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Installation and Maintenance 23
Figure 18
Shipping Spacer
Unit Isolation
Review the mechanical specifications and determine
the type of isolation to be used prior to removing the
shipping tie-downs. Remove the tie-downs only if the
factory provided isolation is to be used. If external
isolation is intended, review the portion of this
manual titled “External Isolation.”
Internal Isolation
The T-Series Climate Changer Fan section is
internally isolated. The unit ships with the internal
isolation base secured to prevent damage to the fan
and motor assembly during shipment. To activate the
isolation, remove the shipping tie-downs.
Shipping Tie-down Removal
There are four types of shipping tie-downs used to
secure the isolation base:
q Sizes 3 - 8 use a 3/8”x1” pipe. (See
Figure 18
.)
q Sizes 10 - 30, except plug fans, use washers with
a bolt. (See
Figure 18
.)
q Sizes 35 - 50, except plug fans, use a tie-down
bolt and shim. (See
Figure 18
.)
q Size 66 -100 and plug fans use a tie-down angle
and bolt. (See
Figure 19
.)
Tie-Down Removal, Sizes 3-8 Tie-Down Removal, Sizes 10-50
Spring
Tie-Down
Flat Washers
Flat Washer
Spring
Bolt
Bolt
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