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Edition: 2.1 · 24.07.2023 · BA 159-EN Translation of the original Operating Instructions Keep in a safe place for future reference! Operating Instructions V-VCB 20 | 25 Vacuum pump V Serie V Series Drehschieber Rotary Vane...
Foreword Foreword Principles These Operating Instructions: • are a part of the following oil-flooded rotary vane vacuum pumps models V-VCB 20 | 25. • describe how to use these pumps safely and properly in all life phases and they apply to all responsible persons •...
Foreword Disclaimer Please note that we cannot accept any liability for damages arising from failure to observe the instructions. Gardner Denver Schopfheim GmbH does not assume liability for the following cases: • Not intended use • Not complying with these instructions •...
Safety Safety The manufacturer is not responsible for damage due to non-observance of the whole documentation. General These operating instructions contain basic instructions for installation, commissioning, maintenance and in- spection work which must be obeyed to ensure the safe operation of the machine and prevent physical and material damage.
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Safety Symbol Explanation Warning signs Obey all safety instructions with this symbol in order to avoid injury or death. Warns of potential risk of injury Warns of electrical voltage Warns of suspended loads Warns of hot surface Mandatory signs Obey all instructions with this symbol in order to avoid injury or death. Observe the Operating Instructions Wear eye protection Wear protective gloves...
Safety Intended use The machine is suitable for conveying the following media: • Air: The extracted air may contain water vapour, but no water or other liquids. For water vapour compati- bility, see Info I 200 • all non-explosive, non-combustible, non-aggressive and non-poisonous damp gases and gas-air mixtures The machine must only be operated in such areas as are described in the operating instructions: Ø...
Safety Ø The following works are only allowed to be done by technical specialist personnel, who have been trained and instructed for the works assigned: • Transport only by forwarding agents • Erection, commissioning, maintenance and inspection works, as well as troubleshooting by specialist personnel (e.g.
Safety Responsibilities of the user During the whole operating period of the machine, the operating company is obliged to prove that the limits have been met and the required maintenance and inspection works have been performed. The user must ensure that: •...
Safety 2.11 Safety equipment, monitored functions Missing or non-functional safety equipment may lead to dangerous operating states and thus result in li- fe-threatening injuries. Ø Do not modify or bypass safety equipment and safety functions Ø Check the function at regular intervals 2.12 Emergency Stop / Emergency Off Missing safety equipment may lead to hazardous operating states.
Transport and storage Transport and storage Transport WARNING Death by falling down or tipping over of the transported goods! Falling or tipping over of transported goods can cause serious or fatal injuries. Limbs can be crushed. Ø Select the lifting device according to the total weight to be transported. Ø...
Transport and storage The pump is supplied on a pallet. a) Unload the pump using a forklift or pallet truck and transport to the installation location. b) Tighten the fixing screw (Fig. 1/2) on the lifting lug (Fig. 1/1) firmly. c) For lifting the machine, it must be suspended on the lifting lug using the lifting device.
Product overview and functioning Product overview and functioning Product Overview Vacuum connection Oil recommendation plate Exhaust air outlet Data plate Suction flange Direction of rotation arrow Cooling air inlet Drive motor Cooling air outlet Motor data plate Oil filling point Hot surfaces >...
Product overview and functioning Fields of application The oil-flooded rotary vane vacuum pumps V-VCB are suitable for creating vacuums. With free intake the nominal pumping capacity is 20 m /h (VCB 20) and 23 m /h (VCB 25) at 50 Hz. Data sheet D 159 shows the dependency of the pumping capacity on the intake pressure.
Installation Installation We urgently recommend having the installation carried out by qualified specialist personnel. Gardner Denver does not accept liability for damages caused by improper carrying out of installation. Preparation of installation Ensure the following conditions: • Machine freely accessible from all sides •...
Installation Connection of pipes WARNING Parts being ejected from over pressure! Closing or narrowing of the exhaust air openings may lead to impermissible pres- sure in the machine. This could result in severe or mortal injury, components may be damaged. Ø...
Installation Connection of motor DANGER Danger to life if the electrical installation has not been carried out professi- onally! Installation that has not been carried out professionally or properly can cause serious injuries or death. The whole electrical system can be destructed. Ø...
Commissioning and decommissioning Commissioning and decommissioning WARNING Risk of injury due to improper operation! Improper operation of the machine can cause serious or fatal injuries. Ø Only use the machine in accordance with the intended use. See chapter 2.4. CAUTION Risk of injury due to hot surfaces! When the machine is at operating temperature the surface temperatures on the components may rise to above 70 °C.
Commissioning and decommissioning • oil filled and oil level checked • vacuum pump and pipelines cleaned • check the function of optional accessories (if present) 6.1.2 Check the rotation direction CAUTION Risk of injury due to wrong direction of rotation! Rotating backwards for a longer time can cause injuries due to drawing in and can damage the machine.
Commissioning and decommissioning CAUTION Risk of injury due to hot surfaces! When the machine is at operating temperature the surface temperatures on the components may rise to above 70 °C. This can cause burns. Ø Avoid touching the hot surfaces. They are marked by warning signs. Ø...
2,000 or 3,000 operating hours only applies to oil that has been delivered or is approved by Elmo Rietschle. Please find an overview in Tab. 3 on page 30. For all works, observe the safety instructions described in chapter 2 “Safety”.
Maintenance and repair Maintenance table Interval Maintenance activities Chapter (Operating hours) daily Check the oil level 6.2.1 Depending on the degree of pollution Clean vacuum pump At least 1 x per month Check the pipes and screws for leaks and ensure —...
Maintenance and repair Cleaning of air filter CAUTION Danger of injury when dealing with compressed air! When the filter is blown off with compressed air, loose solid particles or powder dust swirling around may cause injury to the eyes. Inhaling can damage lungs. Ø...
If you change the type of oil, empty the oil tank completely. The waste oil must be disposed of in compliance with the local environmental protection regulations. As operating agent, we recommend Elmo Rietschle oils, see oil recommendation plate (Fig. 6/M) as well as Tab. 3 on page 30: •...
Maintenance and repair 7.6.1 Refilling of oil a) Switch the machine off, secure it against accidental switching on and vent to atmospheric pressure. b) Open the cap of the oil filling point (Fig. 6/H) and refill oil until it reaches the upper edge of the sight glass (Fig.
Maintenance and repair Oil separator element Screw, 4x O-ring Air outlet cover Fig. 7 Oil separator element a) Switch the machine off, secure it against accidental switching on and vent to atmospheric pressure. Let the machine cool down. b) Undo the screws (Fig. 7/s ) on the air outlet cover (Fig.
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Maintenance and repair Suction flange Coupling half on the pump side Housing cover Coupling bolt Coupling rubber Screw Circlip Screw Motor Fig. 8 Coupling a) Switch the machine off, secure it against accidental switching on and vent to atmospheric pressure. Let the machine cool down.
For a simple and fast maintenance we are offering several service kits for our vacuum pumps. They include all wearing parts and sealings that are required for the respective maintenance works. These service kits and oil types can directly be ordered from our Elmo Rietschle Service with quotation of the material numbers.
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Maintenance and repair Trading units Material number Description Super-Lube 46 Canister, 1 l 7201496000 Synthetic oil, for longer oil change inter- 500 - 3,000 h vals at high thermal load of oil, e.g. ambi- Canister, 0.5 l 7201576000 ent or intake temperatures above 30 °C, insufficient cooling, 60 Hz-operation.
Errors Errors DANGER Danger to life! If malfunctions are disregarded and/or removed only insufficiently, serious to lethal injuries can occur. Ø Never put the pump in operation again after it has been switched off auto- matically without unequivocally finding out the reason for this shut-off and remedying it.
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The coupling rubbers worn Replace the coupling rubbers Chapter 7.8.2 a strange noise (The blades making The pump housing is worn Repair by manufacturer or Elmo Rietschle a hammering noise (chatter marks) authorised workshop Service when starting from The vacuum adjustment valve Replace the valve Chapter 7.10...
Disassembly and disposal Disassembly and disposal Disassembly WARNING Risk of injury due to substances hazardous to health! Due to contamination with hazardous substances and operating agents during operation, there is a high health risk for the personnel. Ø Before disassembly, properly clean the machine. Ø...
Technical Data Technical Data V-VCB Average sound pressure level 50 Hz EN ISO 3744 dB(A) 60 Hz Tolerance ± 3 dB(A) Weight * Length * Width Height Vacuum connection Oil filled volume 0.35 Tab. 5 Technical Data * Length and weight may differ from the information listed here depending on the motor manufacturer. Please find more technical details in the data sheet D 159 ¦...
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Gardner Denver Schopfheim GmbH Johann-Sutter-Straße 6+8 79650 Schopfheim · Germany Phone +49 7622 392-0 +49 7622 392-300 Elmo Rietschle is a brand of Ingersoll Rand...
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