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STEP 3 (See Diagram 3)
A.) Align the bracket on the Backrest Adjustment Support (#8) in between the two Backrest
Supports (#3). Secure it with four M8 x 1 5/8” Allen Bolts (#34), eight Ø 5/8” Washers (#30),
and four M8 Aircraft Nuts (#32). Do not tighten the Nuts and Bolts yet.
B.) Insert the Backrest Adjustment Support into the opening on the Main Seat Support (#1).
Press or step down on the Backrest Adjustment Lever (#9) to allow the Support to go
through.
C.) Attach the bottom side-holes on the two Backrest Supports to the pivot on the Main Seat
Support. Secure it with one M10 x 6 ½” Allen Bolt (#39), two Ø ¾” Washers (#31), and one
M10 Aircraft Nut (#33).
D.) Securely tighten all Nuts and Bolts in B & C.
E.) Do not over tighten the Nut and Bolt in C.
F.) Make sure the Backrest Supports are able to swivel.
DIAGRAM 3
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