Unigas HP60, Manual

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PART III: MAINTENANCE MANUAL
MAINTENANCE MANUAL
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.
N.B. All operations on the burner must be carried out with the power disconnected
PERIODICAL SERVICING
- Clean and examine the gas filter cartridge and replace if necesssary;
- Clean and examine the light oil filter cartridge and replace if necessary;
- Examine the condition of the light oil flexible tubing and check for possible leaks.
- Clean and examine the filter inside the light oil pump (see instructions in the Appendix).
- Dismantle and clean the combustion head (see Fig.45-6).
- Examine and clean the ignition electrodes, adjust and replace if necessary (see Fig.47).
- Dismantle and clean the light oil nozzle (Important: use solvents for cleaning, not metal utensils), and at the end of the
maintenance procedures, after replacing the burner, light it and check the shape of the flame and if in doubt replace the nozzle;
where the burner is used intensively it is recommended that the nozzle be replaced as a preventive measure at the start of the
operating season;
- Clean and degrease joints and rotating parts.
IMPORTANT: Remove the combustion head before checking the ignition electrodes.
To remove the combustion head
Type HP60
Remove the cap H.
Slide the UV photoelectric cell out of its
housing.
Undo the screw VR to free the threaded
rod C (first undo the two screws S
holding the head regulation screw in
place, then the screw VR).
Undo the locking screws V hold the
gas-collector, loosen the two connectors
E and remove the whole assembly as
shown in
Note: to replace the combustion head
reverse the procedure described above.
V
S
Fig. 32