Product Manual A

4. Installation 7-2018
30 A051X873 (Issue 10)Copyright © 2018 Cummins Inc.
NOTICE
Iron pipe must be a minimum of schedule 40 subject to the authority
having jurisdiction.
Cummins flexible fuel line (attached to the radiator guard) to protect the fuel
system from vibration, expansion, and contraction
Manual shutoff valve
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 (Attached to
Radiator Guard)
4 Service Regulator
FIGURE 4. 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.
Use the total load requirement of the generator set to determine the size of
the fuel supply pipe. Use the tables and charts in the Fuel Line Selection
appendix to determine the correct pipe size.