Question
I
ask you kindly to explain what should I do on the treadmill that
presents this little problem:
-
the belt slowly moved all in the left part (seen from above) and is
therefore no longer "centered"; what adjustments should I
take, should I adjust on the front or on the rear roller?
Answer
The
front roller must be perfectly aligned and should never be touched
for adjustments.
To
adjust the belt, you can use only one of the nuts on the rear roller,
turning it clockwise or counterclockwise depending on the effect it
seeks (if you remove the two endcaps, it will be easier for you to
see what happens).
When
adjusting the treadmill should be going at around 2/3 km / h unloaded
(nobody on the belt) and you can start by turning the nut (1 full
turn / if no effect repeat with max another turn), so that the belt
returns in the central direction. Once the center is reached, the
belt will tend to "go to the other side", so you should
turn maybe 1/4 or 1/2 turn in the opposite direction to the initial
adjustment to settle.
If
it seems good now, you can gradually increase the speed, checking
that at higher speeds your belt do not tend to move (in which case
you repeat the operation again, with ever smaller and more accurate
adjustments) until you reach the max speed.
Notes
1)
If at first it is very "off-centered" you can initially
push it manually (pointing your feet when the belt is turning at low
speed) to make it go a bit in the middle. This is to prevent the belt
from ending up on the rim of the footrest and ruining, crawling on.
2)
If you need to adjust very frequently, check the leveling of the feet
and the floor itself. Also check if the running belt is not
under-tightened (avoiding, however, to over-tighten). If even tapered
and well tensioned, the belt tends to move around, check your own way
of walking / running because probably you don’t run in the middle,
or you push with one foot more than the other and this can be a good
opportunity to fix a little for a better training.
----------
Running belt tension instructions (if necessary) -------------
You
can self-test and adjust the correct belt tension. Turn both
adjustment knob to release tension from the running belt until it
slips on the roller when loaded. Then tighten it slowly up to the
best coupling. Be careful that if the running belt is old (> 4
years old) and very tighten, it is better to replace it with a new
low friction belt.
To
set the correct tension of the belt, remove the motor cover, start
the treadmill (should rotate at low speed), climb onto the belt, hold
the handrails and try to lock the belt.
Check
whether the engine continues to rotate but the belt stays it means
something is slipping (the belt, the drive belt or the pulley).
Tighten
the belt and until the belt - roller – drive belt - motor coupling
is perfect, do not over tension, because it only adds load to the
treadmill, resulting in early wear on the transmission system and
board / engine parts. http://www.partsfortreadmill.com/
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