30MAINTENANCE
11.Pull manifold assembly out from the manifold frame.
D4 
12.Lift and twist the burner assembly slightly, to separate the Crossover® tube (a) from the burners (b).
BB
A
D6 
13. Remove the Crossover® tube.
14. Pull the selected burner(s) tube(s) from manifold frame and replace with a new burner tube.
