Braun K 750 CombiMax Food Processor - D:\ELECTRONICA\braun\_food_processor_®_
Contents
1. BRAUN BINC Rev 4 97 Service Documentation Exploded Drawing BAG Rev 11 96 3205 3205 6 BINC Rev 4 97 Service Documentation Spare Parts List BAG Rev 11 96 3202 Pos No Part Description Part Number 60 Pusher 3200032 61 Lid 3200640 62 Blade 3200636 64 Kneading hook 3200635 66 Safety cover 4293067 67 Whipping attachment 3200645 68 Bowl 3200630 70 Grating insert 3200151 71 Coarse slicing insert 3200153 72 Fine slicing insert 3200152 73 Coarse shredding insert 3200155 74 Fine shredding insert 3200154 75 Julienne insert 3200158 76 Insert carrier 3200633 77 French fries system 3200634 3205 7 BINC Rev 4 97 BAG Rev 2 97 Technical Data Nominal voltage frequency Driving motor Nominal power No load power No load speed position 2 No load speed position 14 Overload protection Mixing arm rotation Length of mains lead Note about the screws Note about the PCB Note about the wiring Note about the speed Service Documentation Service Information 3205 120V 60 Hz DC motor B2 DC approx 600 W load dependent approx 100 140 Watts approx 240 300 r p m at the bowl coupling approx 1850 2200 r p m at the bowl coupling electronic controls see use instructions approx 14 130 r p m mixing arm into the bowl approx 144 1320 r p m whisk into the mixing arm approx 1 30 m The special screws 25 35 can only be removed with a screw driver furnished with a spe2. Service Documentation Market Release 4 97 Braun CombiMax K 650 3205 3205 BINC Rev 4 97 Service Documentation Exploded Drawing BAG Rev 11 96 3205 3205 2 BINC Rev 4 97 Service Documentation Spare Parts List BAG Rev 1 97 3205 Pos No Part Description Part Number 1 3205627 2 Return spring 3205029 3 Leg spring 3202014 4 Lever 3205017 5 Switching PCB 3205641 7 Coupling 3205053 9 Housing K 650 3205636 10 Setting knob 3205629 11 Switch knob 3202628 12 Button 3202012 13 Pressure spring 3210004 14 Spring 3205016 15 O ring 3205055 3205 3 Braun B 1 U Service BRAUN BINC Rev 4 97 Service Documentation Exploded Drawing BAG Rev 11 96 3205 3205 4 BINC Rev 4 97 Service Documentation Spare Parts List BAG Rev 1 97 3205 Pos No Part Description Part Number 16 Spring 4227016 17 Carbon brush 4227034 18 Motor cpl 3205634 19 Ferrite tube 3205155 20 Wiring black 3205935 20 Wiring brown 3205936 20 Wiring orange 3205937 20 Wiring red 3205938 20 Wiring blue 3205939 21 Cable support 3205002 22 Washer 0111410 23 Damper 3205038 24 Supporting frame 3205625 25 Screw 0033423 28 Gear wheel with shaft 3202626 29 Toothed belt 3205030 30 Screw 0028012 31 Cable clamp 4206149 32 Mains lead 3205879 33 Base 3205621 34 Rubber foot 3205025 35 Screw 0033419 36 Switch PCB 3205642 37 Switch cam 3205078 38 Insulating tube 0818182 3205 5 Braun B R 1 U Service
3. cial blade insert These special blade inserts for the screwdriver can be ordered from the parts department Because of approval board requirements and reasons of safety only the special screws 35 into the base plate must be used to avoid tampering by un authorized persons Attention charging capacitor on the PCB 36 is charged use a resistor of 10 50 Ohms to discharge All connecting cables are provided with self securing plugs In order be bent down slightly These pins must not be deformed or broken off In case that the plug does not snap in correctly to the connecting contact a completely new cable must be used It is not possible to adjust the speed In case that the number of revolutions does not correspond to the technical data the device is defective 3205 8 BINC Rev 4 97 BAG Rev 11 96 Dismantling Reassembly Service Documentation Service Information 3205 Remove all supplementary parts from the device and turn the switch to the 0 position Exchangeable parts assembled in the housing upper part Remove the cover 1 by means of a dismantling fork already existing for K 1000 see sketch 1 Now the leg spring 3 the lever 4 and the switching PCB 5 can be reached Exchangeable Parts assembled in the housing lower part For the sake of a better dismantling the parts in the housing upper part must be dismantled Take off the setting knob 10 and the switch knob 11 to the
4. ecuring screws 25 will be tied Please refer to sketch 4 for the tension value of the toothed belt The both washers 22 must be attached to the shafts The O rings 15 must be inserted into the housing Attach all dampers 23 for the carrier Insert the completely reassembled carrier into the housing 9 Connect the leads to the switch PCB 36 see sketch 3 Insert the switch PCB into the guides of the base plate and the switch cams 37 see sketch 6 Attach the base 33 and the rubber feet 34 Place the supporting plate underneath the corresponding coupling shaft Then press the coupling onto the shaft by slightly tapping against the embossing spike The axial free space of the coupling shafts must be 0 4 mm 0 6 mm see sketch 5 symbolic illustration A smaller or larger axial free space may cause a defect of the appliance Insert the setting knob 10 and make sure that the potentiometer for the setting knob axis is placed in the correct position Insert the spring 14 into the housing front Assemble the pressure spring 13 the button 12 and the switch knob 11 see sketch 6 Connect the leads to the switching PCB 5 and insert the switching PCB into the housing upper part Insert the lever 4 and the leg spring 3 see sketch 7 symbolic illustration Attach the cover 1 to the housing upper part until it snaps in 3205 10 BINC Rev 4 97 BAG Rev 2 97 Measuring points PCB Functi
5. front Remove the button 12 and the pressure spring 13 to the front Place the supporting plate underneath the corresponding coupling shaft by inserting the supporting bolt from the lower side into the small long hole 8 x 3 mm in the base plate see sketch 2 Now cleave the coupling 7 with an appropriate tool e g screwdriver size 4 5 5 mm in the center of the top and remove it from the shaft Unscrew the screws 35 in the base 33 and remove the base The completely assembled carrier with motor can be removed from the housing remaining parts which are as well shown in the exploded drawing can be disman tled and exchanged Before dismantling the gear wheel 28 the tension roller 27 and the motor 18 the toothed belt 29 must be removed The safety lock 8 is inserted in the housing by means of two snap in pins To be performed in reversed order However attention must be paid to the following points After reassembling the gear wheel 28 and the motor 18 the toothed belt must be orderly positioned and the tension must be reapplied 3205 9 BINC Rev 4 97 Service Documentation Service Information BAG Rev 11 96 3205 Attention must be paid to the reassembling position of the motor and to the cable connection see sketch 3 Tension of the toothed belt Slightly loosen the motor securing screws and displace the motor 18 on the carrier If the toothed belt is correctly tensioned the motor s
6. on Check Service Documentation Service Information 3205 In case the switching contacts on the PCBs 5 and 36 are closed and a connecting wire at the motor for example is taken off for the measuring process N L Mains voltage 165 170 Volts DC voltage intermittent 6 10 kHz M 165 170 Volts DC voltage constant N Mains voltage Check the appliance in all switching positions and if necessary attach the available supplementary parts Check the security locks with and without the complete bowl 3205 11 BINC Rev 4 97 BAG Rev 11 96 Sketch 1 Sketch 2 Braun Service BRAUN Service Documentation Reference Drawing 3205 3205 12 Braun B U Service BRAUN BINC Rev 4 97 Service Documentation Reference Drawing BAG Rev 11 96 3205 Sketch 3 Sketch 4 3205 13 BINC Rev 4 97 Service Documentation Service Information BAG Rev 11 96 3205 Sketch 5 Sketch 6 3205 14 BINC Rev 4 97 Service Documentation Reference Drawing BAG Rev 11 96 3205 Sketch 7 3205 15
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