Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 4-153 P/N 196515 (Revision A)
Information Sheet 4-13-8
DJ-2000 Troubleshooting (Continued)
G. Fluid Not Escaping Through Nozzle
Possible Cause Recovery
Micrometer or Preload screw
is tightened all the way down
Adjust the Micrometer to the proper setting.
Cutout windows in extension
not aligned with fluid ports in
the lower body
Perform Disassembly and Cleaning procedure in
Valve Operations Manual. Check that cutouts are
aligned.
Fluid air pneumatic or main
air regulator not connected
Check fluid air and main air pneumatics; tighten
connections if necessary.
H. Fluid Leaking Through Hole In Extension While Not Dispensing
Possible Cause Recovery
Air piston seal may be worn
out, damaged, or may have
slipped out of position
Replace or adjust air piston seal. Refer to “Replacing
the Air Piston” and “Adjusting the Air Piston” in DJ-
2000 Operations Manual.
Extension seat may be
broken
Replace needle and extension. Refer to DJ-2000
Operations Manual.
I. Fluid Leaking Through Weep Hole On Sides Of Upper Body
Possible Cause Recovery
Worn needle
Inspect the needle for wear and replace if necessary.
Refer to “Replacing the Needle and Extension” in
Valve Operations Manual. (Excessive wear will
appear as a polished, indented band around the
middle of the needle, where it meets the U-cup seal.)
No lower seal or damaged
seal
Install a new seal using the following steps:
Refer to the procedure “Cleaning the DJ-2000” in DJ-
2000 Operations Manual.
Complete the procedure “To remove the DJ-2000
from the dispensing system.”
Follow the procedure “To disassemble and clean the
DJ-2000” through Step 16. (You can skip Step 4, the
nozzle cleaning process.)
Follow the procedure “To reassemble the DJ-2000.”
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