17
Gas Conversion and Specifications
Target Top - Pilot Burner
1.
To remove the pilot burner, disconnect the gas
supply tube from the base of the pilot burner.
2.
Remove the bolt securing the retaining plate
holding the pilot burner and thermo couple to the
mounting bracket. Remove the retaining plate.
3.
The pilot burner can now be removed from the
mounting bracket.
4.
Unscrew the base nut from the pilot burner and
withdraw injector and spring from inside the pilot
burner.
5.
Determine the correct injector size for the
corresponding gas from the rating plate affixed to
the right hand front corner of the target top next to
the gas control valve.
6.
Re-assemble the pilot burner to the retaining
bracket ensuring that the ports in the pilot burner
are at the same height as the thermo-couple.
Secure the pilot burner and thermocouple to the
bracket with the retaining plate and securing
screw.
NOTE:
Ensure that the pilot burner and
thermocouple are correctly located and that
the pilot burner aligns with the main burner
ignition port. (Refer to the figures for correct
fitting and alignment dimensions).
7.
Re-connect the gas supply tube to the base of the
pilot burner.
8.
Refit the right hand main fire brick and the 2 front
fire bricks to the target top.
9.
Refit the 2 half plate castings to the target top,
ensuring that they correctly interlock once fitted.
Refit the centre casting using the casting removal
tool.
10. Refit the front control panel and tighten the 2
screws on the underside of the front control panel
to secure the panel in place.
11. Refit the control knob to the front control panel.
The control knob is a push fit onto the shaft of the
gas control valve.
Low Fire Adjustment (Target Top)
1.
Set the burner low fire adjustment. The low fire screw on the
gas control valve should be screwed fully in, then unscrewed by
the measurement shown in the 'Gas Specifications' table at the
end of this section.
NOTE: The 'Low Fire Screw' should be sealed with coloured paint
on completion of the low fire adjustment.
Main Burner
Injectors
Pilot Burner
Gas Supply
Tube
Main Burner
Ignition Port
Thermocouple
Pilot Burner
Main Burner
Ignition Port
Pilot Burner
Thermocouple
18± 2.0
2± 2.0
Fig 13
Fig 12
Fig 11
Low Fire
Adjustment
Screw
Fig 14
