Section 9
High Pressure Water System
20412997
8-2012/Rev 12
9-21
2. Disconnect the high and low pressure water piping, following the procedure, High and
Low Pressure Water Piping.
3. Remove the high pressure cylinder assembly, following the procedure, High Pressure
Cylinder Assembly Removal.
Figure 9-14: High Pressure Seal Removal
4. Apply Pure Goop to the threads on the high pressure plug and gland fitting. Thread the
plug and gland fitting into the discharge gland nut on the sealing head and hand tighten.
5. Position the cylinder assembly upright in the seal removal tool stand. If a tool stand is not
available, position the cylinder on a platform of wooden blocks with the jackbolts resting
on the platform.
Do not stand the cylinder assembly on the top pan of the machine. The assembly
is heavy and must be properly supported to prevent it from falling.
6. Fill the cylinder with water and slide the seal removal tool or a used plunger into the
bronze packing follower to ensure a good seal for the removal of the seal assembly.
7. Place a shop towel around the plunger or seal removal tool to avoid splash back. Use a
dead blow hammer to drive the removal tool or plunger into the cylinder until the seal
components move up and out of the cylinder.
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