Precautions while using CNG
Testing and Finding Leaks
Fittings and connections should be checked
periodically for leaks. This task must be carried
out by qualified personnel.
For monthly maintenance, the entire fuel
system can be leak tested with leak detection
solution, and or a methane detector. All joints
and connections should be tested.
Leaks usually occur at fitting connections. When
checking for leaks always use certified leak
detecting equipment and solutions designed for
use with stainless steel and brass such as
Snoop? or FBI?.
1. Apply a certified leak detecting solution and
look for bubbling or foaming.
2. Examine connections for icing or signs of
condensation around the tubing.
3. Check for signs of damaged or perforated