Heidolph RZR 2041 - Manual (Page 20)

20
E
An integrated safety feature ensures that it is only possible to switch from range I
to II or vice versa under the following conditions:
Procedure:
Switch stirrer off via the ON/OFF switch (C).
Turn speed control knob (D) all the way to the left.
Set speed range from I to II (or vice versa) with switch (B). Switch instrument
back on with ON/OFF switch (C).
Set desired speed via speed control knob (D).
4. Speed display
RZR 2021 and RZR 2041 are equipped with a digital display (E) for reading the mixer speed.
CLEANING & SERVICING
Cleaning:
wipe housing clean with a damp cloth (add some sort of mild liquid soap).
Note
To avoid damage to the surface finish, avoid using chlorine bleach, chlo-
rine-based detergents, abrasive substances, ammonia, rags or cleaning
agents containing metal particles.
The item is maintenance-free. Repair work is limited to technicians approved or appointed by
Heidolph Instruments. Please call your local Heidolph Instruments Dealer or a Heidolph Instru-
ments Field Representative (also refer to page 23)
DISASSEMBLE & STORAGE
Disassamble (refer to page 17 , „set-up“)
Turn the item OFF and pull power plug.
To disassamble the item easely, remove all flasks, containers or other appliances in the vicinity
of the stirrer.
Open chuck with T-handle and remove stirring tool.
Unlock clamp and remove stirrer head from head clamp.
With 2,5 mm Allen key loosen threaded pin and remove chuck. With the 3 mm Allen key loosen
and remove stand rod.
Forward & Store
1. We recommend to store the item and its components in its original box, or a similar container
that offers adequate protection against damage in transit. Tape the box securely.
2. Store the item in a dry place.
2. Caution
Do not jolt or shake the item during transport.