never use machine when it is bolted on a wooden pallet.
- Page 49 Problem 0 – 0 Cannot be achieved after correcting unbalance with weights Remedy − The wrong program might have been chosen- the program is not suitable for the required weight position − Wheel data not correct – Check that the inputted wheel data corresponds exactly to that of the wheel and the program.
- Page 50 Problem Inside arm gives incorrect readings for the distance and diameter of the wheel Remedy − The chain for distance gauge is not fitted correctly to the chain pulley. Loosen the pulley mechanism and replace according to the service instructions −...
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Page 51: Electrical Schematic Layout
23. Electrical schematic layout Basic Board Page 51 of 54... - Page 52 Motor control board Page 52 of 54...
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Page 53: Dimensions
24. Dimensions Page 53 of 54... -
Page 54: Technical Data
25. Technical data Page 54 of 54...
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