Used Heraeus Ha 2472 Bs for sale (14,876)

Condition: excellent (used), Heraeus Type: HA 2472 BS Cleanroom workbench for installation and operation in laboratories Internal dimensions: 1,800 mm x 580 mm x 830 mm (length x depth x height) Rcsdjzh D Rgspfx Alasf Lighting, gas connection Condition: used Scope of delivery: (See images) (Changes and errors in the technical data are subject to change!) We would be happy to answer any further questions you may have over the phone.

Condition: excellent (used), Year of construction: 2016, Cutting Capacity 0° round (tube): 300 mm Cutting Capacity 0° round (solid material): 180 mm Cutting Capacity 0° rectangular horizontal (hollow section): 320 x 290 mm Cutting Capacity 0° bundle (tube): 320 x 160 mm Cutting Capacity -45° round (tube): 300 mm Cutting Capacity -45° round (solid material): 110 mm Cutting Capacity -45° rectangular horizontal (hollow section): 300 x 280 mm Cutting Capacity -60° round (tube): 200 mm Cutting Capacity -60° round (solid material): 80 mm Cutting Capacity -60° rectangular horizontal (hollow section): 190 x 200 mm Cutting Capacity +45° round (tube): 270 mm Cutting Capacity +45° round (solid material): 110 mm Cutting Capacity +45° rectangular horizontal (hollow section): 270 x 200 mm Table height, material feed: 800 mm Main motor: 2.6 kW Cutting speed, stepless: 20 - 100 m/min Saw blade size: 3660 x 27 x 0.9 mm Machine dimensions (L x W x H): approx. 1800 x 950 x 1400 mm Net weight: 585 kg Accessories / Special features: • Semi-automatic swing-frame metal band saw • After the cutting cycle is started, the vice clamps automatically – after completion, it returns to its starting position • For mitre cuts from +60° to -45° with frequency inverter • Suitable for cutting stainless steel, tool steel, hollow profiles, and solid materials • Fully hydraulically controlled sawing functions • Saw drive with low-maintenance, oil-lubricated worm gear • Robust three-phase motor • Motor equipped with overload protection • Ball-bearing turntable • Saw arm inclined at 25°, resulting in longer saw blade service life • Saw arm swivels from +60° to -45° • Chip removal brush for optimal saw blade cleaning and maintenance • Frequency inverter: allows stepless adjustment of saw blade speed from 20 - 100 m/min • BRP – Saw band monitoring • Hydraulic vice with manual quick-release for lateral adjustment • Limit switches control upper and lower saw arm positions • No need to set the upper end point • Length stop with scale, left-side removal 3 m • Cut detector • Swivelling control panel Rjdpfx Aljxz Dqmjaecf • Micro-spray device • 2 x roller conveyors: 3 m discharge left, 6 m feed right • CE compliant Siegfried Volz Werkzeugmaschinen Rüschebrinkstr. 151-153 DE - 44143 Dortmund - Wambel

Condition: used, Year of construction: 2020, Technical details: cutting diameter: 27 mm saw band length: 2910 mm saw band width: 0,9 mm span width: 320 mm Rsdpfx Aljy E Hynjajcf dimensions of saw-band: 2910 x 27 x 0,9 mm band speed: 20 - 120 m/min electrical connection: 400/50/60 V / Hz. total power requirement: 1,5 kW machine weight approx.: 390 kg dimension machine approx.LxWxH: 1480 x 1700 x 2000 m Fully hydraulic lowering and lifting function of the saw frame Hydraulic opening and closing of the vise Automatic shut-off after completion of cut, return of the saw arm to starting position Torsion-resistant saw frame made of cast steel (multiple ribbed) Hydraulic short-stroke cylinder for vise Precisely ground carbide saw blade guides, adjustable Electric coolant pump Manual band tension with display, including electrical monitoring of saw band and cutting pressure Hydraulic vise (opening and closing) Chip removal brush, running synchronously Large, solid round support table, rotates during miter cuts with predefined cutting channel; miter adjustment manual, readable via scale Material stop 500 mm with scale Incl. saw blade with combi toothing 4/6 Roller conveyor sections: 2 pieces of 3 m and 1 piece of 2.55 m. *

Condition: ready for operation (used), Brand: HERAEUS Maximum temperature: 1200 °C Rjdpoy Nlfdefx Alajcf Internal furnace dimensions: 390 x 200 mm, depth: 650 mm

Condition: used, This listing is for a Heraeus Biofuge Primo R Refrigerated Centrifuge. The unit is in full working condition and is ready for immediate release. The Heraeus Biofuge Primo R Refrigerated Centrifuge is an outstanding choice for small medical labs and research facilities looking for reliable and efficient sample processing. Its compact design pairs well with high-performance capabilities, making it ideal for a variety of applications. Key Features: Refrigerated Functionality: The centrifuge includes temperature control, ensuring that samples remain stable during processing, which is crucial for sensitive biological specimens. Versatile Rotor Options: The fixed angle rotor accommodates 6 x 50 mL tubes, but with the right rotor and adapter combinations, it can handle tube sizes ranging from 0.2 mL to 100 mL. This versatility allows for diverse applications from microcentrifugation to larger samples. User-Friendly Controls: A digital display shows all run parameters, while variable speed and RCF (Relative Centrifugal Force) controls let users set specific conditions. The QUICK RUN key is perfect for quick spins, enhancing efficiency. Safety and Reliability: Rcjdpoxxz Svsfx Alaef Features include automatic rotor recognition, imbalance detection, and a dual lid-locking mechanism that ensures safe operation. It also has an electronic imbalance detection system to prevent accidents during runs. Applications: Cell Sedimentation: Ideal for isolating algae, yeast, bacteria, and cell organelles. Sample Preparation: Great for preparing DNA and protein precipitates, which are essential in molecular biology labs. Clinical Analysis: Suitable for blood and urine analyses, making it a valuable tool in medical diagnostics. Centrifugation of Microliter Tubes: Capable of processing standard test series in microliter tubes, ensuring versatility in routine analyses. Specifications: Maximum Speed: 15,000 rpm Maximum RCF: 21,890 x g Control Speed: Adjustable from 300 to 15,000 rpm (±10 rpm) Noise Level:

Condition: excellent (used), I am offering a Heraeus Kendro UT 6 P laboratory oven with a digital Function Line controller. This device is designed for drying, heating, sterilization, and thermal processing of samples in laboratories, research facilities, and industrial plants. The oven is in perfect working order. The stainless steel chamber is clean and in good condition. It is equipped with a grate and guides that allow for adjusting the shelf height. Technical data: Manufacturer: Heraeus / Kendro Laboratory Products Redpfx Alozmamuoascf Model: UT 6 P Maximum temperature: 250°C Power supply: 230 V / 50–60 Hz Power: 1.27 kW Rated current: 5.5 A Protection class: IP20 Control: digital Function Line panel Stainless steel chamber Forced air circulation for uniform temperature distribution Condition: used, in working order

Year of construction: 2007, condition: like new (used), functionality: fully functional, Special Opportunity! Only ONE unit left! We are able to offer you this top-quality Thermo / Heraeus B 6200 incubator, in mint condition, from the inventory of the State of Thuringia. The B 6200 is one of the most reliable units on the market and has become indispensable in laboratories worldwide. Known for its high precision, it is also regarded among professionals as especially robust and durable. This device was purchased new by the State of Thuringia in 2007 and has since only been operated annually for calibration purposes. Its condition is immaculate both visually and technically – see photos. A particular highlight is the enhanced specification, far surpassing the standard model: this B 6200 features additional safety switches, a timer, and microprocessor-controlled temperature regulation. The price refers to one incubator with the described equipment and an internal shelf as shown. Technical Data: Thermo / Heraeus B 6200 incubator Rodpfjwcznbsx Alajcf Manufacturer: Thermo / Heraeus, Made in Germany Internal volume: 196 liters. Temperature range up to 70°C. Fresh air and exhaust ports. External dimensions (W x H x D): 895 x 816 x 715 mm Internal dimensions (W x H x D): 554 x 644 x 550 mm Weight: approx. 90 kg 230 V, 50 Hz, 2.6 A, 0.6 kW Features: Digital temperature controller with microprocessor monitoring, over- and under-temperature protection. Timer. Stainless steel inserts. Applications: Microbiological incubation in pharmaceutical, medical, and microbiological laboratories; hygiene testing in pharmaceutical, food, and cosmetics industries; long-term storage tests; and more. This offer is directed exclusively at commercial customers. An invoice with VAT shown will be provided. Private buyers may purchase the unit "on behalf of a customer." Direct commercial sale to private individuals is expressly ruled out. The goods are sold under exclusion of any warranty or liability for material defects. This exclusion does not apply to damage claims due to gross negligence or intentional misconduct by the seller, or any injury to life, limb, or health. Shipping will be arranged within three working days of payment receipt via freight carrier. Alternatively, you may collect the device from our premises by appointment during business hours. Total shipping weight including accessories and pallet is approx. 110 kg. If you have any questions, please contact us directly using the details provided.

Condition: new, capacity 90 degrees: round 300 mm capacity 90 degrees: square 330 mm 400 x 310 saw band length 3820 x 34 x 1,1 mm band speed 22 - 88 m/min table height 930 mm total power requirement 2,2 kW weight of the machine ca. 0,8 t dimensions of the machine ca. 2,22 x 1,2 x 2,1 m Double miter band saw, hydraulic semi-automatic • miter left 60° + right 45° • Industrial hydraulics, powerful 18 bar • Best access to the material • Ammeter to check a. - Optimization of cutting force - Tape life Rodpjwinykofx Alaecf - cutting course • Vise closes/opens hydraulically • Material turntable with ball bearings b. • Adjustable quick-release • Material height sensor Semi-automatic function: 1. Clamp material 2. Saw starts 3. Rapid lowering to the start of the material or the same for series cutting cut 4. Saw band off 5. Raise the frame to just above the material 6. Open the vise

Condition: used, Year of construction: 2003, operating hours: 4,935 h, Equipment: all wheel drive, * hydr Schnellwechsel * Standart Schaufe * 3. Steuerkreis * Arbeitsbeleuchtung * Straßenbeleuchtung * 4 Zylinder Perkins 700 Motor * 1 Hebelbedieung * 5800 kg GG * Heizung * Breit- Reifen 20 Zoll 90-60% Rjdpfx Alemcxgusaocf * Perkins 700 Serie 4 Zyinder Motor * deutsches Fahrzeug * 1. Hand * Betriebserlaubnis * Declaration of Conformity * Netto-Verkauf innerhalb der EU wird nur noch mit MWST Kaution und dem Nachweis der Zulassung im Bestimmungsland (Gelangensbestätigung) durchgeführt Verkauf nur an Gewerbe Dieses Angebot ist unverbindlich und freibleibend. Irrtum und Zwischenverkauf vorbehalten. · Keine Gewähr auf Eingabefehler. Transport zum Hafen möglich Besichtigungen nur nach Vereinbarung WhatsApp

Condition: new, capacity 90 degrees: round 305 mm capacity 90 degrees: square 260 mm 350x200 saw band length 3375x27x0,9 mm Rcodsfgyiaspfx Alaof band speed 18 - 100 m/min table height 940 mm total power requirement 1,5 kW weight of the machine ca. 0,65 t dimensions of the machine ca. 1,5 x 1,75 x 1,9 m SPECIAL PRICE!!! Double miter metal band saw, hydraulic semi-automatic GBS 305 HA-I Easy - Miter cuts up to 60° left and 45° right - Material height button - Ball bearing turntable - hydraulic Vice, laterally displaceable - Massive, large material support - Automatic cooling

Condition: new, capacity 90 degrees: round 305 mm capacity 90 degrees: square 260 mm 350x200 saw band length 3375x27x0,9 mm band speed 37 + 74 m/min table height 940 mm total power requirement 1,5/1,8 kW weight of the machine ca. 0,65 t dimensions of the machine ca. 1,5 x 1,75 x 1,9 m SPECIAL PRICE!!! Rcjdpfx Aljd Iipxsaef Double miter metal band saw, hydraulic semi-automatic GBS 305 HA-I Easy - Miter cuts up to 60° left and 45° right - Material height button - Ball bearing turntable - hydraulic Vice, laterally displaceable - Massive, large material support - Automatic cooling

Condition: new, capacity 90 degrees: round 250 mm capacity 90 degrees: square 210 mm 290 x 210 mm saw band length 2.965 x 27 x 0,9 mm mm table height 940 mm band speed 35 / 70 m/min Redped Iip Rjfx Alascf total power requirement 1,1/1,3 kW weight of the machine ca. 0,35 t dimensions of the machine ca. 1,3 x 0,8 x 1,5 m SPECIAL PRICE!!! Double miter metal band saw hydraulic semi-automatic with: - Hydraulic vice - Material height button - Cut monitoring by ammeter - Cutting pressure feed regulator - Belt speed 34 / 74 m/min - Miter cuts up to 60° left and 45° right - Patented, ball-bearing turntable for easy miter adjustment - Adjustable quick-release vise - Quick release lever - Automatic cooling Share of freight costs 120 EUR

Condition: new, capacity 90 degrees: round 250 mm Rjdpefgyh Sefx Alascf capacity 90 degrees: square 210 mm 290 x 210 mm saw band length 2.965 x 27 x 0,9 mm mm table height 940 mm band speed 25 - 90 m/min total power requirement 1,1/1,3 kW weight of the machine ca. 0,35 t dimensions of the machine ca. 1,3 x 0,8 x 1,5 m SPECIAL PRICE!!! Double miter metal band saw hydraulic semi-automatic with: - Hydraulic vice - Material height button - Cut monitoring by ammeter - Cutting pressure feed regulator - Belt speed 25 - 90 m/min - Miter cuts up to 60° left and 45° right - Patented, ball-bearing turntable for easy miter adjustment - Adjustable quick-release vise - Quick release lever - Automatic cooling

Year of construction: 1999, condition: good (used), For sale is a water treatment plant of make ENVOTECH and type 0320 from 1999. In 2016 a new reaction tank of the brand Leiblein, made of stainless steel, with the dimensions of 500*500*400 mm was added. The plant is fully functional and the contact details of the competent service technician are available and can be forwarded at the time of purchase. Technical data & information: - Executed in stainless steel - Including oil separation by coalescence principle - Including automatic cleaning - Built-in pump for waste water, concentrate and distillate - Frequency control of the compressor motor - Type: 0320 - Rated capacity l/h: 320 Energy consumption - In operation: 25 kW - Maximum power: 35 kW Supply voltage: 3*400 V - 50 Hz Dimensions lxwxh: 245x155x265 Face: ca 2600 kg Sound pressure level: 75 dB All data refer to operation with water On request, loading and shipping can be organized throughout Europe. Prices plus VAT Viewing by appointment possible. Contact us, our team is happy to help you. Ch3mj0l3eg Trade-in or exchange possible! Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES ETC. Rcedpspl Tqtsfx Alaef Do you need a high quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For more information or to contact us please visit our website

Condition: excellent (used), Year of construction: 1994, 4 side planer 8 8 HARBS heads Rcsdpfxjl Dw Nxs Alaef long table going 3 meters. Machine weight 5500 kg cardan drive. Head arrangement, bottom horizontal, right vertical, second right vertical, left vertical, top horizontal, bottom horizontal, top horizontal. Upper horizontal. 5.5 kW and 7.5 kW motors. Planing width 230 mm. Planing height 160 mm.

Condition: like new (used), functionality: fully functional, Newly arrived! We can offer you this top incubator / heating cabinet type B 5028 of the world brand "Heraeus" from federal stocks. The B 5028 is characterized by its particularly precise temperature control and minimal energy requirements and, due to its almost indestructible quality / design, is virtually indispensable in any laboratory. Thanks to its extremely compact design, it fits ideally as a table-top unit even in the smallest corner and can be connected electrically almost anywhere - power consumption only 180 watts! The minimum temperature deviations comply with DIN 58945 Sheet 1, and the appliance also has a timer, fresh air supply and overload/temperature protection. The appliances offered here are all from stock and have never been used - all components are in mint condition and undamaged - see pictures. The delivery takes place in a special wooden box, including power cable and operating instructions. Rcsdsqv Avtopfx Alaof Technical data: Temperature range 10-70 degrees External dimensions (WxHxD): 510 x 540 x 450 mm Internal dimensions (WxHxD): 260 x 350 x 320 mm Usable capacity approx. 28 liters DIN 12880 part 1 and 2 tested Protection class 1 IP 20 Temperature monitor according to DIN 12880 class 3.1 Shelves: 2 Weight: approx. 30 kg Shipment will be made within three working days of receipt of payment by a forwarding agent - you can of course also collect the appliance from us during regular opening hours. The total weight of the system including accessories and pallet is approx. 60 kg. The sale is aimed exclusively at traders, you will of course receive an invoice with VAT shown. Private buyers have the option of purchasing the device "on behalf of a customer"; direct commercial sales to private individuals are expressly excluded! The goods are sold under exclusion of any warranty or liability for material defects. The exclusion does not apply to claims for damages arising from grossly negligent or intentional breach of obligations by the seller or for any injury to life, limb or health.

Condition: ready for operation (used), Heraeus MR 260 Annealing Furnace Internal dimensions: 260mm x 500mm x 160mm (W x D x H) Space required: 1100mm x 700mm x 1560mm (L x W x H) Weight: 150 kg Rated temperature: 1000°C You are welcome to visit us for an inspection. We can arrange cost-effective shipping for you! You will receive a proper invoice. For international customers, a net invoice can also be issued. A valid VAT identification number is required. Subject to prior sale. Visit our shop and browse our other offers. The company names and trademarks mentioned are the property of their respective owners and are used solely for identification and description of the products. Rsdpfx Aszu Natjlaecf Deviations from technical data as well as errors in the description of the item may occur and are subject to change.

Year of construction: 2009, condition: excellent (used), functionality: fully functional, Kendro (Heraeus) UT 6060 hot air/drying oven with a capacity of approximately 54 liters. Key specifications: Internal dimensions: 403 × 340 × 380 mm External dimensions: 744 × 535 × 552 mm Capacity: 54 L Max. temperature: 300 °C Rodpfx Alezhv N Ieajcf Power: 1.64 kW Weight: 53 kg Vacuum drying oven

Year of construction: 2010, condition: excellent (used), Here, we offer a Heraeus Vötsch temperature testing chamber. Vötsch temperature testing chamber, test cabinet VLM 3068/S, air-cooled (top-loading test chambers for construction materials) Control panel The control panel is mounted on a console on the temperature testing chamber. All control and operating commands can be initiated by simply touching the function symbols. The operating manual for the control panel is included. Main switch The main switch is located at the front of the temperature testing chamber. Air handling unit The air handling unit is located in the test chamber and contains the components necessary for temperature control. Redpfszgbmisx Alajcf In the air handling unit, the air is conditioned (cooled/heated) and circulated through the test chamber by the test chamber fan. The air is drawn in at the center of the side wall and re-enters the test chamber via the air guide plates on the long sides. Feedthroughs The temperature testing chamber can optionally be equipped with feedthroughs. These allow cables and testing equipment to be placed in the test chamber. Feedthrough at the front: 2 x 82 mm diameter, at the rear: 1 x 85 mm diameter Internal dimensions: width 2000 mm, depth 570 mm, height 600 mm External dimensions: width 3000 mm, depth 870 mm, height 1060 mm Technical data: Data for mechanical load: max. load with test specimen Test chamber floor (evenly distributed over the area) 600 kg Point load 50 kg Data for temperature tests: Temperature range -30 °C to +125 °C Temperature deviation over time in the center of the usable space ±1 K Temperature change rate Heating approx. 1 K/min Cooling approx. 2 K/min Data for operation: Rated voltage 3/N / PE AC 400 V ±10% 50 Hz Rated power 3 kW, rated current 9 A Fuse on customer side: 16A, slow-blow Temperature testing chamber VLM 3068/S Test chamber volume approx. 680 l Weight approx. 700 kg Refrigerant: R-404A Noise measurement: sound pressure level approx. 68 dB(A) Type: VLM 3068/S Condition: used Scope of supply: (See picture) (Changes and errors in the technical data and information are subject to change!) We will be happy to answer any further questions you may have by telephone.

Condition: used, maximum load weight: 14,100 kg, overall weight: 18,000 kg, axle configuration: 2 axles, first registration: 05/2012, loading space length: 7,100 mm, Year of construction: 2012, Internal vehicle number: G185 Rcjdpfx Aowcuzbjlajf Available immediately at our yard in Kaufungen. More information: * Golec Nutzfahrzeuge GmbH (German, English, Bulgarian, Russian) * Viktoria Sologubova (Polish, Russian, Ukrainian, English) Unladen weight: 3,900 kg GVW: 39,000 kg Load compartment length: 7,100 mm Subject to errors and omissions. We will gladly accept your used vehicle as a trade-in. Financing is available directly with us. GOLEC NUTZFAHRZEUGE GMBH We speak: German, English, Spanish, Polish, Ukrainian, Russian, Bulgarian.

Condition: used, first registration: 11/2007, Year of construction: 2007, GERGEN JUNG 2 - axle trailer for skip containers / containers, twin tires, air suspension • ABS • 2 x air-suspended 9-ton Mercedes axles • Disc brakes • Twin tires • Lift/lowering system • Axle load: 2 x 9,000 kg • Gross vehicle weight: 18,000 kg • Curb weight: 3,400 kg • Payload: 14,600 kg • Tyres: 265 / 70 R 19.5 • Tyre tread: 80 % • Total trailer length: 7,500 mm - Ready for operation! Rjdeyutx Ujpfx Alajcf - General inspection / TÜV safety inspection: new! Errors and prior sale reserved! = Further information = GVW: 1 kg Please contact Joannis Arpantzanis or Kai Bühler for more information.

Condition: new, total height: 1,700 mm, total length: 2,000 mm, total width: 1,480 mm, Equipment: documentation/manual, Semi-Automatic Band Saw Machine Saw blade size 2910 x 27 x 0,9 mm Cutting speeds 20 - 120 m/min Cutting capacity 0° round Ø258 mm Cutting capacity 0° square 250x250 mm Cutting capacity 0° rectangular 320x100 mm Cutting capacity 45° round 210Ø Cutting capacity: 45° square 195x195 mm Cutting capacity: 45° rectangular, 210x100 mm Cutting capacity 60° round 135Ø Cutting capacity 60° square 110x110 mm Cutting capacity 60° rectangular 135 x 100 mm Cutting capacity -45° round 185Ø Cutting capacity -45° square 170x170 mm Cutting capacity -45° rectangular 195x100 mm Weight 390 kg Rsdpfx Ajzquywelajcf If you have any questions concerning the machine, please do not hesitate to contact us by phone or e-mail. Feel free to view our other advertisements for a complete overview of our stock.

Condition: excellent (used), functionality: fully functional, For sale the vertical straight line edging machine with variable angle ZAFFERANI GLAS S.r.l Type: FLAT 8 BS 30 in very good working condition ! with ONLY 102 000 working meters ! 8 spindles 60° variable angle Rodjzxbqlepfx Alascf Min Glass Size 80 x 80 mm Glass Thickness 3 - 22 mm

Condition: new, Bandsaw machine Manufacturer: METALLKRAFT Model: BMBS 300 x 320 HA-DG Art. No.: 3690041 Condition: New machine Cutting range (round): 300 mm Band speed: 20-100 m/min, infinitely variable Standard equipment includes: - Fully hydraulic, semi-automatic version After starting, the machine automatically tensions the blade, after the cut is complete, it returns to the starting position, stops the saw blade, and opens the clamping device. - Cutting sensor for automatic detection of material height - Horizontal clamping device, mechanical, hydraulic - Monitoring of saw blade tension, electromechanical Rcsdpfsilg Hdjx Alajf - Chip removal brush - Measuring stop with a scale of 1,000 mm - Coolant system - Operating manual

Condition: new, functionality: fully functional, Year of construction: 2026, BS-500 PRO Even the best road coating wears during exploitation. Heavy traffic, unfavorable weather conditions, and other factors negatively affect the asphalt. Bitumen pressure distributor BS-500 PRO – is the number-one equipment to protect the load-bearing structure of the road with surface treatment. The model has a safe and inexpensive heating system, responsible for maintaining the required temperature of the emulsion. The 500-liter emulsion tank is insulated with solid mineral wool. Technical Specifications Engine power (petrol, air cooled)-4.3 kW (5.8 hp) Emulsion tank capacity-500 l Rjdpfovuaccjx Alascf Productivity-28 l/min Nozzles on the spraying bar- 7 pcs Spraying width-1.7 m Diesel cleaning system Spraying bar is modularised, consisting of 3 sections, with rubber protection plates that protect against contamination and emulsion in unplanned areas Remote control of the spraying bar Electric starter Tank self priming function Emulsion tank heating system Ability to connect a third party compressor for cleaning the spraying bar