OK International TECHCON SYSTEMS TS255 User Manual
Page 3

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 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 
 
 
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 
adhesive 
•
Dispense time is too 
low 
•
Dispense needle 
started to clog 
•
Reduce vacuum setting
•
Increase dispensing time
 
• 
Replace needle
 
 
 
 
 
 
 
