Adjusting The Belt Tension; Aligning The Walking Belt - Nautilus T618 Service Manual

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Adjusting the Belt Tension

If the walking belt starts to slip during use, it is necessary to adjust the tension. Your treadmill has tension bolts at the rear
of the treadmill.
1.
Make sure that the walking belt is stopped and the power switch is turned Off.
Be sure not to touch the moving walking belt or step on the power cord. Keep bystanders and children away
from the product you are servicing at all times.
2.
Use a 6 mm hex key to turn the right and left belt adjustment bolts clockwise a 1/2 turn, first one bolt and then the
other bolt.
3.
After you adjust each side the 1/2 turn, start the belt and do a test to see if the belt stopped slipping. If the belt still
slips, return to step 1 and repeat the procedure.
If you turn one side more than the other, the belt will move away from that side of the treadmill and may need realignment.
NOTICE: Too much tension on the belt causes unnecessary friction and wears the belt, motor and electronics.
4.
Push PAUSE/STOP twice to stop the walking belt and end the Quick Start workout.

Aligning the Walking Belt

The walking belt should be centered on your treadmill at all times. Running style and a non-level surface can cause the
belt to move off center. Minor adjustments to the 2 bolts at the rear of the treadmill are necessary when the belt is off
center.
The edges of the Walking Belt should be under the Side Foot Support Rails. If an edge of the Walking Belt
can be viewed, be sure to adjust the Walking Belt until the edges are not visible and are below the Side Foot
Support Rails.
1.
Push the START button to start the walking belt.
Be sure not to touch the moving walking belt or step on the power cord. Keep bystanders and children away
from the product you are servicing at all times.
2.
Stand at the rear of the treadmill to see which direction the belt moves.
3.
If the belt moves to the left, turn the left belt adjustment bolt 1/4 turn clockwise and the right belt adjustment bolt 1/4
turn counterclockwise.
6mm
11
6mm

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