Assembling the clutch
Prepare the clutch, insert the lock downwards in the trolley, insert the 3 self-tap-
ping screws. Pull the clutch across over the fitting on the chain, and check that
the lock locks the clutch onto the chain.
Structure of the clutch
Function of the clutch
A. Closing: Undo the line, clutch ward will out automatic and the door will move
up and down. This is the auto-reset of the clutch.
B. Opening: When the pitman move into clutch complete pull the line to
separate the clutch ward and pitman so the door can move up and down by
hand.
C. Self-lock: After clutch separate with chain pitman, the door will be locked.
Rod
Pin
Self-locked tongue
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