Which is the correct tension for a timing belt?
The correct timing belt tension is the lowest tension at which timing belts will transmit the required mechanical power and not ratchet teeth when the drive is under a full load.
How do you tension a power transmission belt?
First determine the proper deflection force required to tension the timing belt. Deflection forces are given in the timing belt manufacturer’s tables and/or power transmission drive design online calculators. Then place a straightedge across the top of the timing belt.
What causes a loose timing belt to break?
Loose timing belt tensioning acts like a loosely-held piece of string, with a snapping action as in a high torque situation the string or timing belt will break because the added stress is more than the timing belt was designed to take. While a taut string or timing belt can stand a strong pull.
Can a taut timing belt stand a strong pull?
While a taut string or timing belt can stand a strong pull. Take up any loose slack in the timing belt by adjusting the center to center distance between the two timing belt pulleys. Before any final tensioning is to be applied make sure that the timing belt teeth are fully seated in the tooth grooves on both timing belt pulleys.
How do you install a new timing belt?
Shorten the center distance or release the tensioning idler to install the timing belt. Do not pry the timing belt onto the timing belt pulleys. Place the timing belt on each timing belt pulley and ensure proper engagement between the timing belt pulley and timing belt teeth.
What happens if your timing belt is too loose?
Proper tensioning cannot be stressed enough: too loose of tensioning will cause the timing belt to ratchet (tooth jumping), while too tight of tensioning will possibly cause damage to the bearings, shafts and other drive components besides dramatically reducing timing belt life.
What is the instruction manual for timing belt replacement?
INSTRUCTION MANUAL FOR TIMING BELT REPLACEMENT Application: Complete set of Tools suitable for timing on Peugeot-Citroen, Ford petrol and diesel engines. This set include all the tools useful for locking camshafts, crankshaft, tensioners, pulleys, etc. List of Components: 1.
While a taut string or timing belt can stand a strong pull. Take up any loose slack in the timing belt by adjusting the center to center distance between the two timing belt pulleys. Before any final tensioning is to be applied make sure that the timing belt teeth are fully seated in the tooth grooves on both timing belt pulleys.
How do you tension a timing belt pulley?
Place the timing belt on each timing belt pulley and ensure proper engagement between the timing belt pulley and timing belt teeth. Lengthen the center distance or adjust the tensioning idler to remove any timing belt slack. Using a tape measure, measure the span length of the drive in inches. Refer to dimension “P” in the diagram above.
Where are the timing marks on a timing belt?
(2a) Find the timing marks on the flywheel and cam, and set them both to TDC. (2b) The flywheel pulley TDC mark is accessible through a hole in the bellhousing. (2c) The camshaft TDC is easy to find — especially if you add white paint as we did.
How to set the tension on a Pfeifer belt?
Set the (large) O-ring on the body of the pencil style tension gauge at the dimension equal to 1/64” inch for every inch of span length. Next set the (small) O-ring on the plunger at zero (0) this measures the deflection force in (lbs).
What do you need for timing belt 3.3 V6?
The only special tool you need is the crank pulley removal tool. It is commercially available and a lot of parts stores will rent them to you. The trick though is finding the bolts to fit in the two holes in the crank pulley and still be long enough to go through the puller. The bolts are 6mm x1.25 thread pitch and i believe they are 80mm long.
Where do you place the timing belt on a timing belt?
Do not pry the timing belt onto the timing belt pulleys. Place the timing belt on each timing belt pulley and ensure proper engagement between the timing belt pulley and timing belt teeth. Lengthen the center distance or adjust the tensioning idler to remove any timing belt slack.
First determine the proper deflection force required to tension the timing belt. Deflection forces are given in the timing belt manufacturer’s tables and/or power transmission drive design online calculators. Then place a straightedge across the top of the timing belt.