Preparing Unit For Operation; Spring Isolated Fans - Daikin MPS015 F Installation And Maintenance Manual

Spring Isolated Fans

Moving machinery hazard. Can cause severe injury ordeath.
Before servicing equipment, disconnect power and lockoff.
More than one disconnect may be required to de-energizeunit.
Prior to operating the fans for the first time, refer to
Test, and Start Procedures on page
Releasing Spring Mounts
The spring-mounted supply fan is locked down with four
shipping bolts for shipment. Remove each shipping bolt before
operating the fans. Figure 18
with a height adjustment nut and a shipping bolt.After removing
the shipping bolts, rock the fan assembly by hand to check for
freedom of movement.
Adjusting Spring Mounts
During operation all fans should ride level. Level the fan
assembly by performing the following:
1 . Loosen the 3/8" cap screw (do not remove).
2 . Loosen the spring cap nut.
3 . Rotate the 5/8" adjustment nut counter-clockwise to raise
the fan assembly, or clockwise to lower the fan assembly.
4 . Tighten the 3/8" cap screw.
5 . Tighten the spring cap nut.
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WARNING
92 .
shows a typical spring mount
Figure 18: Spring Mounts
Check,
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