Labconco Purifie Horizontal Clean Benches 38185 Series, 8' - Manual (Page 17)

Chapter 3: Getting Started
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Original Instructions
2. Select the height of the Telescoping Base Stand and slide four (4) leg
extensions into base stand corner posts and attach with 2.25" long bolt,
flatwasher, lockwasher and nut. Ensure that the same height hole is selected
for each leg. Tighten the leg bolts securely. See Figure 3-2.
3. Move the base stand into its final location. Using a carpenter’s level, adjust
each leveling foot until the stand is level in both planes as shown in Figure 3-3.
You are now ready to lift the clean bench onto its stand.
Figure 3-2
Figure 3-3