Repair
6-4
Part 104373
−
03
E
2015 Nordson Corporation
b. Perform these steps if the packing glands remain in the
hydraulic
housings:
Insert a 6-mm (
1
/
4
-in.) diameter rod or screwdriver through the holes
in the side of the packing glands.
Twist and pull the packing glands out of the housings.
Packing glands can be replaced with new ones. Packing glands with
U-cups or spring-loaded seals can be rebuilt as described in
Solventborne,
EPR, or Waterborne Packing Gland Rebuild
1
4
2
3
1
5
Packing Gland in Solvent Housing (Step 5a)
Packing Gland in Hydraulic Housing (Step 5b)
Removing Packing Glands
1. Packing gland
2. Solvent Chamber
3. Plunger
4. Packing gland tool
5. Hydraulic housing
6. Inspect the plunger (3) for wear. If it is worn or damaged replace it as
described in
Plunger Replacement
7. Install a new packing gland:
a. Lubricate the new packing gland O-rings and the plunger with O-ring
grease.
b. Install the packing gland on the plunger and press it up into the
solvent chamber.
8. To continue rebuilding the hydraulic section, go to
Plunger Replacement
or
Siphon- or High-Pressure Ball Check Valve Rebuild
in this section.
To return the pump to service, perform the following step.
9. Install the hydraulic housings over the plungers and packing glands.
Use the screws, lockwashers, and washers to secure the housings to
the solvent chamber. Tighten the screws to 20
−
27 N
S
m (15
−
20 lb-ft).