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At least once a year carry out the maintenance operations listed below. In the case of seasonal servicing, it is recommended to carry
out the maintenance at the end of each heating season; in the case of continuous operation the maintenance is carried out every 6
months.
WARNING: ALL OPERATIONS ON THE BURNER MUST BE CARRIED OUT WITH THE MAINS DISCONNECTED AND
THE FUEL MANAUL CUTOFF VALVES CLOSED!
ATTENTION: READ CAREFULLY THE "WARNINGS" CHAPTER AT THE BEGINNIG OF THIS MANUAL..
ROUTINE MAINTENANCE
Clean and examine the gas filter and replace it if necessary (next paragraph).
Clean and examine the oil filter cartridge and replace it if necessary.
Examine the flexible hoses and check for possible leaks.
Check and clean if necessary the oil heaters and the tank, according to the fuel type and its use; remove the heaters flange fixing
nuts and remove the heaters from the tank: clean by using steam or solvents and not metallic things.
Remove and clean the combustion head (page 35).
Examine and clean the ignition electrode, adjust and replace if necessary (see page 36).
Examine and clean the detection probe, adjust and replace if necessary (see page 37).
Examine the detection current (see page 37).
Remove and clean (page 37) the heavy oil nozzle (Important: use solvents for cleaning, not metallic tools) and at the end of
the maintenance procedures, after replacing the burner, turn it on and check the shape of the flame; if in doubt replace the nozzle.
Where the burner is used intensively it is recommended to replace the nozzle as a preventive measure, at the begin of the opera-
ting season.
Clean and grease joints and rotating parts.
IMPORTANT:Remove the combustion head before checking the ignition electrode.
Remove and clean the compressed air governor A in Fig. 35
Remove and clean the oil governor B in Fig. 35
CAUTION: avoid the contact of steam, solvent and other liquids with the electric terminals of the resistor.
On flanged heaters, replace the seal gasket before refitting it.
Periodic inspections must be carried out to determine the frequency of cleaning.
A
C.I.B. UNIGAS - M039126CE
PART III: MAINTENANCE
Fig. 35
34
B
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