lift-master 65 5211 ユーザーズマニュアル

HIGH CYCLE MODIFICATION

For 1/3 and 1/2 HP Operator

Models T and SD

655211-XX

NOTE: XX is door height

APPLICATION REQUIREMENTS

This modification is available for model T and SD 1/3 and 1/2 HP
operators. Not available on gear reduced or side mount belt drive
operators. Must be factory installed.

FUNCTIONS

Helps to extend the life of belt drive operators that are used on
doors where frequency of use is expected to be more than 100
cycles per day.

Consists of heavy-duty roller bearings on all shafts, a delay-on-
reverse circuit in the control system, and #41 drive chain.

2''

Front Bracket Removed For Clarity

To prevent possible SERIOUS INJURY or DEATH from
electrocution, disconnect electric power to operator BEFORE
installing.
ALL electrical connections MUST be made by a qualified

individual.

Shaft, High Cycle Modification

1

Pillow Block Bearing

2

Sprocket, 41B10 3/4" Bore

1

Hex Bolt, #3/8-16 x 1-1/4" Long

4

Serrated Flange Nut 3/8"

4

Flatwasher 3/8"

8

Roll Pin, 1/4" X 1-3/4"

1