HP Hickory Rotis N/45WDG Changing Gas Orifices Changing the Main Gas Orifice, Venturi Assembly

Hickory Industries, Inc.

1.9Changing Gas Orifices

1.9.1Changing the Main Gas Orifice

1.The venturi tubes and manifold valves are on the same side as the spit handles.

2.On each venturi, loosen the lock nuts (7/8" wrench) and then move the nut and the air intake cap all the way to the top of the nipple.

3.With a 3/4" wrench, loosen the nipple so that it can be removed from the venturi.

4.With the nipple/orifice assembly off, separate the main orifice from the nipple with a pipe wrench or a pair of pliers.

Nipple

Air Intake Cap

Lock Nut

Air Intake Adjustment

Main Orifice

Venturi Tube

Venturi Assembly

Re-assemble all of the components with the new main orifice. Make sure that the proper air intake adjustment is made for the new type of gas (according to the tables on page 9). The flames should be blue in color, must be stable, and must not "lift off" the burner.

4900 Westside Avenue, North Bergen, New Jersey 07047	N/45 Series Manual12/00
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