OK International DX-250 Water Dispenser User Manual


 
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