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200-2341 15
In cases where liquefied propane vapor is selected
as the fuel of choice, insure fuel delivery in the gaseous
state, with a minimum energy content of 2500 BTU/ft
3
,
at inlet pressures between 7" and 11" of water
column (4 - 6 oz). Fuel below these specifications may
cause improper engine operation and/or failure to deliver
rated generator output. Size all fuel system plumbing to
provide fuel flow as given in the Fuel Consumption
Table on page 13, at a minimum pressure of 7" water
column (4 oz).
After completing external supply connections, verify
proper positioning of the flexible engine supply hose on
the fuel pressure regulator output, as shown in Fig F.
The factory default position is for natural gas (NG),
requiring a change for liquefied propane vapor (LPG)
operation. If the fuel hose is not in the proper position,
move it to the tee branch labeled LPG, making sure the
brass cap is placed securely on the opposite branch.
With fuel supply attached and the flexible engine supply
hose on the proper branch of the regulator output, the
fuel hookup is complete. The generator is supplied with
a fixed orifice tuned to provide proper fuel flow and no
further adjustment of the fuel system is possible or
required.
Propane Vapor (LPG)
FIG. F