Connecting The Unit; Setup Instructions; Troubleshooting; Maintenance - Metcal DX-250 Guia Del Usuario

5

CONNECTING THE UNIT

CAUTION: A 5-micron filter (TSD800-6), not included, must be installed with the unit to
ensure proper air filtration.
Items Description
1 To Air Source
2 Air Filter (Not included)
3 Power Adapter
4 Foot Switch
6

SETUP INSTRUCTIONS

Refer to Figure 1.0
6.1 Manual Dispense Cycle Setting:
1. Turn on the unit by pressing the Power button (1)
2. Press the Mode button (2) until "PURGE" appears on the Display.
3. Turn up the air pressure by rotating the Air pressure regulator knob (6) until
the desired pressure is indicated on the Air pressure gauge (5)
4. After filling the barrel or using pre-packaged adhesive, attach syringe to
receiver head assembly. Make certain that the syringe locks into place.
5. Connect the plug end of the receiver head assembly to one of the air
dispense outlet (7)
6. If vacuum "suck back" is needed, rotate the Vacuum regulator (8) counter
clockwise until the desired vacuum pressure is obtained
7. Press and hold the Foot switch to activate dispensed cycle. (The
Purge/Manual Mode is now activated)
6.2 Automatic Dispense Cycle Setting:
1. Push the Mode button (2) to select "TIMED" mode
2. Rotate the Time control knob (9) to set desired dispense time
3. Repeat step 3 to 6 in Section 6.1
4. Depress Foot switch to activate timed dispensed cycle
Figure 2.0
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6.3 Cycle Counter
The cycle counter records the numbers of dispense cycle being activated. Up
to 65,535 cycles can be recorded. This number is shown at the lower right
hand corner of the LCD. Press the Counter Reset button (3) to clear the
counter.
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TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE
LCD does not No power input
•
light
System will not Foot switch not
•
actuate plugged in or
improperly plugged
in
Defective foot
•
switch
Broken wire or loose
•
connection inside
unit
Defective solenoid
•
Defective PC board
•
System will not Insufficient air
•
pressurize pressure
Air hoses not
•
plugged in
Regulator defective
•
System will not Vacuum setting is
•
pull vacuum too low
Defective solenoid
•
Defective vacuum
•
venturi
Defective vacuum
•
needle valve
Inconsistent Air bubbles in
•
dispensing adhesive
Dispense time is too
•
low
Dispense needle
•
started to clog
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MAINTENANCE

CORRECTION
Check power cord
•
connections
Turn on power
•
Check foot switch
•
connection
Foot switch needs to be
•
repaired or replaced
Unplug power cord and
•
disconnect air supply.
Remove cover and check
for broken wires or loose
connections
Replace solenoid
•
Replace PC board
•
Increase air supply
•
pressure
Check connection
•
Replace regulator
•
Increase vacuum setting
•
Replace solenoid valve
•
Replace venture
•
Replace needle valve
•
Reduce vacuum setting
•
Increase dispensing time
•
Replace needle
•
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