8-ORDINARY MAINTENANCE 8-7
COROB™ TATOCOLOR
Figure 8-3
The frequency with which the filters must be cleaned depends on the colorants used on the
machine; the following factors affect the frequency: type of colorant (organic/inorganic), pigment
dispersion, sedimentation, viscosity, climatic conditions in the place where the machine is
installed, etc.
Only qualified personnel may clean the filters.
Check and eventually clean the pump filters after the machine has been running for 6
months; perform periodic maintenance thereafter, increasing or decreasing the intervals based
on the conditions found during the first check.
Clean the filters as follows:
1. Shut off the machine and unplug the power supply cable (chapter 6.4).
2. Use the screwdriver provided to open the panels of the canister sections.
3. Close all of the taps (2), located above the pumps, to stop the flow of colorant (Figure 8-3).
4. Connect the machine to the power mains and switch it on (chapter 6.2).
Machine ON with safety protections removed - RISK OF CRUSHING - Do not reach into the
dangerous area.
The machine will initialize when it is turned on (chapter 6.3).
Initialization with the protection panels removed from the machine is hazardous to the
operator, since moving mechanical parts are exposed. Keep your hands, clothing and hair
away from the machine motor compartment until it is shut off.
During recirculation the dispensing circuits (suction, delivery and recirculation) (Figure 8-4) empty
of colorant, which pours into the canisters through the recirculation connector (1) (Figure 8-5).
5. Open the canister section covers and remove the canister lids to make sure that the colorant
recirculation caused by initialization is enough to empty the dispensing circuits. When no
more colorant enters the canisters through the recirculation connectors, the circuits are
empty (Figure 8-5). If the recirculation caused by initialization is not sufficient, send an
additional colorant recirculation command from the application program.
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