Special spring must be installed when installing the garage door of Dongguan flap
Time: 2020-02-24 View: 1506
Special spring must be installed when installing the garage door of Dongguan flap
The spring strength of the garage door places one end of the wire rope band ring on the hook shaft of the bottom wheel bracket. Tighten the torque spring according to the specified tightening table. Not more than or less than half of the specified turns. Don´t hold the steel bar. Hang the other end of the wire rope on the winding wheel, tighten the wire rope, lock the winding wheel, lock the flange with the lock, and take down another steel bar. This process is very dangerous. We must pay attention to safety, protect ourselves and avoid hurting others.Garage door adjustmentLift the door several times by hand, observe whether the operation of the door body is stable, observe whether the torsion spring is suitable for the force, then make specific adjustment, and tighten the screws of each connecting piece.Garage door installationConnect and fix the chain box on the motor. Fix the U-shaped frame at the front end of the chain box on the plate above the center bracket of the torsion spring, and align it with the center to connect the chain box. The bracket is made of angle steel, the lower end is connected with M8 motor, and the upper end is fixed on the ceiling with two M8 × 70mm expansion bolts. Fix the hook seat in the middle of the top of the door panel with the × 16mm self tapping screw, and connect the upper hook. Connect the power supply, observe the motor operation, and adjust the up and down travel.Garage door track installationAccording to the width and height of the door panel, determine the position of the two track fixings, measure the level with a horizontal pipe, and fix it with M8 × 41mm square head screws. Tape is used to measure the distance between the horizontal railway and the wall and rails between the two levels. The horizontal scale is used to measure the level of the horizontal railway. Then a small screw and a 14mm hex nut are used to connect and repair the horizontal railway connector and the horizontal railway and railway fastener. The two tripods are made of angle steel with eyes, connected with the horizontal rail end with small cap screws and × 14mm nuts, and fixed on the ceiling or wall with M8 × 70mm expansion bolts.
