Sears 300 - Manual (Page 8)

10. Make sure that there are two 3/4” Flange
Bushings (18) in the indicated side of the
Butterfly Arm Frame (42).
Tap two 1 3/4” X 1 3/4” Inner Caps (24) into the
left Butterfly Arm (30) as shown.
Slide an Adjustment Bracket (32) onto the axle on
one of the Butterfly Arms (30). Turn the
Adjustment Bracket so the small hole is on the
side shown.
Make sure that there is a 3/4”
Flange Bushing (18) in the Adjustment
Bracket, and that the flange of the Bushing is
on top.
Apply lubricant to the axle on the Butterfly
Arm. Insert the axle into the indicated hole in
Butterfly Arm Frame (42). Tap two 3/4” Retainers
(17) and a 3/4” Retainer Cap (19) onto the end of
the axle.
Note: The teeth on the Retainers
must bend toward the Retainer Cap.
Assemble the other Butterfly Arm (30) and
Adjustment Bracket (32) in the same manner.
11. Attach the bent end of a Link Arm (33) to the
small hole in one of the Adjustment Brackets (32)
with a 3/8”
X 1” Bolt (6), a 3/8” Plastic Washer
(34), and a 3/8” Nylon Locknut (27) as shown.
Attach the other end of the Link Arm (33) to the
Pivot Arm Tube (92) with a 1/4” x 1 1/4” Bolt (93)
and a 1/4” Nylon Locknut (68).
Attach the other Link Arm (not shown) in the
same Manner.
12. Wet the lower ends of both Butterfly Arms (30)
and the insides of the two 9 1/2" Foam Pads (29)
with soapy water. Slide a 9 1/2” Foam Pad onto
each Butterfly Arm.
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