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Summary of Contents for BUSCH COBRA DS 2141 A
- Page 1 Instruction Manual COBRA Screw Vacuum Pumps DS 2141 A 0870741968/-0002_en / Original instructions 26/01/2022...
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Page 2: Table Of Contents
Monthly: ......17 COBRA DS 2141 A ..... . 3 Yearly: . -
Page 3: Cobra Ds 2141 A
O S G 1 E C O O S G 2 COBRA DS 2141 A IN Inlet C W C OUT Outlet OSG1 Oil sight glass OSG2 Oil sight glass OSG3 Oil sight glass PRV Regulating valve, Nitrogen CWC Cooling water connections... -
Page 4: Cobra Ds 2141 A
CWM 1 DGR1 VSD 2 VSD 1 OSG3 COBRA DS 2141 A CLD Cooling liquid drain plug VSD 2 Variable speed drive for MB FME Nitrogen flow meter PRV VSD 1 Variable speed drive for DP Nitrogen pressure reducer TS1... -
Page 5: Product Description
COMBI Solid particles must not get into the vacuum pump. Procedural errors The COBRA DS 2141 A vacuum pumps are a combination of a screw can result in the pump sucking in a certain quantity of liquid. If the vacuum pump NS 0350 A (DP) and a BOOSTER vacuum pump pump has sucked in liquid, a short drying time is necessary at the end WY 1251 B (MB). -
Page 6: Principle Of Dp Vacuum Pumps
CWM: cooling water flow rate in motors/ transmission / variable speed drives NOTE: The COBRA DS 2141 A vacuum pumps are principly dispatched See "Installation and Maintenance Instructions, Busch PLC and Busch with oil and cooling liquid already in the vacuum pump but, without LCD (No. -
Page 7: Safety
Is is vital that these installation and maintenance instructions are read and understood before the vacuum pump is used. If you have any doubts, please contact your local Busch representative. Safety information The vacuum pump has been designed and manufactured in accordance with the latest technical and safety standards. -
Page 8: Noise Emission
Stop the pump with the LCD controller (press on STOP button du- ring 10s) Busch YLC 250 B, Art. No. 0831 131 400 (0,5 l @ 1 kg) Press on emergency stop button Quantity: Switch off the main circuit breaker –... -
Page 9: Decommissioning Procedure
Decommissioning procedure When the product arrives at the end of the lifetime, it is necessary to proceed to the decontamination of the vacuum pump CAUTION Only authorised personnel may carry out any dismantling on the va- cuum pump. Before work begins, the operator of the vacuum pump must fill in a form or a “Declaration Regarding Contamination of Vacuum Equipment and Components”... -
Page 10: Preservation
Preservation – Ambient pressure: atmosphere – Humidity range: 20 to 95% If the vacuum pump will be exposed to unfavourable ambient condi- – Altitude: up to 1000 m tions (for example, aggressive environment, frequent temperature changes), begin immediately with preservation work on the vacuum ... -
Page 11: Discharge Connection
In the case of long discharge lines the line cross-section should be lar- tive. ger than the discharge flange to prevent a drop in the performance of Discharge connection the vacuum pump. If you have any doubts, contact your Busch repre- sentative. CAUTION Do not put hands into the outlet aperture. -
Page 12: Cooling Water Connection
Make sure that the drive of the vacuum pump is not disturbed by the rated current of the vacuum pump any electric or electromagnetic interferences. If you have any doubts, contact your Busch representative Power connector (Plug) Electrical connection WARNING Risk of electrocution, risk of damage. -
Page 13: Equipment Connections (With Options)
Oil filling Press on the start button The COBRA DS 2141 A vacuum pumps are generally dispatched with Make sure that the vacuum pump draws in oil already in the vacuum pump. Before vacuum pump first startup, control the oil level. -
Page 14: Oil Filling On Booster Puma Wy 1251 B
Filling in cooling liquid oil sight glasses (OSG1, 2, 3, 4) on the vacuum pump. The COBRA DS 2141 A vacuum pumps are generally dispatched with cooling liquid already in the vacuum pump. Before vacuum pump first startup, control the cooling liquid level. In the event of absence of one... -
Page 15: Checking The Direct Cooling
As soon as the vacuum pump is working under normal conditions after CAUTION being switched on: The COBRA DS 2141 A vacuum pumps could be delivered without Measure the working current of the motor and save it as reference oil, without cooling water and without cooling liquid. -
Page 16: Switching The Vacuum Pump On/ Off
Switching the system off Make sure that the inlet and outlet for the cooling air are not cove- red or closed and that the flow of cooling air is not impaired in any If the system is equipped with a solenoid gate valve at the intake: ... -
Page 17: Maintenance Program
NOTE: Oil does not normally have to be refilled outside the recom- it cannot be switched on again accidentally mended oil change intervals. A drop in the oil level indicates a fault (see "Alarms and warnings -> Busch PLC and Busch LCD"). Maintenance DS 2141 A... -
Page 18: Checking The Colour Of The Oil
Make sure that the drain plugs have been fitted properly and that they do not leak If dark oil similar to the example shown is observed, you have to contact the Busch Customer Service without delay. CAUTION Oil change Only fill in oil through the oil filler opening. -
Page 19: Checking The Cooling Liquid
COBRA NS 0350 A Filling in new cooling liquid Prepare the quantity of cooling liquid needed (see “Cooling liquid type/quantity”) NOTE: The quantity of cooling liquid specified is of informative nature only. Respect the procedure of filling the cooling liquid. ... -
Page 20: Overhaul
Only authorised personnel may carry out dismantling work on the Busch service will only accept vacuum pumps that come with a vacuum pump. Before work begins, the operator of the vacuum completely filled in and legally binding signed form. -
Page 21: Oil Type/ Quantity
Make sure that the oil type corresponds to specification: – Busch YLC 250 B, Art. No. 0831 131 400 (0,5 l @ 1 kg) WARNING The use of chemically contaminated or polluted oil can lead to hazardous pump conditions which could cause personal injury. -
Page 22: Cooling Liquid Type/ Quantity
Cooling liquid type/ quantity Cooling liquid type Make sure that the cooling liquid type corresponds to specifications : Specifications Zitrec M-25 (ready-to-use) 20 litres can 5 litres can part no. 0831 238 761 part no. 0831 563 469 Cooling liquid quantity The quantity of cooling liquid specified in this instructions manual is of informative nature only. -
Page 23: Technical Data
Technical data Technical data DS 2141 A Nominal suction capacity 1875 Ultimate pressure Torr < 2 x 10 mbar < 3 x 10 Nominal motor rating (72 Hz) Nominal motor rating (90 Hz) Electric power capacity at ultimate kW (MB : 90 Hz; DP : 85 Hz) pressure Maximal intensity (72 Hz) -
Page 24: Eu-Declaration Of Conformity
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. -
Page 25: Uk Declaration Of Conformity
This Declaration of Conformity and the UKCA-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 UKCA-mark. - Page 26 Note...
- Page 27 Note...
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