FIGURE 8. STARTING AND STOPPING CYCLE
GAS-GASOLINE
CONVERSION
Engines having a combination gas-gasoline car-
buretor can be switched to gasoline operation by the
following procedure:
1.
Close the manual fuel shut-off valve in supply line
(the main fuel adjustment valve is not designed to
use as a shut-off valve) for gaseous
fuel.
Set will
not operate smoothly with both fuel supply lines
turned on at the same time.
2.
Open the gasoline fuel shut-off valve.
3. Set the spark plug gap as given in the Specification
Section.
4.
See that the choke is free and works easily. Be
sure to release choke lock on sets with electric
choke.
5. Start the engine in the manner described. If the
engine runs unevenly under half or full
load,
due
to faulty carburetor adjustment, the main jet
needs adjusting.
To change back to gaseous
fuel,
reverse the above
procedure and reset the spark plug gap as given in the
Specification Section. Use all gasoline from the car-
buretor to avoid stale
fuel.
If engine is run with one of
the fuel supply lines disconnected, plug other inlet to
prevent drawing air and dirt.
10
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