HEIL PT 1000, Operation Manual

Page: 181 / 202

Issued September 2017
Compressed Natural Gas (CNG) Option Copyright 2017, Heil Environmental
Printed in U.S.A.
173
CNG SYSTEM MAINTENANCE
Routine maintenance of the compressed natural gas system in accordance with the Table 1. Inspection/Preventive Care
Schedule (next page) will ensure that the system and components are functioning properly. See the Compressed
Natural Gas (CNG) section of your Service Manual for additional maintenance information.
WARNING
System components must not be under pressure during servicing. Servicing components under pressure may cause
serious injury.
WARNING
Never weld on any part of a compressed natural gas vehicle unless the compressed natural gas fuel system has been
purged with inert gas.
WARNING
Make sure the unit is in the Lock-Out/Tag-Out mode when you do maintenance or service procedures, or when you go in
the hopper, climb in or on the body or on equipment. The unit can be operated intentionally or accidentally when the unit is
not in the Lock-Out/Tag-Out mode which can cause serious injury or death to anyone in the hopper, in or on the body or
on equipment.
CAUTION
Maintenance of a compressed natural gas system is to be performed ONLY by authorized service personnel.
Unauthorized maintenance can result in personal injury and/or extensive damage to the unit.