ALWAYS TURN OFF THE FITNESS MACHINE AND
UNPLUG THE POWER CORD FROM THE WALL OUTLET
BEFORE REMOVING OR INSTALLING PARTS TO
AVOID THE RISK OF ELECTROCUTION, SHOCK OR
MECHANICAL INJURY.
7 ! 2 . ) . '
! 4 4 % . 4 ) / .
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)--%$)!4%!#4)/.2%15)2%$
# ! 5 4 ) / .
Nautilus
®
T
7
Series and
T
912
Treadmill Service Bulletin
This Service Bulletin is issued due to the walking belt on the Nautilus
®
T7 Series Treadmills and
the T912 Treadmill jerking at low miles per hour (mph) workouts.
7 ! 2 . ) . '
! 4 4 % . 4 ) / .
$ ! . ' % 2
)--%$)!4%!#4)/.2%15)2%$
# ! 5 4 ) / .
P/N: 001-7193 (9/28/07)
Nautilus
®
T7 Series & T912 Treadmill Service Bulletin
©2007. Nautilus, Inc. All rights reserved. Nautilus and the Nautilus Logo are either registered trademarks or trademarks of Nautilus, Inc.
R
emoving
the
m
otoR
C
oveR
Step 1-1:
Unscrew two screws located at the bottom of the
right and left Upright weldment (Figure 1). This
makes removal of the Motor cover easier.
Step 1-2:
Remove the (2) attaching Motor cover screws
and carefully slide the cover outward and up.
(Figure 2).
A
djusting
t
he
“iR ComP” P
otentiometeR
Step 2-1:
Locate the "
IR Comp Pot 3
" potentiometer just to
the right of the Transformer "
TR1
" (Figure 3).
Step 2-2:
Place a flat head precision screwdriver into the
center of the potentiometer and slightly turn
counter-clockwise (Figure 4).
Step 2-3:
Step up onto the Treadmill and press "
Quick
Start
" to start the Walking belt moving.
Parts affected:
• MOTOR CONTROLLER, DC
SM41093
• MOTOR CONTROLLER, DC 180V
SM41338
• MOTOR CONTROLLER, AC 115V
SM41094
• MOTOR CONTROLLER, AC 230 VAC
SM41313
Tools Needed:
• PHILLIPS SCREWDRIVER
• PRECISION FLATHEAD SCREWDRIVER
• CORDLESS DRILL WITH PHILLIPS BIT
Figure 1
Figure 2
