Lincoln-electric IDEALARC R3R-500 Bedienungsanleitung PDF herunterladen (Seite 26)

SAFETY PRECAUTIONS

ELECTRIC SHOCK can kill.

• Only qualified personnel

should perform this mainte-

nance.

• Turn the input power OFF at

the disconnect switch or fuse

box before working on this

equipment.

• Do not touch electrically hot parts.

ROUTINE AND PERIODIC

MAINTENANCE

Perform the following daily:

1. Check that no combustible materials are around

the machine or in the welding or cutting area.

2. Remove any debris, dust, dirt, or materials that

could block cooling air flow to the machine.

3. Inspect the electrode cables for any slits or punc-

tures in the cable jacket. Also check for any other

condition that could affect the proper operation of

the machine.

Perform periodically:

1. In extremely dusty conditions, dirt may clog the

cooling air channels, causing the machine to run

hot. Blow out the machine at regular intervals with

low pressure air. Clean the following parts. See

Figure D.1.

• Main transformer and choke

• SCR/diode bridge

• Control PC board

• Electrode and work cable connections

• Fan assembly

NOTE: The fan motor has sealed bearings that require

no service.

• Remote control terminal strip TS1 (in machines

below code 9500).

NOTE: Keeping remote control terminal strip TS1

clean is especially important in damp locations.

2. Pocket Amptrol Maintenance - Clean and maintain

the optional Pocket Amptrol (if equipped). Keep

the probe tip in good condition. It requires sharp

edges to penetrate heavy oxide coatings on the

work piece. A blunted tip could result in different

welding currents for a given dial setting.

MAINTENANCE

D-2 D-2

IDEALARC R3R

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WARNING

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