Mounting A Concave Diaphragm - GEM 653 Installation, Operating And Maintenance Instructions

Diaphragm size 100:
The diaphragm is round. Compressor and
bonnet flange seen from below:
D
C
Place the compressor loosely on the bonnet
spindle, fit A into B and D into C.
653, 654
B
D
B
A
C
A
11.3.2 Mounting a
concave diaphragm
Diaphragm size 8
Push-fit diaphragm:
Diaphragm may be damaged if the
compressor is wound down too far!
Take care not to wind down the
G
compressor beyond the max. area
(see picture / grey arrows).
Recess of compressor
Tab
1. Move bonnet A to the closed position.
2. Place the diaphragm 2 with the fastening
spigot in an inclined position at the
recess of the compressor.
3. Turn the diaphragm as manual force
is applied to push the spigot into the
compressor.
4. Align diaphragm tab (identifying
manufacturer and material) in parallel to
compressor weir.
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CAUTION
Fastening
spigot