Alliance Laundry Systems Drying Cabinet User Manual

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1. Disconnect electrical power from tumbler. Close 

gas shut-off valve to tumbler. Refer to Figure 6.

2. For Johnson GM7000 gas valve:

Remove burner orifice(s) from the spud holder. 
Refer to Figure 7.

3. Install the new, correct burner orifices. Refer to 

Figure 8. Torque each to 9 – 10 Nm.

4. Commission tumbler for use.

1. Check gas burner orifice (manifold) pressure as 

follows. Refer to Figure 7.

2. Loosen screw plug inside pressure tap located on 

underside of valve.

3. Connect a “U”- tube manometer (or similar 

pressure gauge) to the tap.

4. Start tumbler and note pressure once flame is 

burning. Remove regulator cap and adjust 
regulator screw until the injector pressure per 
applicable table is achieved. Replace regulator 
cap and close needle valve (pressure tap).

5. Commission tumbler for use.

Figure 8 

TMB2015N

Size Stamped on Burner Orifice