Pfeiffer Vacuum MVP 015-2, Руководство по эксплуатации

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Problem Possible causes Remedy
Vacuum pump does not reach
the specified ultimate pres-
sure
● Condensate in the
vacuum pump
● Operate the vacuum pump over a
longer period at atmospheric pres-
sure and, if necessary, with the
gas ballast valve open.
● Gas ballast valve open ● Close the gas ballast valve.
● Soiled valves or dia-
phragms
● If necessary, clean or replace the
valves and diaphragms.
● Leak in system ● Locate and eliminate the leak.
Pumping speed of vacuum
pump too low
● The intake line is not
suitably dimensioned
● Make sure that connections are
short and cross sections ade-
quately dimensioned.
● Exhaust pressure too
high
● Check exhaust line outlet opening
and exhaust side accessories.
Unusual noises during opera-
tion
● Defective valves or di-
aphragms
● If necessary, clean or replace the
valves and diaphragms.
● Suction chamber dirty ● Clean suction chamber.
● Silencer loose or miss-
ing
● If necessary, check or replace the
silencer.
● Valves dirty or defec-
tive
● If necessary, clean or replace the
valves and diaphragms.
● Motor fan defective ● Replace the motor fan.
● Contact Pfeiffer Vacuum Service .
● Connection rod or mo-
tor bearing defective
● Contact Pfeiffer Vacuum Service .
Tbl. 8: Troubleshooting on diaphragm pumps
Malfunctions
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