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Appendix A
Gas Conversion Technique
This operation requires the gas nozzle to be changed and the air ring to be adjusted.
•
Remove side panel to access the gas nozzle (left side of the machine)
•
Using a wrench, remove the nozzle and replace it with an nozzle that is appropriate for the
type of gas to be used. Refer to Table A.1.
•
Adjust the air ring according to the type of gas. Refer to Figure A.1.
Table A.1: Gas Nozzle Sizing
Gas Type
Natural Gas
LPG
Supply Pressure (mbar — in water)
20 — 8
37 — 14
Model
IC-2079
IC-20102
IC-20130
IC-2079
IC-20102
IC-20130
Nozzle Size (mm — inches)
4.7 — 3/16
5.5 — 7/32
6.5 — 1/4
3.2 — 1/8
3.7 — 9/64
4.1 — 11/64
Air Adjustment ”d” (mm — inches)
18 — 11/16
18 — 11/16
18 — 11/16
18 — 11/16
18 — 11/16
18 — 11/16
Figure A.1: Air Adjustment Detail
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