Page 29 - Penske_Student Guide Book

Slide Topic Content Notes
Step 1: Prepare the
Maintenance Facility 1.2. Major repairs on non-CNG
vehicles
Step 2: Prepare the CNG  Notify the shop supervisor
Vehicle  Cease major repair
activity on non-CNG
vehicles unless the CNG
repair work is conducted
in an isolated repair bay.
 Single continuous
wall separating the
bay from the major
repair area
 Keep man doors closed
until CNG vehicle is
removed from facility

1.3. Heaters
 Turn off and unplug all
space heaters, including
torpedo heaters
 Turn all open-flame and
high-intensity heaters off
by switch and breaker

2.1. Position the vehicle directly
in front of the repair bay that
you will utilize

2.2. Inspect the CNG fuel system
for damage or leaks
 Walk around the vehicle
using sight, sound and
smell sensing for damage
or leaks
 Visible signs (bent or
damaged
components)
 Audible signs (a light
hissing sound)
 Smell (a light odor of
rotten eggs)
 Use handheld methane
detector to perform leak
check on valves, PRDs and
related plumbing

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