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7 CONVERSION
BEFORE INSPECTION, SERVICING OR CONVERSION, TURN OFF
GAS AT ISOLATOR AND REMOVE BRANDER BARS AND
BURNER BAFFLES.
7.4 GAS CONVERSION CHECK LIST
Change injectors in burner(s) and pilots(s) (see 8.2 & 8.4).
Adjust by-pass screw for LP by turning screw fully clockwise. To convert back to Ng,
ensure screw is turned fully clockwise and then turn screw two complete turns anti-
clockwise. (see 8.5). As a reference, the flame on turndown should be approximately
60% of that on high.
Change gas type label.
Adjust burner aeration shroud (see 8.1.4).
For G31, remove governor.
For G30, remove governor if supply pressure is 29mb or adjust governor if supply
pressure is higher than 29mb (see 8.6).