2.3
Rinsing the umbilical/head assembly
The head and the umbilical can be thoroughly cleaned by letting clean additive pass through
them. This allows the printer to be started up easily after having been shut down for 1 to 2
weeks.
The procedure is as follows:
1 -
With the printer running and the jet idle, make the machine suck up additive from the
recuperation gutter for 20 seconds.
2 -
Stop the printer.
3 -
Close the recuperation gutter.
4 -
Uncouple the pressure connector in the hydraulics compartment. For a two-head printer,
uncouple both pressure connectors.
5 -
Connect the rinsing connector (1) to the pressure piping of the umbilical next to the head
filter.
6 -
Immerse the free end of the rinsing connector into a beaker of additive or into the printer
additive tank.
7 -
Obturate the nozzle with a antiblocking protector.
8 -
Start up the printer and validate the "refresh" function for around 30 seconds (on the
appropriate head for a two-head printer).
9 -
Validate the "Unblock nozzle" function for around 20 seconds.
10 - For a two-head printer, rinsing the second head before going on to the next step.
Stop the printer and wait until it comes to a complete halt.
11 - Reconnect the original hydraulic connections.
Beaker of additive or
printer additive tank
Bleed
Antiblocking protector
Cannon
Pressure CE
(1)
Pressure
Recuperation gutter
Routine maintenance
A13540 Version E
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