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HOMCOM A90-278 Assembly & Instruction Manual page 33

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STEP 7
Identify the Right Bolt (M12*110)
(70), and the Right nut (M12) (85),
apply grease to the Right bolt
(M12*110)
Attach the Right arm bracket (88) to
the right side of the crank with the
Right bolt (M12*110) (70), an Wave
washer (M13) (58), an washer (M13)
(69), and the Right nut (M12) (85).
Repeat this procedure to attach the
Left arm bracket with the Left bolt
(M12*110) and the left nut (M12).
STEP 8
Orient the Right upper arm (13) as
shown and slide it onto the Right
lower arm (11).
Attach the Right upper arm (13) with
two screws (M8*16) (74), two Split
washers (M8) (90), and two Curved
washers (M8) (65); start both
Screws and then tighten them.
Attach the Left upper arm (12) to the
Left Lower Arm (10) in the same
way.
33

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