Dover HEIL Half/Pack Factor AFL - Maintenance

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
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MAINTENANCE
Routine maintenance of the compressed natural gas system in accordance with the Table 1. Inspection/Preventive Care
Schedule (below) will ensure that the system and components are functioning properly.
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.
Table 1. Inspection/Preventive Care Schedule
ITEM
FREQUENCY
Storage System:
Leak Test with Methane Detector*
Every month
Component Inspection*
Every month
Drain Filter
Every 10,000 miles
Replace Filter Element
Every 40,000 miles
Drain Vent Lines
Every month (or immediately if blue vent cap is missing)
Cylinders*
Inspect compressed gas cylinders as outlined by cylinder manufacturer
* To be completed by a qualified and trained person.
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