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the switch fixing handle.
c. Gently pull out. Be careful not to use too much force to damage it.
d. Remove the switch connector, replace it, and reassemble it in reverse
order.
Replace the upstairs and downstairs switches:
a. Carefully pull the joint out from the wire hole under the beam and
disconnect the joint.
b. Insert a flathead screwdriver into the gap on the underside of the switch
and knock the switch out forcefully.
c. Take out the new switch that needs to be replaced, and plug it from the
empty place where the switch is installed.
d. I attach the bottom of the switch to the fixing hole and strongly attach the
upper card slot to the fixing hole, too.
Check and replace the controller and motor, Speed control knob:
a. Before removing the front panel, remove the battery.
b. Remove the front panel with four fixing screws on each side.
c. Remove the front panel.
d. From the front, you can directly observe the internal wiring of the control
box and the status of the controller.
e. If it is necessary to check and replace the speed control switch, after
opening the front panel, you can directly face the fixed nut and wiring of the
speed control switch.
f. If it is necessary to inspect and repair components such as the motor and
gearbox, after removing the front panel and removing the motor casing,
motor-related maintenance can be carried out.
g. The gearbox is filled with oil and does not need to be replaced.
Repair, replace, check the fastening of other bolts and nuts:
a. All machine bolts and nuts have anti-loosening processes, but for safe
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