地弹簧D-220
| 型号 | D-220 | 品牌 | 帝邦 | 外观尺寸 | 250*103*50（mm） |
| 适应门扇尺寸 | 900*2100（mm） | 承重门重 | 80(kg) | 门扇最大开启 | 116(°) |
| 主要采制 | 铸铁 | 闭门力量 | 18-26 | 适应范围 | 塑钢门，木门，8-12mm钢化玻璃门 |
地弹簧安装步骤：Installation steps of ground spring
1：画线，使地弹簧转轴中心与门夹转轴重合。
Draw line, make ground spring axis center and door clip axis overlap.
2：根据说明书和实物在地面开孔，孔的大小要与地弹簧壳体配紧，不能松动。
Open holes in the ground according to the instruction and Material object, The size of the hole shall be tightly fitted with the spring housing, Don't loosen.
3将地弹簧放入开好的孔内，摆正。
Place the ground spring into the open hole, Straighten out.
4：拾起装好门夹的门扇，使地弹簧的转轴插入门扇的转动轴孔内。
Pick up the door fitted with the door clip, The rotating shaft of the ground spring is inserted into the rotating shaft hole of the door leaf.
5：调节地弹簧三个方向的螺丝，保持门扇垂直，及上下转动轴心重合。
A screw that regulates the direction of the spring in three directions, Keep the door fan upright, And the upper and lower rotation axis coincide.
6：调节关门的速度。
Adjust the speed of closing door.
7盖上地弹簧装饰盖。
Cover the top of the spring decoration.
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