Weld the cylindrical nuts for gear rack fixed on proper position in the lower part of
door (Fig. 8), then fasten the gear rack onto the cylindrical nut by bolts or welding.
Regulate the washer behind the base plate base to make the gear match the rack.
(Note: the distance between gear and gear rack should keep1-2 mm)
The limit way of this model is through electrical magnetic limit switch. Please follow
fig. 7 and fig. 9 to install fixed-plate for limit magnetic steel.
Installation of fixed-plate for limit magnetic steel: use clutch key to release clutch like
fig.10.
Move the gate manually to the open limit and close limit, mark the points on the rack,
then fix the magnet bracket at the limit points on the rack, then close clutch for
automatic control. Regulate the position of fixed plate for limit magnetic steel till the
door can open and close properly, and fasten the fixed-plate for limit magnetic steel
finally.
Warning:
Maintenance operations and repairs can be only performed by qualified
technicians. Our company will not bear any legal liability for non-technicians operations.