4.1.2 Foundation requirements
Precautions
WARNING:
Risk of serious injury or death in Ex-classified environments. If the pump is a Model NM3171,
NM3196, 3198, CV3198, 3298, V3298, SP3298, 4150, 4550, or 3107, ignition due to static
electric discharge is possible from plastic parts that are not properly grounded. If the pumped
fluid is non-conductive, drain and flush the pump with a conductive fluid under conditions that
will not allow for a spark to be released to the atmosphere.
Requirements
•
The location and size of the foundation bolt holes must match those shown on the assembly draw-
ing provided with the pump data package.
• The foundation must weigh between two and three times the weight of the pump.
• Provide a flat, substantial concrete foundation in order to prevent strain and distortion when you
tighten the foundation bolts.
• Sleeve-type and J-type foundation bolts are most commonly used. Both designs allow movement
for the final bolt adjustment.
Sleeve-type bolts
Item Description
1. Baseplate
2. Shims
3. Foundation
4. Sleeve
5. Dam
6. Bolt
Figure 17: Sleeve type bolts
4.1 Pre-installation
Model NM 3196 i-FRAME Installation, Operation, and Maintenance Manual 29
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