LIFTMASTER model BELT TENSIONER is a garage door repair device.
The warranty on the BELT TENSIONER is 1 year from LIFTMASTER.
The model BELT TENSIONER is still available.
LIFTMASTER model BELT TENSIONER repair instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_beltten_om.pdf
(0.05 MB in English) This requires Acrobat 10 or higher