User's Manual

23
Nautilus® Sport Series Treadmill Service Manual
MECHANICAL SERVICE GUIDE
6-7 Remove the front and rear roller following the
instructions for Replacement of Crowned Front
Roller (Section One) and Replacement of Crowned
Rear Roller (Section Three).
6-8 Place the treadmill on its right side (motor side
towards the floor).
6-9 Remove (8) nuts (tall isolators) on the underside of
the walking board (see Figure 4 and 5).
NOTE: Do Not remove the (4) short isolators from
the frame.
6-10 Remove the (8) screws holding the side rails on
from the under side of the board. Remove the
side rails (see Figure 6). Also remove the belt
guides.
6-11 Install the new board to the side rails and
isolators. Slide the walking belt over the walking
board before installing the walking board to the
frame. Re-attach the walking board to the frame
using the (8) bolts and isolators removed in Steps
6-9 and 6-10.
6-12 Check the remaining nuts and isolators and
tighten.
6-13 Attach the front and rear rollers following
the instructions for Replacement of Crowned
Front Roller (Section One) and Replacement of
Crowned Rear Roller (Section Three).
6-14 Place the drive belt over the motor pulley and the
drive pulley. Tighten the nut on the motor tension
bolt until the spring is nearly closed and tighten
the 4 bolts on the motor base.
6-15 Check for proper belt tension following the
Walking Belt Tension Adjustment and Tracking
Adjustment in Appendix 3.
6-16 Replace the motor cover and side plastic covers.
Figure 4:
Figure 5:
Figure 6: