Page 17 - WM E-Learning Handbook

Slide Topic Content Notes
High-Pressure Fuel Lines
 Carry high pressure CNG from
High-Pressure Fittings the receptacle to the high-
Cylinder Valve pressure side of the regulator

 Stainless steel or approved
flexible hose
 Can have both on the
same vehicle
 Depends on
manufacturer’s
specification

Agility Fuel Line Labeling
 Orange (WARNING) – low

pressure line
 Red (CAUTION) – Live PRD

lines (high-pressure)
 Blue (CAUTION) – PRD trigger

line (no pressure)
 Blue (NOTICE) – Vent line

(no pressure)
 Yellow (CAUTION) – Fuel lines

from cylinders to FMM (high
pressure)

 Connect sections of stainless
steel or flexible tubing to
each other

 Connect tubing to a fuel
system component

 Most common types:
 Double ferrule fitting
 O-ring face seal fitting

 Manual
 Electric
 Electro-Mechanical

Technician Safety and Awareness Training for NGVs © 2018 NGVi All Rights Reserved Page 15