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© CSP S.r.l.
32
MAINTENANCE
7 MAINTENANCE
7.1. General warnings
The reading of this chapter assumes, for a safe use of the printer, the knowloedge of what contained in chapter1.6
“General safety warnings”.
Moreover, the specific prescriptions for interacting in a safe way with the printer, relative to this chapter, are
detailed in the next paragraphs.
ATTENTION:
The operations related to these activities must be performed by authorized and professionally
qualified personnel.
ATTENTION:
During operations, the operator must wear all the necessary Personal Protective Equipment (PPE).
• Before operating on the printer make sure that this is in safety condition
• At the end of a maintenance intervention remove all the tools and cloths and avoid any stockpile of material
• Always pay attention not to ruin the nozzle and the connection pipes
• Do not wear rings, watches, bracelets, chains
• Periodically lubricat with grease the ball joints
• Never submerge in water or other liquids the motor on the extruder
• Clean with water and brushes the components of the extruder
• Verify peridically the wear of the connection pipes
• Check that there are no constrictions on the pipes
• Check that there are no obstacles inside the extruder
• Oil the threaded parts before screwing the black handles
• Check periodically that the threaded bars and the internal of the handels are not damaged.
• Clean and lubricate the nylon piston before each use
• Clean all the parts in contact with the mixtures after each use
7.2. Tank cleaning
The periodic maintenance and the correct use are fundamental factors to guarantee the functioning, safety and
reliability of the machine The interventions of maintenance are carried out by the mechanical technician that
must operate in total accomplishment of the safety warnings contained in this manual.
•
Reduce to zero the pressure in the tank by turning counterclockwise the controller of the pressure
(fig.23).
•
Unscrew the handles from CAP A and then removeCAP B (fig.24). To make easier CAP A removal use a
flat screwdriver as a lever.
•
Place the tank to the bottom.
•
With closed fist (o with the help of some tool) push the nylon piston to the external. (fig.25).
•
Clean the piston with water and place it back in the tank.
•
The remove the residual material that dried inside the TPFE pipe hit it delicately to allow the
detachment or push it with a little piston.