Nordson Spectrum VT Feed Center, Product Manual

Page: 68 / 105

Repair
7-4
Part 1611362 − 01
E 2018 Nordson Corporation
Injector Replacement
Tools Required:
S
Wrench
S
Extraction Tool
NOTE: These tools are optional and must be ordered separately. Refer
to the Parts section for part numbers.
See Figure 7-3.
1. Unscrew the injector adapter (4) from the pump body (2) with a wrench.
2. Insert the extraction tool (1) into the injector (3) and rotate it clockwise to
hook the injector spider as shown. Turn the extraction tool clockwise
while pulling on it to remove the injector from the pump body (2).
3. Inspect the injector (3), injector adapter (4), and all four O-rings (5, 6) for
wear or damage. Replace any damaged or worn parts.
4. Install two O-rings (6) onto the injector (3), then press the injector into
the pump body (2), making sure the injector nozzle is pointing toward
the output end of the body. The extraction tool (1) can be used to seat
the injector fully into the bottom of the pump body core.
5. Inspect the loose O-ring (6) and make sure it is not damaged or twisted.
Insert it into the pump body (2) and seat it against the injector (3). The
end of the extraction tool (1) can be used to make sure it is seated
correctly.
6. Make sure the larger O-ring (5) is installed on the injector adapter (4).
Screw the injector adapter into the pump body (2) and tighten it snugly
with a wrench.