DoorHan SHAFT-50 Посібник з монтажу та експлуатації - Сторінка 6
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4.3. Installation via chain drive
(optional equipment)
•
•
Additional accessories for installation (bracket, large and small sprockets, chain)
•
are purchased separately.
•
Install the large sprocket on the door shaft end.
•
Fix the bracket on the wall according to the length of the chain using dowels.
•
Secure the operator on the bracket using four bolts M10. Tension the chain, having
•
adjusted the position of the operator.
Installation variants
Direct transmission 1:1
Gear ratio 1:1.5
5. ADJUSTMENT OF EXTREME POSITIONS
5.1. Close position (red cam)
Coarse adjustment
•
Make sure, that the operator is fixed rigidly; put the door in completely closed position.
•
Loosen the screws for coarse adjustment of red cams (see pic. 1), then turn them counterclockwise (see pic. 2), to make the cams push
the microswitches (see pic. 3), then tighten the screws.
•
Open and close the door, make sure, that the red cams push the microswitches and DL3 indicator goes off on the control block.
Pic. 1
Fine adjustment
Turning the fine adjustment screw (see pic. 4), adjust the closed position of the door.
•
Open and close the door, make sure, that the red cams push the microswitches and the door
remains in the desired position.
•
Clockwise turn of the screw causes earlier actuation of the limit switch, counterclockwise turn
of the screw causes later actuation respectively.
•
Open and close the door, make sure, that the red cams push the microswitches and the door
stops in the required position.
6
Torque, N·m
Shaft speed, rpm
50
22
75
15
Pic. 2
ADJUSTMENT OF EXTREME POSITIONS
Maximum amount
of shaft rotations
18
12
Shaft
Large sprocket
Chain
Small sprocket
Pic. 3
Pic. 4