York YLAA0285SE, Manual

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125
JOHNSON CONTROLS
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
SECTION 5 – TECHNICAL DATA
55
ONE INCH DEFLECTION SPRING ISOLATORS INSTALLATION INSTRUCTIONS
LD13790
1. Read instructions in their entirety before beginning
installation.
2. Isolators are shipped fully assembled and are to be
positioned in accordance with the submittal draw-
ings or as otherwise reccomended.
3. Set isolators on floor, housekeeping pad or sub-
base, ensuring that all isolators centerlines match
the equipment mounting holes. The VMC group
reccomends that the isolator base (“B”) be installed
on a level surface. Shim or grout as required, level-
ing all isolatorbases to the same elevation (1/4-inch
maximum difference can be tolerated).
4. Bolt or anchor all isolators to supprting 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 isolators,
one at a time.
8. Continue adjusting each isolator until a minimum of
1/4" clearance is achieved between the lower hous-
ing and upper housing. (See drawing below).
9. Fine adjust isolators to level equipment.
10. Installation is complete.
FIG. 53 – ONE INCH DEFLECTION SPRING ISOLATORS INSTALLATION INSTRUCTIONS