its self adjusting
how do I tighten the belt on a polaris sportsman 450
Most serpentine belt systems have a self adjusting tensioner.
very simple, there is a tension pulley on top of the AC/Compressor loosen the center bolt on the pulley and the adjusting bolt on top of the tension pulley and simply push the pulley down until the belt comes loose.
no adjusting bolt u have a serpentine belt.that has a tension pulley that automatically adjusts if belt is loose, u need to replace belt
If it is a drive belt and not a serpentine belt is has no tensioner. You manually adjust the tension by normally adjusting tension by moving the alternator. Loosen to bolts holding the alternator in place and then adjust the tension. Tighten the bolts when the tension is right. If it is serpentine belt if you follow the belt around the the engine you will see the tensioner.
You haav to loosen the idler pulley lock nut and turn the adjusting bolt to let the tension off the old one. Put the new one on and tighten the adjusting bolt until the belt is tight and then tighten the idler pulley lock nut.
If memory serves me right, the belt tension is adjustable as opposed to having an automatic belt tensioner. Try adjusting the belt tension and/or also replacing the belt.
The ac belt has a tensioner that is accessed from below, and takes a tensioner tool to loosen. Remove the serpentine belt, release tension on the ac belt then the belt can come off for replacement.
Replace belt self tensioner, if applicable. Adjust belt tension. Replace belt. Have ac pressures checked. AC compressor may be failing.
The tension on a 1988 Ford F150 can be loosened by adjusting the belt tensioner. The retaining bolt is loosened, the tensioner shifted slightly, and tightened down.
The "serpentine" belt does not serpentine. It runs the alternator and water pump only. To change you will need to work from underneath. If you have AC remove the AC belt by loosing the AC adjuster bolt and sliding the compressor over. If you have to take the AC belt off better change it, they are cheap and you don't want to do this again for a long time. Loosen the alternator adjuster pinch bolt. Some Fireos has a adjuster screw, some don't Move the alternator to loosen belt. Remove and install new. Tension belt to recommended tension on packaging on new belt. Reinstall AC belt, use the tension instructions on the package.