Duro Dyne 27184 Manuel du propriétaire - Page 13

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MAINTENANCE

To prolong the weld tip life and improve the weld quality, it is imperative that the weld tips always be kept

clean. For best results, use a solvent to remove any built-up adhesive; a wire brush to remove any galva-

nizing deposits; and a fine emory cloth to smooth the tip surfaces.

When the lower weld tip becomes worn in one area, loosen the locking cap screw and rotate the point

of wear away from the point of contact. If this cannot be done because the lower weld tip is too badly

pitted, replace the lower weld tip plate. Loosen set screw in weld tip shaft. remove 2 slotted screws.

Assemble new weld plate in reverse order. Additional lower weld tip plates can be ordered from your local

distributor.

Depending on usage and maintenance, the upper welding tip plate will have to be periodically replaced.

The replacement weld tip plates can be ordered from your local distributor. To replace the upper weld tip,

loosen the locking cap screw and remove the weld tip. To replace the plate remove the three (3) brass

screws. Discard the screws and attach the new plate to the tip using the three brass screws supplied.

Be sure to align the angled section of the plate so it faces the feed mechanism. Then lock the tip in place.

Cycle the machine to check the feeding.

If the feeding is erratic, re-adjust the upper weld tip height by loosening the lock nut and then turning the

dwell cylinder shaft clockwise to raise the tip; counter-clockwise to lower the tip. Lock the tip in position

with the locking nut.

SERVICING

A SIMPLIFIED STEP-BY-STEP PROCEDURE

Duro Dyne has called upon its many years of pinspotting experience in designing the FG Mach 70. Your unit

has been rigorously factory tested and inspected to provide many years of dependable service.

WHAT TO DO BEFORE YOU BEGIN TROUBLESHOOTING:

Most of the functional problems that occur are due to an oversight in the set-up, operational or normal

maintenance procedures. Therefore, you should re-check all "Set Up", "Initial Adjustment", "Operation" and

"Maintenance" procedures.

If the problem still persists, the next step is careful visual inspection. Turn off the electricity - that is, discon-

nect your Pinspotter from its power supply and carefully check the control box for loose, broken or disconnected

wires. Also check the air circuit for leaky air connections or cut hoses.

By weld we mean that the Power Pack is energized, sending a pulse of electricity through the weld pin, caus-

ing it to begin to fuse to the sheet metal. To properly troubleshoot the weld quality problems, you must first

pinpoint the symptom by test welding the clip pins to bare sheet metal. The symptom will then show up in one

of four categories:

1) The pins weld to bare metal but not on lined work.

2) The pins weld to bare metal but can easily be removed.

3) Pins weld to bare metal but remain on the weld tip as it retracts.

4) The pins do not weld at all.

Before troubleshooting, always check:

1) Air pressure for a minimum of 80 PSI during usage of unit.

2) The input Voltage for a minimum of 208V and a maximum of 230V.

3) The Weld Timer is set properly.

4) The Upper and the Lower Weld tips for extreme wear.

For assistance, please call Duro Dyne Technical Service Department at 1-800-899-3876 between the hours

of 7AM - 6PM EST.

CONSULT THE MANUAL.

INSPECT THE UNIT

HOW TO IDENTIFY WELD QUALITY PROBLEMS

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