Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
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While holding the fitting to keep it from turning, tighten the fitting to the calculated torque specification to achieve 42 Nm (31 lb-ft). See
Figures 7 and 8.
6.
Install the new fitting on the forward aft-axle tank as follows:
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Turn the locknut until it is flush with the body of the fitting.
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Thread the fitting completely onto the tank valve. DO NOT TIGHTEN the fitting at this time.
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Orient the fitting so it is approximately perpendicular to the floor and pointing upward.
NOTE
Return to Procedure E - Fuel Line Replacement, or proceed to Step 7 if only the fittings were replaced to reconnect the fuel lines and complete
this service.