Manual

26 Maintenance and Service
CAUTION! To prevent damage to the extension seat, verify that the micro-adjustment is
opened 4 to 6 turns counterclockwise.
3. Install the seat extension and heater as follows:
a. If needed, apply conductive grease on the seat extension shaft.
 Make sure not to put grease on the threads.
b. Rotate the seat extension into the heater to spread the conductive grease evenly and
prevent the formation of trapped-air pockets.
c. Carefully, install the large o-ring on the seat extension.
d. Align the dowel-pinhole on the seat extension to face toward the backside.
e. Install the seat extension/heater to the upper body using the two hex head screws and the
7/64-inch hex key to tighten the screws.
4. Install the micro-adjustment.
5. Install the elbow connector into the lower body of the DispenseJet. The elbow connector should
face upward.
6. If removed, install the co-axial air solenoid valve and the co-axial air nozzle nut. Refer to the
instructions in the Installation section.
7. Reinstall the DJ-2200 as described in “Installing the DJ-2200” in the Installation section.
Complete Overhaul Service
This procedure is intended to remedy problems identified in the “Troubleshooting” section; such as the need
to replace damaged or worn parts or to restore the functionality of the DispenseJet by a thorough cleaning
after continuous long production runs.
The following is covered in the Complete Overhaul Service:
• Disassembly of the DispenseJet
• Inspection and cleaning of disassembled parts
• Reassembly of the DispenseJet
• Settings and adjustments

NOTE For removal of DispenseJet from dispensing system and for initial disassembly of DispenseJet
components, follow instructions under “Purging the DispenseJet” earlier in this section. The
only steps described here are additional disassembly, inspection, cleaning, and re-assembly.
Tools and Material Needed
Use the same list of tools and material listed under “Purging the DispenseJet” earlier in this section.