Page 25 - WM E-Learning Handbook

Slide Topic Content Notes
General Safety Practices
 Never bring a known leaking
Signs of a Leak vehicle into a maintenance
facility

 Leak check vehicles prior to
bringing into maintenance
facility

 Check the entire fuel system
from the CNG cylinders to
the engine for gas leaks

 Hearing a hissing sound
 Smelling the odor of natural

gas
 Observing ice formation

around a leak point

Natural Gas Leak Detection  Hand-held electronic gas
detector

 Leak detection solution

If You Detect a Leak  Leave the vehicle outside
 Shut off the cylinder valves
 Identify location of leak
 Depressurize that portion of

the system
 Repair the leak according to

manufacturer’s procedures

Technician Safety and Awareness Training for NGVs © 2018 NGVi All Rights Reserved Page 23