Which way to loose Timing Adjustment Nut?

[XcluziveAZN]

I don't understand this

Loosen the timing belt adjustment nut. Push on the tensioner to relieve tension from the balancer belt, then tighten the nut. Remove the balancer belt.

[batever]

I don't understand this

Loosen the timing belt adjustment nut. Push on the tensioner to relieve tension from the balancer belt, then tighten the nut. Remove the balancer belt.

The timing belt adjustment nut doesn't directly tension the belts, rather it presses the tensioner pulleys (which do the actual tensioning depending on they are positioned to press, or not press, against the belt) together on their pivot bolt to hold them in position. When you loosen the timing belt adjuster nut it removes the friction that holds the pulleys in place and you can now move the tensioning pulleys, slackening the tension on the belt. once they are moved back and the belts are slack, you retighten the adjuster nut which will squeeze and hold them in the slacked-out position so you remove or replace the belt.

Actually the tensioner pulley for the timing belt doesn't really tension the belt per se (the force required to pull the camshaft pulley determines the amount of tension on the belt on the working side) but rather just takes up slack/ evens out the tension on the non-working side of the belt so it doesn't flop around and maybe slip off the pulleys.

On the balancer belt the tensioner pulley does contribute to overall tension, however. Which in the case of the balance shaft belt really isn't that much tension at all because the balance shafts move very easily.