Nautilus T618 Service Manual page 39

17. Using a 13mm wrench and a 6mm hex wrench, remove the indicated
hardware (with arrow) from the Lift Shock and gently lower the Base
Frame Weldment.
Be aware that when the Lift Shock is released from the Base
Frame Weldment, the Weldment may abruptly move and pivot
downward. Be sure to keep clear of any potential pinch
opportunities from this motion.
18. Using a 13mm wrench and a 6mm hex wrench, remove the 2 screws
(one shown here with oval) from the Deck Frame and the Base Frame
Weldment. Remove the old Base Frame Weldment.
19. Using a 13mm wrench and a 6mm hex wrench, attach the new Base
Frame Weldment to the Deck Frame.
20. Using a 13mm wrench and a 6mm hex wrench, re-attach the Lift
Shock to the Base Frame Weldment.
Be sure to keep clear of any potential pinch opportunities
when pivoting the Base Frame Weldment.
21. Tilt the Base Assembly back to the Upright position using a second
person, if necessary.
Be sure the area is clear around the Base Assembly before
tilting it. Do not grasp the Walking Belt since it can abruptly
move.
The Base Assembly may be moved by one or more persons
depending on their physical abilities and capacities. Make sure
that you and others are all physically fit and able to move the
Base Assembly safely.
Base Frame Weldment
39
Lift Shock