GEM 639 eSyStep Operating Instructions Manual page 59

14.4 Mounting the compressor
D
C
Fig. 5: Exemplary picture
1. Place the compressor loosely on the actuator spindle.
2. Fit recesses D into guides C.
ð The compressor must be able to be moved freely between
the guides.
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D
C
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14.5 Mounting the diaphragm
14.5.1 Mounting the concave diaphragm
Recess of compressor
Diaphragm boss
1. Move the actuator A to the closed position.
2. Mount the compressor (see "Mounting the compressor").
3. Check if the compressor is fitted in the guides.
4. Manually screw new diaphragm tightly into the com-
pressor.
5. Check if the diaphragm boss fits closely in the recess of
the compressor.
6. If it is difficult to screw it in, check the thread and replace
damaged parts.
7. When definitive resistance is felt, turn back the diaphragm
until its bolt holes are in correct alignment with the bolt
holes of the actuator.
8. Align the weir of compressor and diaphragm in parallel.
14 Inspection and maintenance
Diaphragm pin
GEMÜ 639 eSyStep
OPEN / CLOSE (Code AE)