freightliner 108SD, Driver Manual

Page: 171 / 192

2.7 Close the bleed valve on the manifold and
open the manual fuel shutoff valve on the
fuel panel.
Open the fuel cylinder shutoff valves.
2.8 Use a methane detector to leak test all
fuel system components between the fuel
cylinders and the solenoid valve. A bubble
solution can be used to pinpoint the exact
location of leaks.
Repair or replace any leaking compo-
nents.
2.9 Install the access cover on the fuel panel.
05/04/2010 f470558
6
7
8
9
10
11
12
13
14
1
2
3
4
5
1. Coolant Inlet Port
2. Coolant Outlet Port
3. Pressure Relief Valve
4. Pressure Regulator
5. Wiring Harness
6. Manifold Bleed Valve
7. Manifold
8. Manual Fuel Shutoff
Valve
9. Fuel Fill Port
10. Filter Housing
11. Filter Bowl
12. Filter Drain Plug
13. Solenoid Valve
14. Fuel Line To Cylinders
Fig. 21.17, CNG Fuel Panel Components
Pre- and Post-Trip Inspections and Maintenance
21.15