2B
MFD ASSEMBLY INSTRUCTIONS
CAM AND ARM ASSEMBLY
G.
Attach the four Flange Bearings to the Top Beam using 4 – ½” x 3 ¾” bolts, 8
– ½” flat washers, and 4 - ½” nuts. Do not fully tighten nuts.
H.
Attach the back support to the Main Upright using 2 – 3/8” x 2 ¾” bolts, 4 –
3/8” flat washers, and 2 - 3/8” nuts.
I.
Attach the Seat Support and Plate to the Main Upright using 2 - 3/8” x 3” bolts,
4 – 3/8” flat washers, and 2 – 3/8” nuts.
J.
Insert the R/H Pivot Arm into the R/H Cam and install the shaft of the Pivot
Arm through the two Flange Bearings using the shaft collar and 1 – ¼” x 1 ¾”
bolt and 1 ¼” nut.
K.
Insert the L/H Pivot Arm into the L/H Cam and install the shaft of the Pivot
Arm through the two Flange Bearings using the shaft collar and 1 – ¼” x 1 ¾”
bolt and 1 ¼” nut.
L.
Attach the Left Arm and Right Arm to the Pivot Arms (bumpers towards the
center) using the ¾” shafts and 4 – 3/8” x ¾” buttonhead screws and 4 – 3/8”
washers.
M.
Make sure the surfaces of the cams are parallel to the Top Beam and tighten
the ½” bolts holding the Flange Bearings. Tighten the setscrews in the Flange
Bearings.
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