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OK International DX-250 User Manual

Page 3

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5

5

CONNECTING THE UNIT

CAUTION: A 5-micron filter (TSD800-6), not included, must be installed with the unit to
ensure proper air filtration.

Figure 2.0








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 Adhesives, 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 Footswitch to activate dispensed cycle. (The 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


Items Description

1

To Air Source

2

Air Filter (Not Included)

3 Power

Adapter

4 Foot

Switch

2

1

3

4

6

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.


7

TROUBLESHOOTING


PROBLEM POSSIBLE

CAUSE CORRECTION

LCD does not
light

• No power input


• Check power cord

connections

• Turn on power

System will not
actuate

• Foot switch not

plugged in or
improperly plugged
in

• Defective foot switch

• Broken wire or loose

connection inside
unit


• Defective solenoid

• Defective PC board

• 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

System will not
pressurize

• Insufficient air

pressure

• Air hoses not

plugged in

• Regulator defective

• Increase air supply

pressure

• Check connection

• Replace regulator

System will not
pull vacuum

• Vacuum setting is

too low

• Defective solenoid

• Defective vacuum

venturi

• Defective vacuum

needle valve

• Increase vacuum setting

• Replace solenoid valve
• Replace venture

• Replace needle valve

Inconsistent
dispensing

• Air bubbles in

Adhesives

• Dispense time is too

low

• Dispense needle

started to clog

• Reduce vacuum setting

• Increase dispensing tim

• Replace needle