Alliance Laundry Systems T477C - Manual (Page 24)

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Installation
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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 regulated tumblers were needed.
Johnson GM7000 gas valve:
1. Disconnect electrical power from tumbler. Close
gas shut-off valve to tumbler. Refer to Figure 7.
2. Follow instructions in Conversion Kit, Part No.
431485 (Johnson Part No. GM-70 CBP).
NOTE: This kit does not contain any burner
orifices.
3. Change burner orifice size as required by the
appropriate table according to How to Change
Burner Orifice Size.
4. Commission tumbler for use.
Figure 7
TMB2135N
1 Gas Shut-Off Valve Assembly (closed position) 6 Required Burner Orifice Pressure
2 Gas Valve 7 Manometer
3 Burner Orifice 8 Hose - Connect Over Loosened Slotted
4 Regulator Adjusting Housing and Gasket Pressure Tap Screw in Bottom of Gas Valve
(Regulated version shown) 9 Spud Holder
5 Gas Valve Bracket 10 Outlet Pressure Tap
TMB2135N
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2
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