Pro-Form 520 Trainer Treadmill User Manual page 11

10. Lower the Uprights (31, 36).
See the inset drawing. Position the Uprights
(31, 36) so that the treadmill Frame (74) is cen-
tered between the Uprights.
See steps 2, 3, 5, and 6. Firmly tighten the
Upright Bolts (27) and the Frame Bolt (32) on
each side of the treadmill. Do not overtighten
the Frame Bolts.
11. Raise the Uprights (31, 36).
Rotate the Left and Right Base Covers (90, 91)
180°. Slide the Base Covers over the Base (48).
If necessary, pull out on the sides of the Base
Covers to fit them over the Wheel Bolts (14).
10
Side View
View from Above
31
11
31, 36
90, 91
11
32
31, 36
74
74
14
48
27
36