How to adjust the positive and negative thread on Thread rolling machine?

Adjustment method of positive thread as below:

Place the  spacer in clockwise order. If the  spacer have numbers, place them like this. Place 5-6-7 on the outside. If there are no numbers, put 7/6/5 on the inside. Thin-middle-thick inside . Outside thick-middle-Thin. Note that it must be placed in a clockwise direction.

Adjustment method of negative thread as below:

Place the spacer in clockwise order. If the spacer have numbers, place them inside like this: 7, 6 , 5 . Put 5 , 6 , 7 outside. If there are no numbers, put them in like this ,thick-middle -Thin inside .  Thin ， middle ， thick outside. Note that it must be placed in a clockwise direction.