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RUSKA 2470
Users Manual
6-8
16. If lint becomes a problem a clean dry gas source can be used to blow the lint off of
the parts prior to assembly.
17. Install the thrust bearing around the bottom of the piston.
18. Install the retaining nut on the bottom of the piston and tighten by hand. Do not use
wrenches to tighten the nut.
19. Install the O-ring spacer and O-rings into the instrument base.
20. Install the assembly into the instrument base and test according to Chapter 6,
Functional Testing of Piston/Cylinder Assemblies.
Cleaning the High Range Piston/Cylinder Assembly
Cleaning supplies (refer to Figure 6-9) consist of:
• Solvent, such as high grade alcohol or acetone
• Low-lint paper wipers, such as Kimberly Clark, Kimwipes number 34155
• Retaining Ring Installation Tool, such as RUSKA part number 2-774
• Wooden applicator sticks, such as Puritan number 807-12
• Pin Vise such as RUSKA part number 90-870(1)
• Cashmere Bouquet brand hand soap
• Bottle brush, such as RUSKA part number 7-680
• Warm tap water
gmq32.bmp
Figure 6-9. Materials for Cleaning the High Range Piston Cylinder
1. Prepare a clean work area near a running tap water source.
2. Prepare several sets of folded wipers as shown in Figures 6-2 through 6-4. Two
wipers can be folded together for wiping the outside of the piston and cylinder.
Prepare several twisted wipers as shown in Figures 6-10 through 6-12 to wipe the
bore of the cylinder.
3. Disassemble the piston/cylinder assembly.
4. Insert the retaining clip from the bottom of the piston into the installation tool, rinse
with solvent and set aside.