Specific Conversion Procedures

How to Convert Gas Valve from Regulated to Unregulated

NOTE: Conversion from regulated to unregulated is only needed when regulated tumblers were ordered, but unregulated tumblers were needed.

1.B-M gas valve:

(120 Pound Models) Refer to Table 2.

a.Disconnect electrical power from tumbler. Close gas shut-off valve to tumbler. Refer to Figure 2.

b.Remove converter cover screw. Invert brass converter and install with breather hole down. Reinstall converter cover screw. Refer to Figure 4.

c.Change injector size as required by the appropriate table according to How to Change Injector (Orifice) Size.

d.Commission tumbler for use.

Installation

2.Johnson GM2000 gas valve:

(170 Pound Models) Refer to Table 3.

a.Disconnect electrical power from tumbler. Close gas shut-off valve to tumbler. Refer to Figure 2.

b.Loosen screws on regulator adjustment knob, then turn knob clockwise. When knob no longer turns, retighten screws. Refer to Figure 3.

c.Change injector size as required by the appropriate table according to How to Change Injector (Orifice) Size.

d.Commission tumbler for use.

TMB1272N

TMB1272N

Figure 3

M414038

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