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25 | AC442 | Maintenance
10.9 Printer maintenance (optional)
1. Open the lid of the printer as shown in Fig. 28.
Fig. 29: Opening printer
2. Position the roll of paper inside the housing in the
rotation direction indicated in Fig. 29.
Fig. 30: Installing new paper roll
3. Pull the paper out of the housing as shown in Fig. 30
and close the lid.
Fig. 31: Completing Installation
4. The printer is ready for printing
10.10 Periodic checks
The AC442 service station must be checked over
regularly as set by local legislation.
The following checks should be performed to ensure safe
and reliable operation:
—
Make sure no corrosion or leakage is present in the
internal cylinder and other metallic parts of the
equipment (under normal conditions the internal
cylinder life is at least 20 years).
—
If automatic safety valve trips, contact technical support
to have unit inspected, resolve any issues and
replace valve if necessary.
—
If the safety pressure switch trips, check the connection
of the cables and correct connection to the PCB.
Contact technical support for additional assistance.
—
Check that external charging hoses - both red (HP) and
blue (LP) - are in good order and undamaged. In the
case of damaged hoses, discontinue use of AC442
until replacement hoses are procured.
—
Verify that vacuum pump oil and filter dryer have been
replaced according to schedule for proper functioning
equipment.
1901016-85
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