TOP HORIZONTAL FRONT
ARRANGEMENT SHOWN
(ASSEMBLED RIGHT HAND)
SIZES 07-26
NOTE: For any discharge position, install vane assembly to provide
control arm movement from closed to open in same direction as wheel
rotation. Locate IGVs in fan housing so that control arm is vertical
when pulled back toward jackshaft as far as control arm will travel.
TOP HORIZONTAL FRONT
ARRANGEMENT SHOWN
(ASSEMBLED RIGHT HAND)
NOTE: For any discharge position, install vane assembly to provide
control arm movement from closed to open in same direction as wheel
rotation. Locate IGVs in fan housing so that control arm is vertical
when pulled back toward jackshaft as far as control arm will travel.
SIZES 32-92
Fig. 78 — Scroll Assembly — Airfoil Fan With IGV
96