24
8.2
Current maintenance
The propeller waste depends on the working time and on the qualiity of the product to be
mixed.
If the power absorption is clearly lower than the highest nominal charge, you have to replace
the worn-out propeller, as well as the self-locking M30 fixing bolts.
During the replacement, check if the installation surfaces are clean.
All maintenance operations carried out have to wholly documented (see the documentation
concerning the maintenance and repair operations).
Before maintenance, disconnect the ON/OFF main switch and make sure it can not be
connected again accidentally.
Affix a danger signal!
Follow scrupulously the safety rules indicated in
Chapter 2
and the instructions
concerning mixer installation in
Chapter 6.
Danger of explosion!
During repair or maintenance, lower the tank filling level according to needs.
(above all in case of maintenance to a wall mounting mixer).
Warning! In potentially explosive atmospheres,
it is strictly forbidden to:
-
carry out any repair, maintenance operations, i.e. any work that can generate flames
or sparks.
-
Bring any flammable source (es. Free flames, thermal sources, not flameproof
equipments, etc..)
Employ
absolutely ONLY NON-SPARKING TOOLS
(that is valid also for drills, hollow
drill bits, chisels, etc….)
Before carrying out any operation, apply for the authorization of the person in charge
with safety and fill correctly the permission request form to operate in potentially
explosive atmospheres, which has to be duly signed by the person responsible.
