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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
Summary of Contents for D-90
Page 29: ...4 5 ValcoMelton Section 4 Installation MM125 D 90 Hot Melt Unit Electrical Panel ...
Page 49: ...5 10 Valco Cincinnati Inc Section 5 Setup MM125 D 90 Hot Melt Unit Set Language Continued ...
Page 50: ...5 11 Valco Cincinnati Inc Section 5 Setup MM125 D 90 Hot Melt Unit Set Temperature Units ...
Page 56: ...5 17 Valco Cincinnati Inc Section 5 Setup MM125 D 90 Hot Melt Unit Ready Delay Time Continued ...
Page 73: ...5 34 Valco Cincinnati Inc Section 5 Setup MM125 D 90 Hot Melt Unit Sequential Start Valve ...
Page 146: ...C 2 ValcoMelton Appendix C Schematics MM125 D 90 Hot Melt Unit 240V 3Ø 029XX435 ...
Page 147: ...C 3 ValcoMelton Appendix C Schematics MM125 D 90 Hot Melt Unit 240V 3Ø 029XX435 ...
Page 148: ...C 4 ValcoMelton Appendix C Schematics MM125 D 90 Hot Melt Unit ...
Page 149: ...C 5 ValcoMelton Appendix C Schematics MM125 D 90 Hot Melt Unit ...
Page 150: ...C 6 ValcoMelton Appendix C Schematics MM125 D 90 Hot Melt Unit ...