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8
9. Attach two .34” Metal Spacers (97), a 2.3” Metal
Spacer (39), and two Bearing Wheels (46) to one
e
nd of the Seat Carriage (12) with a 5/16” x 4”
Bolt (60) and a 5/16” Nylon Jamnut (65) as
s
hown. M
ake sure the parts are oriented as
shown in the inset drawing; the Seat Knob
(not shown) will not engage the Bench Rail
(not shown) if they are incorrectly oriented.
Do not overtighten the Jamnut; the Bearing
Wheels must be able to roll easily.
Attach two Bearing Wheels (not shown) to the
other end of the Seat Carriage (12) in the
same manner.
10. Attach the Seat Knob (45) to the Seat Carriage
(12) with two #8-32 x 1/2” Machine Screws (92)
and two #8-32 Nylon Locknuts (69). Make sure
that the slot in the Knob is aligned with the
slot in the Seat Carriage, as shown.
Orient the Seat (13), the Seat Backing (9), and
the Seat Carriage (12) as shown. Attach the Seat
and the Seat Backing to the Seat Carriage with
four 1/4” x 3/4” Bolts (82).
9
11
13
9
12
82
82
45
Slots
92
92
69
1
2
60
Attach second
set of wheels
here
65
97
97
45
47
97
46
97
Adjustment Hole
12
13
5
19
19
39
46
46
Wide
Side
97
97
39
46
46
Wide
Side
97
97
39
46
46
39
10
11. Pull out the Seat Knob (45) as far as it will go, and
set the Seat Carriage (12) on the Bench Rail (5).
Loosely attach two .34” Metal Spacers (97), a 2.3”
Metal Spacer (39), and two Bearing Wheels (46)
to the center holes in the Seat Carriage (12) with
two 5/16” Hex Serrated Flange Nuts (19) and the
5/16” x 4.69”
All-thread Bolt (47).
Make sure the
parts are oriented as shown in the inset draw-
ing. Make sure that the serrated edge of the
Flange Nuts are against the Seat Carriage and
that three threads are extending past the Nut.
While a second person presses down on the Seat
(13), hold wheel assembly firmly against the bot-
tom of the Bench Rail (5) and properly tighten the
5/16” Hex Serrated Flange Nuts (19). Make sure
that the wide sides of all six Wheels (46) are
pressed against the Bench Rail. Do not over
-
tighten the Nuts; the Bearing Wheels must be
able to roll easily.
Engage the Seat Knob (45) into an adjustment
hole in the Bench Rail (5).