Originally Posted by onehundred80
You use the term adjustment, I am afraid there is no adjustment. The belt tensioner just adds tension it is not adjustable, if that is your question and I am reading it right. You cannot ease the load on the pulley of the water pump.
Technically, it's a spring-loaded tensioner. You do like MikeR said and use a E10 socket on a ratchet and counteract the pressure of the spring.......that will allow the serpentine belt to loosen so you can get it off the water pump pulley.