| Maintenance recommendation
for flexographic printers DV70, DV120, DV121, DV220, DV221, DV320,
DV321 |
| |
| Service interval 1
(every 2 weeks) |
| - check the plastic buffers
below and above the guide rails (8 pieces) for damages |
| - check rubber buffers
on the printing table (4 pieces) for damages |
| - check cables for correct
tension (see here for tightening)
and damage (see also exchange of
the cables) |
| - check ink level in the
ink container periodically |
| |
| Service interval 2
(once a month) |
| - check lock nuts of the
4 small cylinders of the guide rails for tightness |
| - operational test of
the 3 safety switches at the doors |
| - operational test of
the operating keys and display elements (lamps) |
| - check for tolerance
at the printing table (rotating possible yes/no) |
| - clean paper guide rollers
of possible ink staining |
| - check ink tubes for
sediments or incrustation of ink and replace if necessary |
| |
| Service interval 3
(every 3 months) |
| - check parallelism of
the ink roller to the inking unit |
| - remove ink unit and:
|
| |
- dismantle
the upper section with the rollers, (see also maintenance
of the ink unit) |
| |
- clean
ink tub with solvent |
| |
- checking
of the diameter of the rubber roller (at least 39 mm over the
entire length) |
| |
- check
the proper operation of the ball bearings |
| |
- reassemble
the ink unit and check the smooth operation |
|
| - examine the plastic
gears for damages or abrasion |
| - check pneumatic links
and tubes for tightness (acoustically) |
| - clean the drip pan from
possible contamination |
| - functional inspection
of the ink level sensor |
| - clean ink roller with
soft cloth and solvent |
| - clean counter pressure
plate |
| |
| Generally |
| - keep the printer clean
from any pollution |
