Pro-Form C840 User Manual page 12

23. Slide the Barbell Adapter (59) onto the Weight
Bar (55). Thread a 1/4" x 9.5mm Allen Head Set
Screw (120) into the Barbell Adapter. Do not
tighten the Screw yet.
Repeat this step with the other Barbell
Adapter (not shown).
24. Attach the Center Upright (37) to the Center Base
(32) and Rear Base (33) with an M10 x 78mm
Bolt (110), an M10 Washer (99), and an M10
Nylon Locknut (97). Do not tighten the Locknut
yet.
Attach the Center Upright (37) to the Center Base
(32) with an M10 x 75mm Bolt (127), two M10
Washers (99), and an M10 Nylon Locknut (97).
Do not tighten the Locknut yet.
Attach a Weight Carriage Stop (70) to the Rear
Upright (38), at the indicated hole, with an M10 x
88mm Bolt (114) and an M10 Nylon Locknut (97).
Make sure the Square Carriage Bushing (61)
is on top.
Attach the Rear Upright (38), with the hexagonal
holes on the indicated side, to the Rear Base (33)
with two M10 x 75mm Bolts (127), four M10
Washers (99), and two M10 Nylon Locknuts (97).
Do not tighten the Locknuts yet.
23
24
37
97
99
97
32
12
55
59
120
Hexagonal
Holes
38
Hole
99
97
99
97
61
70
99
127
33
110
127
114