Safety Prior to handling the machine, this instruction manual should be read and understood. If anything needs to be clarified, please contact your Busch representative. Read this manual carefully before use and keep for future reference. This instruction manual remains valid as long as the customer does not change anything on the product.
2 | Product Description Product Description Suction connection Oil drain plug Discharge connection Cooling air inlet Oil fill plug (=Venting valve) Cooling air outlet Oil sight glass Flow control device Terminal box with temperature transmitter NOTE Technical term. In this instruction manual, we consider that the term ‘machine’ refers to the ‘vacuum pump’.
(volume content greater than 21% and up to 100%). Conveying of other media leads to an increased thermal and/or mechanical load on the machine and is permissible only after a consultation with Busch. The machine is intended for the placement in a non-potentially explosive environment.
3 | Transport Transport WARNING Suspended load. Risk of severe injury! • Do not walk, stand or work under suspended loads. Machine weight: see the technical data or the nameplate Use both eye bolts! WARNING Lifting the machine using the motor eye bolt. Risk of severe injury! •...
Installation | 5 Installation WARNING Lack of oxygen regulation knowledge. Risk of fire! • Installation, commissioning and maintenance must only be carried out by qualified personnel who are informed about the applicable safety regulations and trained in the handling of oxygen. •...
5.3 Filling Oil WARNING Fill the machine with wrong oil type. Risk of fire! • Only use oil approved by Busch and suitable for oxygen application, see Oil [► 19]. 8 / 24 0870168409_MV0602B_O2_A0000_IM_en...
Installation | 5 At delivery, the machine is already filled with specific oil "Busch YLC 250 B" which is suitable for oxygen application. A lead seal is applied on the oil fill plug (OFP) and the oil drain plug (ODP) in order to prevent wrong material from being filled in.
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5 | Installation Double star connection, multi-voltage Star connection, multi-voltage motor motor with 9 pins (low voltage): with 9 pins (high voltage): Double star connection, multi-voltage Star connection, multi-voltage motor motor with 12 pins (low voltage): with 12 pins (high voltage): Delta connection, multi-voltage motor with 12 pins (middle voltage): NOTICE...
7 | Maintenance NOTICE Lubricating a dry running machine (process chamber). Risk of damage to the machine! • Do not lubricate the process chamber of the machine with oil or grease. CAUTION During operation the surface of the machine may reach temperatures of more than 70°C.
Maintenance | 7 WARNING Use of non-Busch genuine spare parts. Risk of fire! • Only use Busch spare parts approved by Busch and suitable for oxygen application. WARNING Machines contaminated with hazardous material. Risk of poisoning! Risk of infection! If the machine is contaminated with hazardous material: •...
7 | Maintenance The oil level should stay constant over the lifetime of the oil. If the level does fall, the gear is leaky and the machine requires repair. • Fill up if necessary, see Oil Filling [► 8]. 7.3 Cleaning from Dust and Dirt 4 mm hex key Remove the front cover and untie the rolled-up cable,...
• Decontaminate the machine as well as possible and state the contamination status in a ‘Declaration of Contamination’. Busch will only accept machines that come with a completely filled in and legally binding signed ‘Declaration of Contamination’. (Form downloadable from www.buschvacuum.com) Decommissioning •...
Use of non-Busch genuine spare parts. Risk of premature failure! Loss of efficiency! • The exclusive use of Busch genuine spare parts and consumables is recommended for the proper function of the machine and for granting of warranty. WARNING Use of non-Busch genuine spare parts.
(VRE) is misadjusted or de- valve (VRE) fective. The inlet filter cartridge (op- • Replace the inlet filter tional) is partially clogged. cartridge. Internal parts are worn or • Repair the machine (con- damaged. tact Busch). 0870168409_MV0602B_O2_A0000_IM_en 17 / 24...
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(CPL). Oil level too low. • Top up oil. Defective bearings. • Repair the machine (con- tact Busch). The machine runs too hot. Insufficient cooling. • Remove dust and dirt from the machine. Ambient temperature too • Observe the permitted high.
This Declaration of Conformity and the CE-mark affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Declaration of Conformity is issued under the sole responsibility of the manufacturer. When this machine is integrated into a superordinate machinery the manufacturer of the superordinate machinery (this can be the operating company, too) must conduct the conformity assessment process for the superordinate machine or plant, issue the Declaration of Conformity for it and affix the CE-mark.
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