How do I activate or deactivate the soft percussion on my EIBENSTOCK ESD 1801 core drilling machine?

[EvangelineDella]

To control the soft percussion feature on your EIBENSTOCK ESD 1801 Diamond Core Drilling Machine, follow these steps:

Engaging Soft Percussion:

1. Rotate the adjusting ring by a quarter turn.
2. Gently push the adjusting ring toward the gear housing.
3. Confirm that the alignment marks on the spindle and the adjusting ring are perfectly aligned.

Disengaging Soft Percussion:

1. Rotate the adjusting ring a quarter turn.
2. Gently push the adjusting ring toward the gear housing.
3. Ensure that the alignment marks on the spindle and the adjusting ring are offset by 90 degrees.