Vibrasystems SMSR-A-AF-AT Spring Vibration Isolator Seismic Restrained Instruction Manual

: June 9, 2024
: Vibrasystems

Table of Contents

SMSR-A-AF-AT Spring Vibration Isolator Seismic Restrained
References
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SMSR-A/AF/AT
Installation Instructions

SMSR-A-AF-AT Spring Vibration Isolator Seismic Restrained

Check each isolator’s model number against the information on the packing slip, before beginning installation.
Secure the isolatorʼs base plate (BP) to the equipment support structure – concrete foundation or metal frame, according to the equipment base’s drawings for the locations of the mounting holes. All bolts and anchor hardware must be a minimum of grade 2. If recommended by the manufacturer or installation engineer a higher grade, then follow their recommendation. All anchors must be installed according to the installation drawings and instructions.
Use a forklift, crane, or any other certiﬁed lifting machine to raise the equipment to be installed. Slowly lower the equipment on top of the isolators and make sure that the equipment’s base is perfectly aligned with the isolator’s top plate (BTP or WTP).

SMSR-AT
4a) When the equipment, which must be at the full operating weight, is placed onto the isolator, the isolator’s spring will be compressed according to the load vs. deﬂection chart for this model.
5a) Loose the restraint nuts (RN) to allow leveling of the top plate (BTP).
6a) Level each isolator in sequence by turning the leveling bolt (LB) a full clockwise turn at a time.
7a) After the leveling is done, run down the lock nut (N) to the equipmentʼs base.
8a) Adjust the vertical restraint nuts (RN) to allow a free movement of the installed equipment with an allowed gap from 1/8” to 3/16”.

SMSR-A & SMSR-AF
4b) Make sure that the top plates (WTP) are properly attached or welded to the equipment’s base. Welding to steel base is permitted provided the weld achieves the required strength.
5b) When the equipment, which must be at the full operating weight, is placed onto the isolator, the isolator’s spring will be compressed according to the load vs. deﬂection chart for this model.
6b) Loose the restraint nuts (RN) to allow leveling of the top plate (WTP).
7b) Level each isolator in sequence by turning the leveling nut (LN) a full clockwise turn at a time.
8b) Adjust the vertical restraint nuts (RN) to allow a free movement of the installed equipment with an allowed gap from 1/8” to 3/16”.

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