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Tunturi J5F - Motor v-belt tension

What is the Motor V-Belt tension meant to be set at ? Just tighter than it slipping or with a certain amount of movement.

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Just tighter than slipping. Over tightening can brake the shaft since it's not usually a steel shaft.

Posted on Jun 07, 2010

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The way to tighten the motor belt is by lowering the motor relative to the sewing head. There is a threaded rod that comes down in front of the motor. Loosen the nut and lower the motor until the belt is a little tighter. Not too tight. You should still be able to pinch the belt a bit. I would check the belt for damage also.

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Tunturi t7 showing error 20 !


this means the treadmills power reading when the treadmill was operating at speeds of 1 miles per hour or less . Excessive amount of power is being demanded from the motor controller for an excessive period of time
Causes:treadmill user (especially a heavier user) is standing on the drive belt.
the drive belt too is badly worn.
brush motor faulty
SCR motor cotroller lekay or shorted drive motor or capacitor
IN short RUN the sotware calibration for diagnostic.
Remedies:Lube the deck belt, determine using AC ammeter for the amount of use the current being drawn by the readmill.Replace the drive motor brushes.or replce the motor controller board. see the block diagram
God bless you

10_12_2012_9_46_16_am.gif

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Healthrider 500sel



B) Walking Belt/Motor Belt too Tight:


If you have adjusted the walking belt or motor belt recently, check for this problem. When the belts start slipping, some people just crank

down the belts and on treadmills, tighter is not necessarily better. The tighter the belts, the more the drive system has to work to keep

everything moving. You should be able to lift the walking belt (with the treadmill unplugged) in the center of the treadmill about 3" without

straining. Tighter belts should be loosen but make sure you don't create a dangerous slipping situation by loosening.

The motor belt (with the treadmill unplugged) should be able to be turned by hand to almost a 90 degree angle from its normal operating

position. Loosen the belt if too tight. Make sure to test for slipping

and if it does with the proper tension, replace the motor belt.




http://www.youtube.com/watch?v=GPI6dFJCUA4


http://www.youtube.com/watch?v=-oeXTKqWECw&feature=related

http://www.youtube.com/watch?v=bF3OyQ3HwfU&feature=related

sincerely.

E. CUADRA






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1 Answer

LS1 appeared on the console,motor is not responding


Dear Sir:

Thank you by you request, I will try to help you inmediately.

The code LS, means Loss os Signal.

TreadBelt is not Moving. Plug the machine in receptacle of the wall, is some Red lamp on?

if Yes.check Motor and Connection + Circuit Breaker or Fuse , You must need a DVOM(digital Voltimeter for check that. Do not worry, I will give some indication for to use.

With this you must find, if there is the motor, some connection loose, of breaker tripped or fuse bad replace.


There are four typicalcauses for this problem (listed in order of our experience: 1) The walking beltand/or deck are worn. (85% of the time) 2) The walking beltand/or motor belt are too tight- if you have adjusted either recently. (8% ofthe time) 3) The motor has losttorque and needs brushes or has demagnetized. (5% of the time) 4) The controller isdropping output. (2% of the time) a) Walking Belt is Worn: The only certain way totest for a worn walking belt is to take a DC amp draw (if you have a DCtreadmill) or an AC draw (for AC). Trying to look at the belt or afeel test is highly unreliable. Better tests, if you lack a DC ammeter (theyare expensive for a good one), are a coast test or an inclinetest. To test the deck, go back to the Troubleshooting section and download thebelt and deck inspections instructions. The coast test is to geton the treadmill as the lowest incline setting and walk on the treadmill at 3 MPH. Pull the safety keyand it should take you 2-3 full stepsto stop (this is a general rule...some like a few Tunturi models stop on a dimeeven with a healthy belt but most this tests works wellupon). Fewer steps indicate high friction. The incline test is toput the treadmill at max incline and walk on it at 3 MPH. If the treadmilloperates normally at max incline but bogs down at minimum incline,replace the walking belt. Gravity takes over for the drive system eliminatingthe friction problem. On some heavily worn walkingbelts, this test will not eliminate the problem. B) Walking Belt/Motor Belt too Tight: b> If you have adjusted thewalking belt or motor belt recently, check for this problem. When the beltsstart slipping, some people just crank down the belts and ontreadmills, tighter is not necessarily better. The tighter the belts, the morethe drive system has to work to keep everything moving. Youshould be able to lift the walking belt (with the treadmill unplugged) in thecenter of the treadmill about 3"without straining. Tighter beltsshould be loosen but make sure you don't create a dangerous slipping situationby loosening. The motor belt (with thetreadmill unplugged) should be able to be turned by hand to almost a 90 degreeangle from its normal operating position. Loosen the beltif too tight. Make sure to test for slipping and if it does with theproper tension, replace the motor belt. b> C) Needs Brushes / Demagnetized Motor: Typically when we find amotor that has lost torque; it needs a new set of motor brushes. Typically wecan make brushes for almost any motor if we don't alreadystock them. Motor demagnetization is not that common but it does happen and itis normally easy to diagnose. If you have confirmed thebelt and/or deck is not worn and the belts aren't too tight, you can test for amotor torque problem.. b> DO NOT USE YOUR HAND OR ANYOTHER BODY PART TO IMPEDE THE MOTOR...YOU WILL LIKELY LOSE YOUR BODY PART IN THE PROCESS IF THEMOTOR IS GOOD. The step to test for themotor is to use a foreign object preferably on a long shaft. First determinethe direction of the motor spin (most have directional movementprinted on the motor tag), then apply pressure with an object with downwardpressure on the flywheel in the direction the flywheel isturning (do not attempt to put force against the rotating direction of theflywheel as you can easily injure yourself). If you canslow the motor, typically you need brush replacement. To test fordemagnetization, the motor must be disassembled. Once you have the motorretaining bolts removed, remove the motor core by sliding it out of theend of the housing. If the magnets pull the core against the housing andit is difficult to remove, the magnets are good. If the magnets do not attractthe core, the motor has to be replaced. b> D) Controller: This is the most uncommonof the causes. Typically replacing a controller in this situation will notsolve the underlying problem and then you will end up replacinga belt as well as a control. Normally if a control is droppingoutput, it will do it with a person on the belt or not. Tests of DC outputdropping is normal in many controls since they have a current limiterwhich will automatically drop output to prevent burning up the board. This isbest diagnosed by eliminating the other possible problemsfirst. If you are left with the control as the cause, replacethe control.
t

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1 Answer

Belt seems to be slipping


As a general rule, the belt should be kept as loose as possible. However, the belt must not slip on the rollers in normal use. Possible overtension can be quickly checked by walking on the belt at a speed of 3 mph The belt must slip on the front roller if you brake the belt with your feet, holding onto the hand rails, while you walk. If the belt does not slip, the tension is too high and the rear roller must be loosened. The belt tension and alignment is done by adjusting the rear roller position with the attachment bolts at the back of the treadmill a 1/4 turn at a time until correct tension attained. T

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1 Answer

Is the motor supposed to not be fixed to tension


The motor is spring loaded to keep tention on the belt. The belt is designed to slip. When the washer is full of water the motor starts at 1725 RPM and the belt is a little loose. As the drum empties its water the belt gets tighter and the speed picks up to spin the water out of the cloths. If the cloths are not comming out as dry as they should, replace the belt. As the belt starts to wear it becomes shiny and doesn't grip the pully properly and slips too much.
I hope this helps.

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Is ther a picture of the tension pully arm for my 2001 suzuki esteem that i can look at


The tensioner itself is not meant to be taken apart. If you do, it's one difficult job to put back together again! Assuming you just want to either remove or replace the belt, all you need is a long spanner or breaker bar (14mm I think) and turn the centre bolt of the tensioner in a clockwise direction. If you're re-fitting a belt, it's best to start with the spanner in a position where you have the biggest possible amount of movement available to turn the spanner clockwise. If you're removing a belt, you'll only need a small amount of clockwise movement, but may need a lot more in the anti-clockwise direction (once the belt is off, the pulley will go back a lot further). The tensioner only has a certain amount of movement and if if doesn't go back much further with the belt removed, you need a new (or shorter) belt.

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1 Answer

Proform 765 treadmill slows down when step on. Do


Hi,

More likely time to replace the belt. Let me provide you with all the information you need. This information is already there on many websites.

BELT LOSES POWER
(Bogs Down or is Sluggish) This condition is when the treadmill operates normally without a person on the belt and then slows down when someone steps on the belt or when the treadmill operates normally for a given period of time with someone on the belt then abruptly begins to slow down.
There are four typical causes for this problem (listed in order of our experience:
1) The walking belt and/or deck are worn. (85% of the time)
2) The walking belt and/or motor belt are too tight- if you have adjusted either recently. (8% of the time)
3) The motor has lost torque and needs brushes or has demagnetized. (5% of the time)
4) The controller is dropping output. (2% of the time)
Walking Belt is Worn:
The only certain way to test for a worn walking belt is to take a DC amp draw (if you have a DC treadmill) or an AC draw (for AC). Trying to look at the belt or a feel test is highly unreliable. Better tests, if you lack a DC ammeter (they are expensive for a good one), are a coast test or an incline test. To test the deck, go back to the Troubleshooting section and download the belt and deck inspections instructions. The coast test is to get on the treadmill as the lowest incline setting and walk on the treadmill at 3 MPH. Pull the safety key and it should take you 2-3 full steps to stop (this is a general rule…some like a few Tunturi models stop on a dime even with a healthy belt but most this tests works well upon). Fewer steps indicate high friction.
The incline test is to put the treadmill at max incline and walk on it at 3 MPH. If the treadmill operates normally at max incline but bogs down at minimum incline, replace the walking belt. Gravity takes over for the drive system eliminating the friction problem. On some heavily worn walking belts, this test will not eliminate the problem.
Walking Belt/Motor Belt too Tight:
If you have adjusted the walking belt or motor belt recently, check for this problem. When the belts start slipping, some people just crank down the belts and on treadmills, tighter is not necessarily better. The
tighter the belts, the more the drive system has to work to keep everything moving. You should be able to lift the walking belt (with the treadmill unplugged) in the center of the treadmill about 3” without straining. Tighter belts should be loosen but make sure you don’t create a dangerous slipping situation by loosening.
The motor belt (with the treadmill unplugged) should be able to be turned by hand to almost a 90 degree angle from its normal operating position. Loosen the belt if too tight. Make sure to test for slipping and if it does with the proper tension, replace the motor belt.
Needs Brushes / Demagnetized Motor:
Typically when we find a motor that has lost torque; it needs a new set of motor brushes. Typically we can make brushes for almost any motor if we don’t already stock them. Motor demagnetization is not that common but it does happen and it is normally easy to diagnose. If you have confirmed the belt and/or deck is not worn and the belts aren’t too tight, you can test for a motor torque problem. DO NOT USE YOUR HAND OR ANY OTHER BODY PART TO IMPEDE THE MOTOR…YOU WILL LIKELY LOSE YOUR BODY PART IN THE PROCESS IF THE MOTOR IS GOOD. The step to test for the motor is to use a foreign object preferably on a long shaft. First determine the direction of the motor spin (most have directional movement printed on the motor tag), then apply pressure with an object with downward pressure on the flywheel in the direction the flywheel is turning (do not attempt to put force against the rotating direction of the flywheel as you can easily injure yourself). If you can slow the motor, typically you need brush replacement.
To test for demagnetization, the motor must be disassembled. Once you have the motor retaining bolts removed, remove the motor core by sliding it out of the end of the housing. If the magnets pull the core against the housing and it is difficult to remove, the magnets are good. If the magnets do not attract the core, the motor has to be replaced.
Controller:
This is the most uncommon of the causes. Typically replacing a controller in this situation will not solve the underlying problem and then you will end up replacing a belt as well as a control. Normally if a control is dropping output, it will do it with a person on the belt or not. Tests of DC output dropping is normal in many controls since they have a current limiter which will automatically drop output to prevent burning up the board. This is best diagnosed by eliminating the other possible problems first. If you are left with the control as the cause, replace the control.

The site :-

http://www.treadmilldoctor.com/Treadmill-Belt-Bogs-Down

Any further assistance, let me know.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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