Install Manual

4. Installation2-2016
31A045R241 (Issue 7) Copyright © 2016 Cummins Inc.
Component Description
Fuel Pipe Size The length of the fuel supply pipe from the
gas service entrance to the generator set
must be known to determine the correct fuel
pipe size. Refer to the charts in the Fuel Line
Selection appendix.
Iron pipe must be a minimum of schedule 40
subject to the authority having jurisdiction.
Flexible Fuel Line Protects the fuel system from vibration,
expansion, and contraction.
WARNING
Fuel leaks can lead to explosive accumulations of gas. Prevent gas leaks
and the accumulation of gaseous fuel in the event of a leak.
No. Description No. Description
1 Shutoff Valve 3 Meter
2 Flexible Fuel Line 4 Service Regulator
FIGURE 6. TYPICAL NATURAL GAS INSTALLATION
Natural Gas Supply Line Size
The natural gas supply meter may need to be exchanged for a higher capacity
meter to supply the additional gas consumed by the generator set.