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-1355
IC-1363
IC-1379
IC-1355
IC-1363
IC-1379
Nozzle Size (mm — inches)
2.5
3.5
4
1.9
2.4
2.7
Air Adjustment ”d” (mm — inches)
4 — 1/64
4 — 1/64
4 — 1/64
18 — 11/16
18 — 11/16
18 — 11/16
Figure A.1: Air Adjustment Detail
44