VALCO MELTON D-90, Manual

Page: 93 / 150

7-4 Valco Melton
Section 7 – Maintenance MM125 - D-90 Hot Melt Unit
1. Turn off the D-90 pumps.
WARNING! WARNING! WARNING! WARNING! WARNING! Make sure pressure gauge reads 0 psi. 0 psi. 0 psi. 0 psi. 0 psi.
Make sure the manifold is up to temperature.
Replacing the
Manifold Filter
The procedure for replacing the
manifold filter is similar to that of
replacing the Inlet Filter.
2. Use a 3/4” wrench to loosen the filter cap, rotating it, slowly,
counter-clockwise.
3. Use a rag or towel to remove debris buildup on the filter screen,
or replace the screen as follows:
WARNING! WARNING! WARNING! WARNING! WARNING! Wear heat-resistant gloves and safety glasses when
performing this procedure.
a. Remove the screw at the bottom.
b. Pull the screen out.
4. Check the condition of the filter assembly O-rings. Replace them
if necessary (refer to
Section 10 - Part Numbers List).
5. Insert the clean filter back into the block.
6. Tighten the filter cap.
Figure 7-3. Replacing the Manifold Filter