TREVIL 5040 EASYFORM, Инструкция по эксплуатации и обслуживанию

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50xx Easyform-ed0811
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50xx EASYFORM 14
Pressure switch, pressure gauge
•
Clean the tube 1
• Clean the fitting 2
Safety valve
•
Unscrew the safety valve 1
Use caution when handling
the safety valve: do not alter
the setting
• Clean the fitting and the hole
from scaling
Level probes
•
Remove level probes 1 and 2
• Remove scaling from the level
probes
Water inlet
•
Remove water inlet tube
1
• Clean from scaling
• Clean the water inlet
fitting 2
Heating element
•
Unscrew the bolts and
remove the heating
elements flanche
• Clean the heating
elements from scaling
Table 6.1 - Maintenance of the boiler group (only for machine with built-in boiler)
Maintenance
WARNING - Only properly trained operators can dis-
charge the boiler.
If you have doubts about the boiler discharge procedure, ask the
technician to explain it again.
If you feel that the connection of the boiler exhaust to the drainage
is not in good order, do not discharge the boiler and call the techni-
cian.
Boiler discharge procedure :
1. Verify that the connection to the drainage system is firm and
intact;
2. Wait for the pressure in the boiler to be under 1 bar;
3. Lift the metal frame and slowly open the boiler discharge
valve;
4. When the discharge is finished, close the discharge valve and
block it with the metal frame.
WARNING - The boiler discharge procedure is safe only if
the following conditions are verified:
• the boiler discharge valve is safely and firmly connected
to the permanent drainage system
• the pressure displayed by the gauge is lower than 1 bar
6.1.3. Every six months
Call the authorised technician to perform the maintenance operations
described in the following paragraph.
6.2. Maintenance to be carried out by the
technician every six months
WARNING: The maintenance operations described in this
chapter must only be carried out by qualified personnel.
WARNING for the technician:
Before any kind of maintenance or control intervention:
•
Disconnect the machine from electricity, air and steam
• Discharge air pressure from the pneumatic circuit by opening
the valve at the air inlet (only for models with sleeves tension-
ing)
• Make sure that all the parts of the machine have cooled down
For types with boiler: the pump is equipped with a self- the pump is equipped with a self-
restoring protection. restoring protection. Always disconnect power from the Always disconnect power from the
appliance before servicing the pump: it may restart abruptly. appliance before servicing the pump: it may restart abruptly.