Repair
6-5
Part 104373
−
03
E
2015 Nordson Corporation
Packing Gland Rebuild
NOTE:
Only packing glands containing spring-loaded seals or U-cups,
used on solventborne, waterborne, EPR, and abrasive-resistant pumps can
be rebuilt. TFE/leather packing glands used on general finishing pumps
cannot be rebuilt.
Rebuild both packing glands at the same time.
1. See Figure 6-4. Remove the retaining ring (6), spacer (5), U-cup or
seal (4), and bearing (3) from the housing (1).
2. Remove the two O-rings (2) from the housing. Discard the the old parts.
3. Lubricate and install new O-rings (2) on the housing.
4. Install the new bearing, U-cup or seal, and spacer in the housing in the
order shown.
NOTE:
The open end of the U-cup packing or seal must face the
spacer.
5. Install the retaining ring with the sharp edge away from the spacer.
1
3
4
5
6
2
6
4
5
3
1
Figure 6-4
Packing Gland Rebuild
1. Packing gland housing
2. O-rings
3. Bearing
4. U-cup packing or seal
5. Spacer
6. Retaining ring