Maintenance
5-5
Part 1128350_02
E 2020 Nordson Corporation
Lubricating the Pump
1. Switch the melter Off.
2. Remove the pump covers, and then disconnect the air inlet line. See
figure on the left for the air inlet line l ocation.
NOTE: For instructions on how to re move the pump covers, refer to
steps 1 - 3 in Remove the Pump from the Melter (All Pumps) in SP Pump
Diagnostics and Repair (Appendix B).
3. Place 3 - 4 drops of lubricant in the air inlet e lbow. Use only SP
Lubricating Oil, P/N 1120290.
4. Reconnect the air line.
5. Open the drain valve and operate the pump at high speed for
10 - 15 seconds.
6. Close the drain valve and resume normal operation.
7. Reinstall the pump covers.
Service Kit
For a complete listing of pump-related parts, refe r to the SP Pump
Diagnostics and Repair (AppendixB)andforservicekitsseeService Kits
under Parts (Section 8).
Replacing the Filter
Instructions for replacing the filter are a lso provided on the inside of the pump
enclosure door.
1. Relieve the system pressure. Refer to Relieving S ystem Pressure at the
beginning of this section.
2. Use a 16 mm hex wrench or an adjustable wrench to loosen
(counterclockwise) and then remove the filter.
3. Properly dispose of the old filter.
4. Confirm that t he O-ring on the new filter is in good condition.
5. Screw the filte r into the pump body and then tighten the filter to
4.5 Nï‚·m (40 in.-lb).
6. Reinstall the front panel cover of the melter by refastening the four
latches.
7. Resume normal operation.
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