STEP 4
FIG4
(1) Fix the butterfly arm support (9) to the upper beam(4) by using 1 bolt(113), 2 flat
washers(106), 1 nylon nut (107) and 2 bushings(31).
(2) Insert axle for foot plate(60) into foot plate, and then assemble the foot plate to the
foot plate beam(10) by using 2 bolts(115), 2 flat washers(101).
10