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7 Maintenance
65
7.3.5
Replacing the pump diaphragm
1.
Turn OFF the pump 1 and pump 2 switches.
2.
Disconnect the power connector.
3.
Remove the connected joint.
4.
Remove screw 1 (4), to remove the pump from the base.
5.
Remove screw 2 (4), to remove the cover.
6.
Remove screw 3 (4), to remove the diaphragm.
7.
Temporarily attach the new diaphragm using screw 3.
8.
Put the attached clearance gauge between the oscillation piece and transformer,
and adjust the diaphragm position so that the clearance gauge can pass through.
After the adjustment, tighten the screw 3.
9.
Attach the cover and assemble it by the reversed procedure.
Note
When the temperature is low, it may take time to obtain a stable pump flow.
Fig. 57 Replacing the pump diaphragm
CAUTION
High Temperature
The pump surface is in a high temperature. Replace the diaphragm at eariest after
one hour from power OFF.
Oscillation piece
Transformer
Screw 3 (4)
Screw 2 (4)
Cover
Screw 1 (4)
Diaphragm
(9057003200)