Table of Contents
How tight should a tensioner be?
When twisted either way from the middle, the tension in the belt must not be more than 12 inch. The belt is too tight if it is twisted more. The positions do not work for the vehicle.
How do you tighten a tensioner?
Turn the adjustment bolt on the side, top or bottom of the pulley counterclockwise with the ratchet and socket until the accessory belt is loose enough to remove. Tighten the tensioner pulley by turning the adjustment bolt clockwise with the ratchet and socket until the belt is tight.
Can you over tighten an idler pulley?
A belt shouldn’t be over-tightened. Any bearing that the belt rotates on can be burned out by an over-tightened belt. A pulley bearing can be ruined by an over-tightened timing belt.
Do you tighten idler pulley?
Step 3: Tighten the Idler Pulley Retighten the bolts that you previously loosened, beginning with the adjusting bolt first. Tighten down to the torque that is recommended in the manual, made specifically for your vehicle. This is the basic steps in adjusting an idler pulley upon any type of car or truck.
How tight does alternator belt need to be?
The required measure of tension in the serpentine belt is that it should not deflect more than ½ inch when twisted either way from the middle. If twisted more, the belt is loose, and if twisted less, the belt is too tight. Either of the positions does not work for the vehicle.
When is lower tension too loose or too tight?
When lower tension is too loose (or upper tension is too tight), knot is visible on right side (left). When upper tension is too loose (or lower tension is too tight), knot is visible on wrong side (right). Tensions can still need adjustment even if they’re balanced.
How can I tell if my thread tension is too tight?
The easiest way to spot unbalanced tension is to look for visible knots or loops at the end of each stitch. When the bobbin thread shows on the right side, the needle tension is too tight or the bobbin thread, too loose, as shown at left in the illustration below.
When do I need to adjust the tension on my sewing machine?
There are two types of tension adjustments, a basic adjustment for everyday sewing (this is what your repair person does when adjusting tension, but you can do it, too) and a temporary adjustment, necessary when you change thread types or sizes, fabrics, and stitching operations.
What kind of tension do you need for lightweight fabric?
Lightweight fabrics need finer threads, which need a narrow space to pass between the tension discs. The lesser the space between the tension discs, the tighter the tension. Don’t forget to use a sewing machine needle that is appropriate for the size of the thread you are using.