BUSCH MINK MM 1102 BV, Инструкция по эксплуатации

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MM 1104, 1144, 1102, 1142 B V ATEX-Version, Gas Tight
page 16
0870141675 /
190709
Troubleshooting
Problem Possible Cause Remedy
The vacuum pump does not reach the usual
pressure
The drive motor draws a too high current
(compare with initial value after
commissioning)
Evacuation of the system takes too long
The vacuum system or suction line is not leak-
tight Check the hose or pipe connections for
possible leak
In case a vacuum relief valve/regulating
system is installed:
The vacuum relief valve/regulating system is
misadjusted or defective
Adjust, repair or replace, respectively
The screen in the suction connection (m) is
partially clogged Clean the screen
If cleaning is required too frequently install a
filter upstream
In case a filter (l) is installed on the suction
connection (m):
The filter on the suction connection (m) is
partially clogged
Clean or replace the filter (l), respectively
Partial clogging in the suction, discharge or
pressure line Remove the clogging
Long suction, discharge or pressure line with
too small diameter Use larger diameter
The valve disk of the inlet non-return valve is
stuck in closed or partially open position Disassemble the inlet, clean the screen and
the valve (v) as required and reassemble
Internal parts are worn or damaged Repair the vacuum pump (Busch service)
The gas conveyed by the vacuum pump
smells displeasing Process components evaporating under
vacuum Check the process, if applicable
WARNING
Vacuum pump for use in potentially explosive atmospheres.
The vacuum pump must only be operated in faultless condition.
Risk of explosion in case of operation of faulty equipment!
A faulty vacuum pump must immediately be removed from service.
In case of faults the cause of which cannot be determined the Busch service must be contacted.
CAUTION
During operation the surface of the vacuum pump may reach temperatures of more than 70 °C.
Risk of burns!
Let the vacuum pump cool down prior to a required contact or wear heat protection gloves.
WARNING
Risk of electrical shock, risk of damage to equipment.
Electrical installation work must only be executed by qualified personnel that knows and observes the following regulations:
- IEC 364 or CENELEC HD 384 or DIN VDE 0100, respectively,
- IEC-Report 664 or DIN VDE 0110,
- BGV A2 (VBG 4) or corresponding national accident prevention regulation.