Warning: ** This is an optional step - you do not have to remove this assembly to lube it. Check description for Olexanders warn

Olexander: "Not need do this procedure, if you don't have special measuring tools and don't have technical ifnormation, about control size.
The matter is that, the two points of plate of mechanism ( iniside of plate ) between plate and rear side of body have adjusting plates.
The size of this plates must be adjust for fixed dimension of control point.
The volume of this adjust plates influence on jam of mechanism and gaps between gears.
That's why, need not lost of this adjusting plates and check of control size."