Service
7-13
Part 1120130
E 2011 Nordson Corporation
8. See Figure 7‐8. Remove the pump screws (3) and then remove the pump
(2) and O‐rings (1).
440300046
1
2
3
1
2
3
Figure 7-8 Replacing a pump (single-stream and dual-stream pumps shown)
1 O‐rings 2 Pump 3 Pump screw
9. Clean the surface of the manifold where the pump mates to it.
10. Allow the melter to cool to room temperature.
11. Install the pump coupling hub on the pump shaft, ensure that it is flush
with the pump shaft, and tighten the hub set screws.
12. Apply O‐ring lubricant to new pump O‐rings and install them on the pump.
13. Apply anti‐seize lubricant to the pump screws and secure the new pump
to the manifold with the screws. Use a torque wrench to tighten the
screws in a criss‐cross manner to 25NSm(222 in.‐lb).
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