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1224
Opening your life
11). Release the gearmotor by using the release key if necessary.
12). Fully open the gate and place the first piece of the rack on the pinion so that it projects from the axis of the pinion by
distance followed as Figure 14 or Figure 15, which means, the space reserved for the limit switch brackets.
13). To keep the rack level with the pinion, mark the hole for fixing when the slot matches the axis of the pinion. Repeat this
opera�on for each fixing point Figure 21.
14). Keep 1~2 mm space as Figure 22 between the rack and pinion so that the gate does not weigh on the gearmotor. Con�-
nually install the other pieces of the rack un�l the racks are sufficient for work.
15). A�er fixing the last piece, cut away the unnecessary parts of racks by a hacksaw if necessary.
16). Open and close the gate several �mes manually and make sure that the rack goes with the pinion smoothly within a
maximum tolerance of 5mm.
17). Fix the two limit switch brackets with the rela�ve dowels as the "E" part in Figure 23.
Slide the gate in the open posi�on keeping at least 2~3 cm from the mechanical stop. And then slide the bracket along the
rack in the opening direc�on un�l the limit switch cuts-in. The brackets should be located at a sufficient distance from
mechanical stops in order to keep the gate from crashing.
Operate the same steps for the limit switch in the closed posi�on.
18). For electrically connec�ons of the various devices, please see "4.1.1 Design of Dogo 1224 control unit". Operate the
same steps for the limit switch in the closed posi�on.
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