Page 28 - Penske_Student Guide Book

Slide Topic
Service on Any of These
Components is Prohibited in an
Unmodified Minor Repair
Facility
Other Prohibited Practices in
Unmodified Maintenance
Facilities
Procedures to be used when
servicing CNG vehicles inside an maintenance facility
unmodified CNG maintenance  Step 2: Prepare the CNG
facility
Step 1: Prepare the
Maintenance Facility
Content Notes
 Fuel receptacle
 Secondary check valve
 Defuel valve and receptacle
 Fuel lines and fittings
 Cylinder valve(s)
 Cylinder(s)
 PRD(s) and vent line(s)
 Manual quarter-turn shut-off
valve
 High and low pressure
coalescing filters
 Mechanical pressure gauge
 Shut-off solenoid valve
 Pressure regulator
 No LNG vehicles
 No hot work or welding
 No work that would require
a CNG vehicle to remain in
the facility outside normal
business hours
 Clutch work
 Swing components
 Others
 Step 1: Prepare the
vehicle
 Step 3: Perform allowable
service or repairs
 Step 4: Restore the CNG fuel
system and remove the
vehicle
1.1 Welding or hot work
 Unplug all welding
equipment
 Disengage all cutting
torches and grinders
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