18
Maintenance / replacement
Removing the ba-
cking pump
Fig. 6: Disassembly of the pumping stand housing
Detach the fore-vacuum line from the vacuum connection of the diaphragm
pump and take it off.
– Do not kink or damage the fore-vacuum hose.
Unscrew and remove the housing screws and washers on the front and rear of
the pumping stand frame.
Take off the housing with turbopump, display and control unit and relay box
from the pumping stand frame.
Fig. 7: Disassembly of the diaphragm pump from the pumping stand frame
Unscrew and remove the fastening nuts 30 from the bottom of the frame.
Take off the mounting bracket from the diaphragm pump.
Unscrew the fastening screws 35 (Allen head) far enough from the frame until
the backing pump becomes detached.
Lift out the diaphragm pump above the top of the pumping station frame.
1.1
Housing
1.2
Frame
11.1
Backing pump vacuum connection
21
Housing screw
34
Washer
36
Clamping screw
1.2
Frame
1.4
Mounting bracket
11
Diaphragm pump MVP 015-2
30
Fastening nut
35
Fastening screw
36
21/34
21/34
1.1
11.1
1.2
35
30
11
1.4
1.2
