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c. Remove a gasket (A) from the hardware kit. Align the upright support
with the mounting holes in the base. Place the gasket between the
upright support mount and base.
Diagram 4
Attach frame to base.
Front crossbar
Bolt (B)
Upright support
Base
Weld
Gasket (A)
Washer (C)
CAUTION: To avoid injury and
ensure the integrity of the
unit, do not drop the stair arm
onto the rear crossbar.
d. Take two frame-to-base bolts (B) from the hardware kit and place a
washer (C) on each. Insert the bolts through the upright support
mount, gasket, and base. Make sure that the front mount is adjacent
to the crossbar weld, but not on top of the weld. See Diagram 4.
Attach a lock nut (D) to the opposite end of each bolt. Hold the lock
nut with the socket wrench (H) while you firmly tighten the bolts with
the other wrench (H) provided.
Important: Perform the following step on one stair arm at a time.
e. Hold onto the stair arm’s footpad with one hand while you use
scissors (in the other hand) to cut the plastic wire tie that secures the
stair arm to the upright support. Carefully lower the stair arm onto the
rear crossbar. Perform the same step for the other stair arm.
Note: If the upright support is mounted properly, the footpads on the
stair arms rest on the
rear
crossbar.