In order to improve the operating characteristics the outlet of the (Ú page 8: Conveying Condensable Vapours). The conveyance of pump chamber is equipped with a spring loaded valve. other vapours shall be agreed upon with Busch. The vacuum pump is intended for the placement in a non-potentially Oil Circulation explosive environment.
15 minutes (Ú page 8: Operation Notes). After turning off the vacuum pump the rically compatible with Busch-vacuum pumps, but do not feature the high retention capacity of genuine Busch-exhaust filters.
However, VCI-products may attack the surfaces of plastics and elastomers. Seek advice from your local packaging dealer! Busch uses CORTEC VCI 126 R film for the overseas packaging of large equipment.
CAUTION In case of very long suction lines it is prudent to use larger line sizes in order to avoid a loss of efficiency. Seek advice from your Busch The connection schemes given below are typical. Depending on the representative! specific order or for certain markets deviating connection schemes may apply.
Star connection (high voltage): CAUTION The vacuum pump is shipped without oil. Operation without oil will ruin the vacuum pump in short time. Prior to commissioning it must be made positively sure that oil is filled in. The vacuum pump is delivered without oil (oil specification Ú page 18: Oil).
(Ú page 8: Conveying Condensable Vapours). The conveyance of erties and can cause a seizure of the rotor. other vapours shall be agreed upon with Busch. Apply a suitable operating method to make sure that no conden- The vacuum pump is intended for the placement in a non-potentially sates remain in the vacuum pump.
● Prior to action that requires touching of the vacuum pump, let the ◆ If appropriate retrofit a gas ballast (Busch Service) and observe vacuum pump cool down, however, if the oil is to be drained, for the chapter Conveying Condensable Vapours (Ú page 8)
● Remove the drain plug (i) and drain the oil Checks during Operation When the oil stream dwindles: Busch recommends the use of a filter pressure gauge (available as an ● Reinsert the drain plug (i) accessory). Without filter pressure gauge the filter resistance shall be assessed on the basis of the drive motor current drawn.
Busch-vacuum pumps, but do not feature the high retention capacity of genuine Busch-exhaust filters and de- teriorate the service life and the efficiency of the vacuum pump due the drive motor draws too much current and/or the pump flow rate to their increased back pressure.
During dismantling of the vacuum pump personal protective www.busch-vacuum.com). equipment must be worn. Busch service will only accept vacuum pumps that come with a com- The vacuum pump must be decontaminated prior to disposal. pletely filled in and legally binding signed “Declaration of Contamina- tion”...
Replace the connections and/or the tubing (replace with identically dimensioned parts only) A shaft seal is leaking Replace the shaft seal ring (Busch service) An/The exhaust valve is not properly seated Disassemble and reassemble the exhaust or stuck in partially open position...
Page 15
Free the vanes or replace with new ones damaged (Busch service) The radial clearance between the rotor and Readjust the vacuum pump (Busch service) the cylinder is no longer adequate Internal parts are worn or damaged Repair the vacuum pump (Busch service) Version with oil return line to the suction connection (RC ...
Page 16
Repair the vacuum pump (Busch service) Version with three-phase motor: When connecting the vacuum pump make The vacuum pump was run in the wrong di- sure the vacuum pump will run in the correct rection direction (Ú page 6: Installation)
Page 17
Worn coupling element Replace the coupling element Stuck vanes Repair the vacuum pump (Busch service) Use only recommended oils (Ú page 18: Oil) and change more frequently The vacuum pump runs very hot Insufficient air ventilation Make sure that the cooling of the vacuum...
Page 18
Clean a clogged oil return line Replace a broken oil return line with an identi- cally dimensioned line, top up oil (if necessary by Busch service) The oil is black Oil change intervals are too long Flush the vacuum pump...
Note: This Declaration of Conformity and the -mark affixed to the nameplate are valid for the vacuum pump within the Busch-scope of delivery. When this vacuum pump 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 acc.
Busch LLC Factory Service Centers California Illinois 13826 Struikman Road 430 Windy Point Drive Cerritos, CA 90703 Glendale Heights, IL 60139 Phone (562) 926-8422 Phone (630) 545-1310 Fax (562) 926-7262 Fax (630) 545-1384 service.ca@buschusa.com service.il@buschusa.com New Jersey Puerto Rico 39 Davis Street...
Busch – All over the World in Industry www.busch-vacuum.com Australia Norway Dr.-Ing. K. Busch GmbH Busch Australia Pty. Ltd. Niederlassung Nord Busch Vakuumteknikk AS 30 Lakeside Drive Ernst-Abbe-Str. 1-3 Hestehagen 2 Broadmeadows, Vic. 3047 25451 Quickborn 1440 Drøbak Tel: (03) 93 55 06 00...