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Shown with outer firewall lower section removed If the outer firewall lower section is not removed, it is necessary to prepare the mating surfaces in addition.
1 Grind joint on mating surfaces down to bare metal in areas A and B
2 Grind mating surfaces down to bare metal on both sides in area C.
P63.40-2638-06
3 Grind mating surfaces down to bare metal on both sides in area D to G.