WAM SILOTOP zero - 9.2 Check-list in case of fault

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9.0 INFORMATION REGARDING FAULTS

FIL.SILOTOP_zero.--.M.A4.0722.EN Issue: A4

07.22

If you have been unable to solve the problem on the equipment (machine) even after having carried out

the operations suggested in paragraph “Trouble-shooting” please contact the plant technician/installer/or the

Manufacturer.

If technical assistance is required, in addition to the equipment data, the plant technician/installer or Manufac-

turer will also need information concerning the plant in which the equipment (machine) is installed, its installa-

tion and its working, for better identication of the problem that has occurred.

Obviously many of the checking operations which are requested have already been performed in the various

steps during installation, testing and start-up of the equipment (machine) concerned.

Danger - Warning

Before carrying out any operation “set the equipment (machine) concerned in safety” (see “Glossary

and terminology”), operate according to the indications on the “Operation and Maintenance Manual”

and in accordance with and in compliance with the standards in force as regards health and safety.

1) Information necessary

a) Description of the problem.

b) Photo showing the whole lter and how it is installed.

c) Dusty air volume that ows in the lter.

d) Does the lter start up without problems after long shutdowns?

e) Is the outlet free of encrustations? Are there shut o󰀨 valves that might prevent the evacuation?

f) What is the duration of the operating cycle?

2) Checking the electrical parts

a) Are voltage variations possible due to simultaneous start-up of various pieces of equipment?

b) Is the plant equipped with a power generator?

c) Measure the di󰀨erential pressure of the lter.

d) Check the electronic panel conguration and connection.

e) What is the value of the voltage supply?

f) What are the pause and working time of the cleaning system?

3) Checking the lter

a) Has the lter been assembled correctly?

Are all the inspection hatches in closed position?

b) Has the lter been xed properly?

4) Checking the dust

a) Description of the material

b) Density? (kg/dm3)

c) Particle size? (µm/mm)

d) Moisture? (%)

e) Flowability?

f) Compressibility?

g) Abrasiveness?

9.2 Check-list in case of fault