Issued June 2020
Compressed Natural Gas (CNG) Option
Copyright 2020, Heil Environmental
Printed in U.S.A.
230
DAILY CNr
Inspect the following items each day before vehicle
operation. If all items pass inspection, the vehicle is cleared
for operation. If any issues are identified, a qualified CNG
System Technician should make the necessary repairs.
1. Check all CNrG Tailgate guards and covers for
damage.
2. Remove the Oblong Access Covers fastened with
Thumbscrews.
Figure 63. Tailgate Access Covers
3. Thoroughly pressure wash inside (refuse side) of
tailgate and inspect for any dents over 1/4” in depth,
or punctures.
4. Make sure cylinders mounts are secure. Check
mounts and all fasteners.
Figure 64. Inside Tailgate Surface
4. Verify cylinder labels are in place and for each
cylinder, make sure cylinder service life has not
expired.
5. Inspect cylinder valves and PRDs for leaks and
damage.
6. Inspect all plumbing tubes, hoses and fuel flow
components for leaks. A CNG Gas Leak Detector is
recommended.
7. Examine all cylinders for damage using the cylinder
manufacturer’s guidelines. Inspection records should
be kept with vehicle records, and the system label
should be updated to reflect the current inspection
status.
8. Check condition of tailgate to body hose connection
and guards.
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