JOHNSON CONTROLS
97
SECTION 5 – TECHNICAL DATA
Form 150.63-NM9
Issue date: 5/20/2021
5
One inch deflection spring isolators installation instructions
LD13790
1. Read instructions in their entirety before begin-
ning installation.
2. Isolators are shipped fully assembled and are to be
positioned in accordance with the submittal draw-
ings or as otherwise recommended.
3. Set isolators on oor, housekeeping pad or sub-
base, ensuring that all isolator centerlines match
the equipment mounting holes. The VMC group
recommends that the isolator base (“B”) be in-
stalled on a level surface. Shim or grout as re-
quired, leveling all isolator bases to the same
elevation (1/4 in. maximum dierence can be tol-
erated).
4. Bolt or anchor all isolators to supporting structure
utilizing base slotted holes (C).
5. Place equipment on top of isolators making sure
that mounting holes of the equipment line up with
isolator positioning pin (“H”).
6. The adjustment process can only begin after the
equipment or machine is at its full operating
weight.
7. Adjust each isolator in sequence by turning spring
adjusting bolt (“D”) one full counterclockwise
turn at a time. Repeat this procedure on all isola-
tors, one at a time.
8. Continue adjusting each isolator until a minimum
of 1/4 in. clearance is achieved between the lower
housing and upbeforehousing. See the following
gure.
9. Fine adjust isolators to level equipment.
10. Installation is complete.
Figure 35 - One Inch Deflection Spring Isolators Installation Instructions
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