How to remove / replace the turning knobs
© Elma Schmidbauer GmbH
SM_Elmasonic_S_02.2018_EN
27
This method is useful if the unit must be opened anyway, e.g.
for repair purposes (exchange of PCB control).
1. Pull the mains plug!
2. Open the unit as described in
section 6.
3. Push the shaft of the turning knob out from inside (A) and
pull the knob off from outside at the same time (B).
Illustration 7.3. Pull off the turning knob with opened unit.
7.2
How to mount the turning knobs
Put the turning knob square onto the unit. Ensure that the
turning knob is positioned correctly: The cog of the turning knob
(A) must correspond with the stop position on the PCB support
(B).
Illustration 7.4. Put on the turning knob
With opening the unit
Proceed as follows
How to proceed
A
B
A
B