Operation Manual Mixer B�400 096541 en
Contents BUCHI Mixer B-400 Contents Contents 1 1 Scope of delivery 2 2 Saftety 3 3 Function 6 4 Putting into operation 8 5 Operation 9 6 Maintenance 10 7 Taking out of operation 14 8 Replacement parts 15 9 Appendix 17 Read these instructions carefully before you use the BUCHI Mixer B-400. Keep the instructions in a safe place close to the Mixer for quick reference whenever required. Chapter 2 contains important notes concerning safety. Read these notes to operate the Mixer safely.
BUCHI Mixer B-400 1 Scope of delivery 1 Scope of delivery Designation Order No.
BUCHI Mixer B-400 2 Saftety 2 Saftety The Mixer complies with the state of engineering and the recognized rules of safety. Please note: • it should be used by persons with sufficient training • it should be used for purposes for which it is intended. Symbols Stop Information about hazards which can lead to serious material damage and cause serious fatal injury. Warning Information about hazards which can lead to material damage and be harmful to your health.
BUCHI Mixer B-400 2 Safety Improper use The customer is responsible for any damage due to any use other than those already listed or any application that does not conform with the technical data. The following applications are prohibited: • Use of organic solvents. • Samples of hard and brittle materials (e.g. soil samples, hard grains, sandy samples...) that can wear down the cutter too quickly, break the beaker or damage the diaphragm seal. • Hard, deep-frozen samples.
BUCHI Mixer B-400 2 Safety Safety measures The guard door must always be closed to operate the Mixer. After the door latches into position, turn the safety catch fully clockwise until it stops. There is a risk of injury when replacing and handling the sharp cutter. To reduce the risk, you should wear suitable gloves and use the special tool. Depending on the sample material in question it may be necessary to wear additional personal safety items such as goggles or a laboratory coat.
BUCHI Mixer B-400 3 Function 3 Function The process is based on the simultaneous disintegration and mixing of sample materials with volumetric reduction, using two high-speed blades in a beaker. The materials used are also suitable for the purposes of trace element analysis. In this case you should consult the matrix of materials in Section 9, Appendix. Starting point: Sample material in the beaker, the beaker in position, the safety door closed. • Beaker plus contents move up to the cutter.
BUCHI Mixer B-400 3 Function Function of the controls and indicators Power switch a Switching the Mixer on and off. A bimetal switch cuts the circuit if the line is overloaded in excess of 12A. In this case the power switch is moved automatically into zero position. Switch on the Mixer and it will be ready for operation again. Rocker button b If you press the rocker button to the right (IN) and keep it pressed, the beaker will move up to the cutter.
BUCHI Mixer B-400 4 Putting into operation 4 Putting into operation Unpacking The Mixer has adhesive rubber feet, so it is best to place it on a firm, clean and level surface. Keep the original packaging in a safe place in case you ever want to move the Mixer. Power connections Always connect the Mixer up to a grounded or earthed socket and outlet. External couplings and extension cables must incorporate a protective conductor (3-pole couplings, cables and plug-and-socket devices).
BUCHI Mixer B-400 5 Operation 5 Operation Adjustments Switch off the Mixer at the power switch if it makes any unusual noises or shows signs of instability. Check whether all the parts and particularly the two blades are in position and have been correctly installed (see Section 6, Maintenance). · Procedure The recommended sample weight (see the list of application in Chapter 9, Appendix) must be observed when you fill sample material in the beaker.
BUCHI Mixer B-400 6 Maintenance 6 Maintenance Wear gloves and use the supplied tool when changing the cutter! The blades are very sharp and dangerous! Cleaning After use, fill the beaker with water up to the bottom mark a (see Chapter 5, Operation) and insert in the Mixer. Start the mixing process. If necessary, repeat with clean water. To clean the Mixer thoroughly you must first switch it off and disconnect from the power supply.
BUCHI Mixer B-400 6 Maintenance Fitting and dismantling the diaphragm seal a The diaphragm seal is fitted by pushing and removed by pulling. No tools are required but the cutter must be dismantled first. Take care not to deform or damage the sealing lips and make sure that the positioning lug a does not get caught under the holding clip. Figure 9: A leaking diaphragm seal Figure10:Flattening the diaphragm seal Leaking diaphragm seal The diaphragm seal is not absolutely leak-proof.
BUCHI Mixer B-400 6 Maintenance Fitting and dismantling the beaker holder Pull out button a, press the beaker holder up and pull it out. To fit the beaker holder, slide it into the rail and press down until button a clicks into place. ➪ a Compulsory inspection and maintenance All regulations aimed at keeping the Mixer in good working order must be observed. They include cleaning the Mixer at regular intervals and examining it for any signs of damage.
BUCHI Mixer B-400 6 Maintenance Technical customer service Request for repair assistance Only factory authorized service technicians are allowed to completely disassemble the Mixer. The addresses of BUCHI customer service centers are listed on the back cover of these instructions. Please contact these centers if you have any technical questions, problems with an application or trouble with your Mixer. Service manuals are available from the BUCHI customer service centers.
BUCHI Mixer B-400 6 Maintenance 7 Taking out of operation The Mixer must be emptied of any harmful substances and cleaned thoroughly (Chapter 6, Maintenance). This will eliminate the possibility of persons suffering injury from harmful materials. Storage/Transportation The Mixer should be stored and transported in its original packaging. With its adhesive rubber feet the Mixer displays a very strong grip. It is therefore advisable to tip the Mixer slightly to the side before attempting to lift it.
BUCHI Mixer B-400 8 Replacement parts 8 Replacement parts The following replacement parts may only be used in conjunction with Chapter 6 of these instructions for fitting and dismantling purposes. The Mixer’s operational safety and serviceability are only guaranteed by original BUCHI accessories. The use of other makes of replacement parts and accessories is only permitted after consulting with and receiving written approval from BÜCHI Labortechnik AG or from a BUCHI factory authorized service center.
BUCHI Mixer B-400 8 Replacement parts Order No. Item 34376 Cutter screw, titanium 26909 Spacer, PEEK 26471 Displacement disk, titanium 26900 Diaphragm seal 26436 Diaphragm seal holder 26447 Spring, D=65/3.2, L=97 26441 Sample beaker 34381 Beaker holder, complete 26465 Beaker clip 26464 Beaker holder bottom 27872 Rubber feet 26954 Knob for latch 34374 Guard door, complete 34225 Tool for cutter 26440 Cover 16525 Fuse 250mA, slow (10 pcs) 22560 Fuse 2.
BUCHI Mixer B-400 9 AppendixMixer B-400 9 Appendix Technical data · Mixer dimensions (width x height x depth) Package dimensions (width x height x depth) 300 x 510 x 530 mm 400 x 640 x 580 mm Weight (net) 26 kg Weight (gross) 32 kg Mains connection 3 wire power cable Voltage 200 – 240 V Frequencies (2 variants) 50 Hz 60 Hz Power consumption max. 2100 W Current consumption approx.
BUCHI Mixer B-400 9 Appendix Materials used in the most important parts Part Material Materialcode Cutter screw Titanium Ti Displacement disk Titanium Ti Shaft bearing unit Titanium Ti Inscription foil Polyethyleneterephthalate PET Cover Polyoxymethylene POM Knob for latch Polyoxymethylene POM Knob for guard door Polyoxymethylene POM Diaphragm seal Polypropylene PP Diaphragm seal holder Polypropylene PP Beaker holder (not complete) Polypropylene PP Beaker clip Polyoxymet
BUCHI Mixer B-400 9 Appendix List of application Fruit and Vegetables: Apple slices, dried approx.
BUCHI Mixer B-400 9 Appendix Miscellaneous: approx. Duration Emmentaler (hard cheese) 80 g 12 s Peanuts, salted 80 g 3x3s Peanuts with shells 80 g 3x3s Flakes, granules 80 – 100 g 8 s Gnocchi (cooled) 100 g 2x3s 60 g 3x3s Cheesecake (cooled) 120 g 5–7s Croquettes (thawed) 80 g 3x3s Pizza 80 g 8 – 10 s Waffles 80 g 4–5s Waffles with cream filling 80 g 4s Soft cheese 80 g 4–5s Hazelnuts Fodder: approx.
BUCHI Mixer B-400 9 Appendix FCC requirements (for USA and Canada) English: This equipment has been tested and found to comply with the limits for a Class A digital device, pusuant to both Part 15 of the FCC Rules and the radio interference regulations of the Canadian Department of Communications. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
BUCHI Mixer B-400 9 Appendix 23
