Draining the CNG Fuel Block Housing
wv mm 47.04.000
Warning: Compressed natural gas is highly
flammable. See the safety precautions listed, see CNG General Information of the Walk-In
Van Chassis Operator's Manual or of the Walk-In
Van Chassis Workshop Manual, or take the vehicle to an authorized
Freightliner dealer. Failure to observe these precautions could lead
to the ignition of the natural gas, which could cause severe bodily
harm, or death, or property damage.
Shut off the fuel supply at the fuel tanks. Vent the system.
Remove the drain nut at the bottom of the engine internal fuel filter, which is mounted on the left-hand side of the engine.
Perform this maintenance procedure as indicated in the maintenance interval chart in this manual.
See the engine manufacturer's operation and maintenance manual for further information.
Note: