8 NAUTILUS INSTINCT LEG PRESS / CALF RAISE OWNERāS MANUAL
3. Install the Seat Frame
NOTE: Two people are required to install the
seat frame; one to hold the seat frame in position,
and one to install the seat frame guide posts.
Remove four screws (61), four end caps (23)
and two washers (39) from two seat frame
guide posts (14).
Slide one seat frame guide post (14) into each
seat post support at the rear of the main
frame (2) until the front end of each guide
post is positioned approximately midway
between the rear and front seat post supports.
Align the seat frame (4) with the seat frame
guide posts (14) and slide the seat frame onto
the guide posts.
Slide each seat frame guide post (14) into the
seat post support at the front of the main
frame (2). Install one retaining ring (39) into
each rear seat post support on the main
frame.
Secure each seat frame guide post (14) to the
main frame (2) using two screws (61) and cup
washers (23).
4. Assemble the Weight Stack
NOTE: Two people are required to assemble the
weight stack; one to hold the weight stack guide
posts in position, and one to assemble the weight
stack components onto the posts.
Slide one weight stack support (29) onto each
weight stack guide post (36).
Insert the weight stack guide posts (36) into the
retaining holes in the base of the weight stack
frame (1). BE SURE the drilled ends of the
weight stack guide posts face upwards, toward
the top of the weight stack frame.
WARNING: TO PREVENT INJURY, IN-
STALL THE WEIGHTS ONE AT A TIME.
Install 15 weights (32) on the weight stack guide
posts (36), one at a time.
Slide the looped end of the lanyard on the
selector pin (35) onto the shaft of the top plate
(16).
NOTE: BE SURE to hold the lanyard in place
when installing the top plate.
Install the top plate (16) on the weight stack
guide posts (36), inserting the top plate shaft
through the holes in the weights. Insert the
selector pin (35) through one weight until it engages the top plate shaft.
Install one rubber cap (34) onto each weight stack guide post (36).
Lift up on one weight stack guide post (36) until the rubber cap (34) contacts the underside of the weight stack frame
cross member. Secure the post to the weight stack with one screw (58) and one washer (70). Repeat for the remaining
guide post.