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Figure 1: Vibration warning
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—Improperly installed suspension type machines
can “walk” out of position during extract, endangering personnel and damaging equipment.
• Roughen floor. Install anchor bolts and grout under all base pads to prevent “teeter-totter”
and sideways movement.
• Remove shipping restraints after machine is in place. Failure to remove all restraints
(usually painted red) will cause malfunctions and damage. Restraints may be located
behind access covers. These include, but are not limited to:
• Cylinder hold-down bolts, brackets, straps and/or blocking. Replace all fasteners which
are part of the machine structure.
• Vibration safety switch restraint
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To protect against lateral creeping of the machine during operation (due to vibration), roughen the
area of the floor where the grout will be applied. Anchor bolts are required.
1. With the machine near the final location, unbolt the shipping skids. Observing all
precautions, lift the machine off its skids and lower the machine onto blocking. Shim the
blocking until the machine is level and approximately l" (25) clearance exists under each base
pad. Install anchor bolts as shown on the dimensional drawing, but do not tighten bolts until
grout is completely dry.
2. Apply grout between the existing foundation floor and the base pads, observing the following
considerations:
• Use only industrial strength non-shrinking grout. Pack or trowel by hand.
• If the grout after mixing is too thin (causing it to flow from under the base pads) install
temporary cardboard framing around pads to retain the grout until it cures.
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—Voids under the base pads can
magnify vibration and cause unsatisfactory operation.
• Grout must displace total clearance between base pads and existing foundation floor.
• Voids must not exist.
3. Tighten anchor bolts evenly using only one-quarter turn on each bolt before moving to the
next one. While tightening, frequently skip from front to back and right to left to insure
uniform tension. After tightening all bolts, check each bolt at least twice during the first week
of operation.
23
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