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SLRS SEISMIC ISOLATOR INSTALLATION AND ADJUSTMENT
1. Supports for mountings must be leveled to installation's acceptable tolerances.
2. Mountings not subjected to seismic or wind forces do not require bolting to supports.
3. Mountings subjected to seismic or wind forces must be bolted or welded in position.
4. If mountings are welded in position, remove lower friction pad before welding.
5. Set mountings with top channels held in place by the lower restraining nuts and limit stops.
6. Place equipment on mountings and secure by bolting or welding.
7. Hold lower restraining nut in place and turn vertical limit stop bolt counter-clockwise until there is a 1/8" gap
between the bolt head and the steel washer.
8. Turn adjustment bolt 8 turns on each mount.
9. Take one additional complete turn on each adjustment bolt in sequence until the top plate lifts off of the lower
restraining nuts. Take no additional turns on that mount. Continue with equal turns on the other mounts until the
top plates lift off of the lower restraining nuts of all mounts.
10. Hold the limit stop bolt in place and turn the lower restraining nut clockwise and tighten it against the stanchion.
Repeat the same procedure on all mounts.
11. Top plate should remain at a fixed elevation, plus or minus 1/8".
"D" Tap - 4 Holes unless
otherwise requested
Vertical Limit
Stops-Out of
contact during
normal operation
Rubber
Snubbing
Collar
Internal
Lower
Enclosed
Neoprene
Restraining
Steel
Acoustical
Nut
Housing
Pad
JOHNSON CONTROLS
TO INSTALL AND ADJUST MOUNTS
MBD -Max
Bolt
Diameter
Adjustment
Bolt
Non-Skid Neoprene Pad-
Pad can be removed if
mounts are welded
into position.
LIMIT STOP
BOLT
LOWER
RESTRAINING
BOLTS
SHIPPED & INSTALLED
FORM 201.21-NM1 (1223)
1/8"
1/4"
AFTER ADJUSTMENT
LD10568
129
6
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