Walking Belt Tracking - Cardiac Science ST 55 Service Manual

Turn both tension adjustment screws clockwise until most of the slack is removed
1.
from the belt.
Note: Do not stretch the walking belt at this point.
Place two pieces of masking tape or two light pencil marks on the right edge of the
2.
belt exactly 50.000 inches apart.
Repeat step 2 on the left edge of the belt.
3.
Alternately turn the left and right adjustment screws one-half turn until the distance
4.
between the tape or pencil marks is 50 13/64 inches ±1/64 on both sides.
Caution. Damage to walking belt.
Do not overtighten the adjustment screws. Overtightening may damage the walking belt
and roller assemblies.
Remove the tape.
5.
Adjust the walking belt tracking.
6.

Walking Belt Tracking

Perform this procedure:
◆
Whenever the belt moves to one side
◆
After installing a new walking belt.
◆
Each time you adjust the walking belt tension.
WARNING! Falling hazard.
Do not stand on the belt when adjusting the tracking. Do not start the treadmill when
someone is on the walking belt.
Start the treadmill and let it run for at least one minute at minimum speed and grade.
1.
Make the following adjustment to the right adjustment screw only:
2.
If the belt moves to the right, turn the screw ¼ turn clockwise.
a.
If the belt moves to the left, turn the screw ¼ turn counterclockwise.
b.
Run the treadmill for at least one minute to observe the tracking. Adjustments to belt
3.
tracking take some time to become apparent.
Repeat steps 2 and 3 as required.
4.
Caution: Damage to walking belt.
Do not overtighten the adjustment screw. Overtightening can damage the walking belt and
assemblies.
Increase the speed to 8 mph, then repeat steps 2 and 3 as required.
5.
TM 55/65 Treadmill 4.0
Adjusting the Walking Belt
70-00298-01 A 5-33