Half/Pack
®
Issued April 2018
Compressed Natural Gas (CNG) Option
Copyright 2018, Heil Environmental
Printed in the U.S.A.
Compressed Natural Gas (CNG) Option
176
IMPORTANT SAFETY INFORMATION
For CNG units, this Service Manual should be used in conjunction with any associated CNG System Manufacturer's
Operation 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.
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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