Bedienungsanleitung Kemppi A7 TIG Orbital System 150 (Seite 44 von 48) (Englisch)

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A7 TIG Orbital System 150© Kemppi Oy 2016 1615

OPERATING MANUAL

7. MAINTENANCE

When considering and planning routine maintenance,

please consider the frequency of machine use and the

working environment.

Correct operation of the machine and regular maintenance

will help you avoid unnecessary downtime and equipment

failure.

Disconnect the machine from the mains before

handling the electrical cables.

7.1 Periodic maintenance

Periodic maintenance should only be carried out by

a suitably qualied person. Disconnect the plug of the

machine from the mains socket and wait about 2 minutes

(capacitor charge) before removing any parts.

Check at least every half year:

• Electric connectors of the machine – clean any

oxidized parts and tighten loose connections.

Do not use compressed air for cleaning as there is a

risk that the dirt will compact even more tightly into gaps of

cooling proles.

Do not use pressure washing devices.

Only an authorized trained electrician should carry out

repairs to Kemppi machines.

7.1.1 Factory and field calibration

Kemppi calibrates each system using instrumentation

traceable according to ISO 9001. All instruments are

checked for accuracy by independent laboratories at

scheduled intervals. We recommend that equipment is

recalibrated every twelve (12) months. You may recalibrate

the power source and weld heads if proper instruments

are available (with traceable calibration). Contact the

factory if necessary.

7.2 Weld head maintenance

7.2.1 Calibrating the weld head

The 150 series controller software allows users to calibrate

the travel speed for 150 series of weld heads. Weld heads

supported by the 150 series controller software utilize

built‐in encoders for motor control while some others may

use a tachometer. The encoder‐based heads oer better

control of the travel, and therefore little or no adjustment

is required during the calibration process. Tachometer‐

based heads usually require adjustment each time they

are calibrated.

Kemppi recommends that the travel speed are checked

once daily to ensure accuracy.

To calibrate the head, press Menu in the Main menu to

enter the Maintenance menu. Once in the Calibrate Head

menu, do the following:

1. Select the model of the weld head to be calibrated.

2. Use Up/Down to navigate within the menu and

Enter to make a selection.

3. If this is the rst time calibrating a particular weld

head or you see “Calibration Out of Range” error

message, press Default after selecting the weld

head to install the factory setting for the correction

factor.

4. Select Travel Speed to calibrate.

5. For travel calibrations, choose the Distance to

Travel or Desired RPM by rotating the dial and press

Enter.

6. Press Run and measure the actual amount traveled

or actual run time (or the length of wire).

7. Enter the measured value and press Save.

8. Repeat this process until you have achieved

desired accuracy, then press Back to return to the

Maintenance menu.

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