
57" Assembled & Unassembled Direct Drive Endura® Fan
Installation
19
Check Blade Tip Clearance
Door Spring Installation
Spin the Blade by hand and check that there is
minimum of 1/8" [3 mm] Clearance from the
Shroud all the way around orifice.
If Clearance is insufficient, check that the
mounting surface is flat, and that the sides of
the Shroud are straight. To Gain more Tip
Clearance, remove the Lag Screws from the
side with inadequate clearance, push out on the
Shroud orifice.
(Push only on the inner most
2" [5.08 cm] of the Shroud or damage could
occur)
Re-install Lag Screws in new holes.
Push only on inner most
2" [5.08 cm] of Shroud
1/8" [3mm]
Minimum
Door Springs
Rounded end of Springs attached to Eyehook
Elongated end of Spring
attached to Door Hole