Pro-Form 520 Trainer Treadmill User Manual page 12

12. Attach the ground wire on the Upright Wire (28)
to the indicated hole in the Base (48) with a
Silver Ground Screw (11).
Then, press the indicated grommet into the Right
Upright (36).
Attach the Right Base Cover (91) to the Base
(48) with two 3/4" Screws (2). Attach the Left
Base Cover (not shown) in the same way.
Raise the Uprights (31, 36) to a vertical position.
13. Press the Latch Sleeve (30) into the Left Upright
(31).
Remove the knob from the pin. Make sure that
the collar and the spring are on the pin. Insert
the pin into the Latch Sleeve (30) and the Left
Upright (31). Press the Latch Insert (89) into the
other side of the Left Upright, and then tighten
the knob back onto the pin.
Remove the plastic packaging from the bottom of
the Belly Pan (not shown).
14. Make sure that all parts are properly tightened before you use the treadmill. Note: Extra hardware may
be included. Keep the included hex keys in a secure place; the large hex key is used to adjust the walking
belt (see page 24). To protect the floor or carpet, place a mat under the treadmill.
12
2
48
Hole
Ground
Wire
2
13
89
Knob
12
Grommet
28
36
11
91
31
30
Spring
Collar
Pin