C 2500 Truck 2WD V8-5.7L VIN R (1997)
5.5.
Disconnect the fuel outlet line.
5.6.
Leave the relief port open.
6.
Connect the vent hose (1) to the fuel outlet fitting and to the vent stack.
Caution:
When venting the Compressed Natural Gas (CNG) fuel tank, take the following precautions in order to prevent fire and personal injury:
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Use the proper grounding procedure to an earth ground in order to prevent a build-up of static electricity which can lead to an electrical
discharge.
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Use the J 42435 CNG Tank Vent Kit with a vent stack.
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Vent the CNG fuel tank in a well ventilated work area.
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Keep sparks, flames, and smoking material away from the area.
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Wear the appropriate hearing protection during the venting procedure. A sudden pressure loss from an uncontrolled gas leak may cause hearing
damage.
7.
Connect the ground strap (2) (attached to the vent hose) to the HPL and the vent stack (earth) ground.
8.
Remove the manual shut-off fitting from the HPL.
