H33. HEADSTOCK SPINDLE ADJUSTING COLLAR A2056 SC186

Spindle adjusting collar – used to take out any end float in the spindle.
Be careful when adjusting this, as even a small rotation can cause the spindle to be too tight or too loose.
It is advisable to mark the spindle to indicate the position of this collar before dismantling the headstock. This will allow you to quickly reassemble it.