Aluminum alloy doors and windows wheel bad, how to change the wheels.
We must first remove the door, with an awl upturned can be removed, and then remove the following screws for a good wheel on the line, you can also look at what is the national wheel. Safety first thing
Oh, oh, the original is 70B series, I give you solve! How much trouble? Look at your right side of the window fan screw hole, your seller fraud, save the material! Solution steps are as follows: 1 you first put 2 sash are pushed Side of the window to see there is not a white or other color of the plastic block? Some words to remove the screw to the side, so that the sash can be won. 2 window fiddle: two windows overlap, to avoid 1 inside Of the plastic block, and then together to lift up, and then pushed out to the outside, down, the sash to get the room, if the window from the outside ground is not high (non-building) directly to the outside to get the ground .3 will cross the window, The wheels of the side up, you use a cross screwdriver to mark your screws (both sides have) unloaded. Remove the screws, and then put this piece of material up hard to see, see the pulley, the same way to buy a change On the line. As for the installed, you can find where the wheels of the careful people, it would be estimated!
