Nordson PURBlue EC - Detaching Pump

Repair
7-4
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Detaching Pump
NOTE: Detach the pump only when the material is soft
(approx. 70 °C/158 °F, depending on material).
1. Close tank isolation valve.
2. Turn the Cardan joint until the two setscrews (5) on the pump side are
accessible.
3. Loosen the setscrews on the pump side.
4. Place a container under the pump to collect any material left.
5. Detach the pump (1).
6. Clean sealing surface on the plate. If necessary, heat material residue
with a hot air fan, then remove.
7. Allow melter to cool to room temperature.
Fig. 7-3
Attaching Pump
NOTE: The pump may only be attached when the melter is cold.
The sealing surfaces on the plate and the pump must be clean. Always
replace O-ring(s).
1. Apply high temperature grease (Refer to section Maintenance,
Processing Materials) to the new pump.
2. Apply high-temperature grease to the fastening screws and O-rings.
3. Tighten the fixing screws crosswise using a torque wrench; tighten only
when the tank is cold. Torque: 25 Nm / 220 lbin
4. Fasten the pump shaft to the Cardan joint using the two setscrews.
5. Heat melter to operating temperature and open tank isolation valve
again.