TECHCON TS250 Guide De L'utilisateur page 3

5 CONNECTING THE UNIT
CAUTION: A 5-micron filter (TSD800-6), not included, must be installed with the unit to
ensure proper air filtration.
1
2
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
3
4
Figure 2.0
5
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
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
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
6