Lift-Master 65 124164 User Manual

ROLLER BEARING

MODIFICATION

66551122772299,, 665555221111AA

AANNDD

6655112244116644

ROLLER BEARING MODIFICATION (3/4") - 6512729 APPLICATION

This modification is available for Model T and SD standard door operators with 24V control circuits (M) and logic control board (L). Must be factory installed.

FUNCTIONS

Helps to extend the life of the drive system of a belt drive trolley and slide door operators. Consists of heavy duty bearing on all shafts.

ROLLER BEARING MODIFICATION (APT) - 655211A APPLICATION

This modification is available for Model APT door operators. Must be factory installed.

FUNCTIONS

Helps to extend the life of the drive system of a belt drive trolley operator. Consists of heavy duty bearing on all shafts.

ROLLER BEARING MODIFICATION (1") - 65124164 APPLICATION

This modification is available for Model J and H standard door operators with 24V control circuits (M) and logic control board (L). Must be factory installed.

FUNCTIONS

Helps to extend the life of the drive system of a belt drive side mount operator. Consists of heavy duty bearing on all shafts.