Weber 43721 Owner's Manual page 35

Check:
1) Quick disconnect hose to grill connection
2) Side burner hose to manifold connection
3) Side burner hose to side burner connection
4) Hose to quick disconnect connection (gas supply)
5) Valve to manifold connection
WARNING: If there is a leak at
connections(1),(2),(3),(4) or (5) turn OFF the gas. DO
NOT OPERATE THE GRILL. Contact the Customer
Service Representative in your region using the
contact information sheet provided with your manual.
When leak checks are complete, turn gas supply OFF at
the source and rinse connections with water.
6) Gas line to manifold connections.
(5)
Gas Instructions
(1)
(6)
(4)
WARNING: If there is a leak at connection (6),
retighten the fitting with a wrench and recheck for
leaks with soap and water solution.
If a leak persists after retightening the fitting, turn OFF
the gas. DO NOT OPERATE THE GRILL. Contact the
Customer Service Representative in your region using
the contact information sheet provided with your
manual.
(2)
(3)
C-5
(1)
(5)
(6)
(2)
(3)
(4)