Issued June 2020
Compressed Natural Gas (CNG) Option
Copyright 2020, Heil Environmental
Printed in U.S.A.
206
IMPORTANT SAFETY INFORMATION
For CNG units, this manual should be used in conjunction with any associated CNG Fuel System and Cylinder
Manufacturers' Operation, Inspection and Maintenance Manuals. Always read and understand all associated manuals
alongside the Heil Operation Manual and Heil Parts and Service Manual before operating or servicing the unit. CNG
training is required for any person inspecting, operating, or performing maintenance on a CNG unit. When replacing CNG
components, replace with equal or higher pressure rated components.
Read, understand and follow the instructions within this document before operating, servicing or adjusting referenced
equipment. Anyone using or maintaining this equipment must be familiar with the product and fully trained to operate and
maintain the unit. Improper usage or maintenance of this equipment may result in injury or death.
Always keep a copy of this manual readily available for persons who operate the equipment or perform maintenance
procedures. Safe working procedures must be followed at all times. Lock-Out/Tag-Out procedures must be followed
when performing applicable procedures.
A vehicle equipped with a compressed natural gas fuel system will have a blue reflective decal on the rear of the vehicle
identifying Compressed Natural Gas (CNG). See the image below.
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