Champion 100515 Installation Manual page 27

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Mixer Change procedures - 22-kW (Model 100304)
The engine is fitted with a dual Master Mixer Assembly (carburetor
system), which allows the HSB to run on either NG or LPG. It has
been configured at the factory to run on NG. If your installation
requires to run on LPG, you need to exchange the Master Mixer
Assembly (carburetor system). This Master Mixer Assembly is
included for LPG conversion.
1. Remove breather tube (1) by loosening breather tube clamp
(2).
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2. Remove fuel inlet chamber screws (3). Remove Master Mixer
Assembly (4) along with the gasket (5).
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3. Install Master Mixer Assembly (4) with the green dot (this
indicates LPG (6) ) to mixer body. Make sure the gasket (5) is
installed on the fuel inlet chamber side. Tighten Master Mixer
Assembly screws (3). Screw Tightening Torque: 26.0 lb.-in
(2.94Nm).
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4. Connect breather tube (1) to breather port and put clamp (2)
on breather tube.
6. fULL fUEL SHUT Off
A minimum of one accessible, approved manual full fuel shutoff
valve shall be installed in the fuel supply line of the HSB. A manual
full fuel shut off valve should be installed inside the building, for
those locations with inside gas meters. The full flow shut off valve
should be installed in accordance with all applicable codes and
standards.
7. SEDIMENT TRAP
A sediment trap should be installed into the fuel supply line
pipe when using either NG or LPG to drain any condensation.
Always make sure the HSB is completely in the OFF position and
the full flow fuel shut off valve is closed before removing the
sediment trap for drainage. Use a pipe sealant or joint compound
approved for use with LPG/NG on all threaded fittings to reduce
the possibility of leakage. Install a sediment trap (1) downstream
of the HSB shut-off valve as close to the inlet as possible in
accordance with local codes.
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INSTALLATION