3 Pull out the stopper pin at the lower end of the extension arm.
4Insert the lower end of the extension arm (protruding portion) into the hole by aligning it to the notch at the end of the standard arm
57
3 Pull out the stopper pin at the lower end of the extension arm.
4Insert the lower end of the extension arm (protruding portion) into the hole by aligning it to the notch at the end of the standard arm
57