PreParInG UnIT for oPeraTIon
Spring Isolated Fans
WARNING
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 rst time, refer to Check,
Test, and Start Procedures on page 92.
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 shows a typical spring mount
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.
Figure 18: Spring Mounts
PreParInG UnIT for oPeraTIon
www.DaikinApplied.com 21 IM 1058-8 • MAVERICK II ROOFTOP SYSTEMS
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