SECTION 7
HIGH PRESSURE WATER
Jan 2001
Page 7-7
05114624
6. Reinstall the cartridge retainer flange with its retaining (snap) ring. Before
assembly, lightly lubricate the follower and the seal assembly with food
grade grease. Slide plunger seal follower over plunger. Install plunger HP
seal assembly over plunger in the following order:
• Solid plastic backup ring against follower
• U-shaped seal and O-ring against backup ring
• J-shaped seal body and O-ring against U-shaped seal body. The open
side of the J-seal should face outboard (toward the sealing head).
7. Inspect the HP cylinder threads and apply High Purity Goop to the threads
and shoulder guides, then screw the HP cylinder into the hydraulic cylinder
head. Be sure to support the weight of the HP cylinder. As the HP plunger
seal goes into the cylinder, the cylinder will become difficult to rotate. Use
the special cylinder wrench to assist, as necessary.
8. Tighten the HP cylinder hand tight with the cylinder wrench, and then tap
the cylinder wrench with the hand’s palm to tighten.
9. Install bore liner into HP cylinder. The sealing head can now be installed
onto the HP cylinder (Section 7.2.2).
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