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Fix 2 part #C4 on part #B1, part #B2 by screws 9# and
gaskets as shown in ③ ④.
Plastic Gaskets
Plastic Gaskets
Enclose with part #B1/B2, part #B3/B4, 2 part #B5 according to
the f igure above, and the part #B connects the four corners,
then f ixed with screws 12# and gaskets as shown in ① ②.
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