Product Manual A

4. Installation7-2018

To calculate the minimum pipe size:

1. Make a list of all the fittings and valves in a proposed system and add their

equivalent lengths.

2. Add all lengths of straight pipe to arrive at a total equivalent length to the

fittings/valves total.

3. Choose the applicable table based on the fuel system and fuel line material.

4. Obtain the maximum fuel requirements for the specific generator set from the

Model Specifications section.

5. Refer to the fuel line sizing charts in the Fuel Line Selection appendix. Locate

the equivalent length of pipe (or next larger equivalent length) in the left hand

column. Move across the row to where the maximum capacity number is as

large or larger than the maximum fuel consumption (or next larger). At the top

of that column is the minimum nominal pipe size or tubing size required for the

system as designed.

Installing Fuel Lines

The basic components required for fuel line installation are as follows:

• Flexible fuel line (attached to the radiator guard)

• Fuel line

• Shutoff valve

• Fuel supply

To install the fuel lines:

1. Connect a flexible fuel line to the fuel connection ports on the generator set.

2. Connect the opposite end of the flexible fuel line to the fuel source line near the

shutoff valve.

NOTICE

A shutoff valve is recommended and often required by local and state codes.

Testing the Fuel System for Leaks

After assembly and before initial operation, all of the fuel system components must

be tested and proven free of any leaks.

WARNING

Fuel presents the hazard of explosion or fire which can result in severe

personal injury or death. Do not use an open flame to check for leaks. Do not

smoke or allow any flame, spark, pilot light, arc-producing equipment, switch

or other ignition sources around fuel or fuel components. Keep multi-type

ABC fire extinguishers close by.