Nordson_EFD_P-Jet_SolderPlus_Operating_Manual.pdf - 第34页
Liquidyn P-Jet SolderPlus Jet Valve 34 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide. Service (continued) Assemble the V alve (After Cl…
Liquidyn P-Jet SolderPlus Jet Valve
33www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
2. • Use the pipe cleaners from the cleaning kit to clean
the disassembled components (luer lock adapter,
nozzle retaining nut, nozzle, fluid body, and the tappet
if needed).
3. • Use compressed air to clear any remaining cleaning
fluid from the parts.
CAUTION
Do not damage the holes on the sealing faces of the
material carrying components.
• Examine the cleaned components for any remaining
residue (especially the nozzle, which should be
examined under a microscope).
• If the parts are still contaminated, repeat the cleaning
process.
Service (continued)
Clean the Valve Components (continued)
Assemble the Valve (After Cleaning)
Follow this procedure to assemble a valve after cleaning it. You will need the following items:
• Hex wrench, size 10
• Hex wrench, size 2.5
• Nozzle
• Nozzle retaining nut
• O-rings and barrier grease
• Wooden pick
• Optional: Heater key (if installing a nozzle heater)
NOTE: The steps provided in this manual are based on a valve with a syringe barrel.
1. • Using a wooden pick, apply a small amount of barrier
grease at the base of the tappet and distribute this around
the annulus.
NOTE: When dispensing instant adhesive
(cyanoacrylates), Nordson EFD recommends petroleum
jelly for use as the barrier grease. Contact Nordson EFD
for assistance in dispensing cyanoacrylates.
2. • Install a new O-ring (standard material: NBR) on the
tappet and press the O-ring down into the greased
annulus.
• Distribute the grease evenly so that the entire sealing
surface of the O-ring is covered.
• Install the second new (grease-free) O-ring on the tappet
on top of the initial O-ring.
Continued on next page
Liquidyn P-Jet SolderPlus Jet Valve
34 www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
Service (continued)
Assemble the Valve (After Cleaning) (continued)
3. • Mount the fluid body precisely over the tappet without
tilting it. Tighten the screws crosswise.
Torque: 0.8 N•m (5.9 ft-lb) maximum
• Optional: To use a different tappet, go to “Change the
Fluid Body or Tappet (Optional)” on page16. Return
here to continue.
4.
CAUTION
If using the P-Jet SolderPlus valve in a solder paste
dispensing application, refer to “Appendix C, Special
Instructions for Solder Paste Dispensing” on page47
for steps that apply only to solder paste dispensing.
• Install the nozzle.
5. • Recommended: Install a nozzle heater.
NOTE: The nozzle heater is an optional component;
however, it is included as a step in this manual because
most solder applications require a nozzle heater.
NOTE: The nozzle is only minimally secured by a nozzle
heater. The nozzle is fully secured by the retaining nut.
6. • Position the nozzle retaining nut in the nozzle heater and
then use the heater key to tighten the nozzle retaining nut.
7. • By hand, thread the luer lock adapter loosely onto the
fluid body, positioning it at a 15° angle from its end
position.
• Tighten the nut with a wrench so that the adapter is
parallel to the straight axis of the valve.
Torque: 5 N•m (3.7 ft-lb) maximum
~15°
Continued on next page
Liquidyn P-Jet SolderPlus Jet Valve
35www.nordsonefd.com info@nordsonefd.com +1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
Service (continued)
Assemble the Valve (After Cleaning) (continued)
8. • Mount the syringe barrel holder.
9. • Install the syringe barrel and syringe barrel adapter.
• Mount the valve and restore the system to normal
operation.
Part Number
Part # Description
7825923 Liquidyn P-Jet SolderPlus actuator
Solder Paste
Nordson EFD’s comprehensive line of ISO-certified solder paste solutions include high quality printing and
dispensing soldering pastes that meet the most stringent application requirements. Visit www.nordsonefd.com/
SolderPlusPaste for details or to request a free sample.