How to remove the hammer gear sliding
Turn the drill and hammer first, turn clockwise to 45 degrees, take off, and the Z shaft comes out. Put it on the outer cover, and finally put the change-over switch onThird, the front gear box that cut down the hammer, four screws, the auxiliary handle, pull down pull out, see.
1, square tube wear too much; change square tube.2, steel ball drop or steel ball, iron sleeve gap is too large, add steel ball and replace steel ball, iron sleeve. For reference only