Greenheck Adjustable Pressure Controller (468292) - Manual (Page 3)

6. Remove the E-clip[ from the linkage pin on the bottom blade and install the connecting link assembly with the
longest link towards the blade. Reinstall the E-clip onto linkage pin.
7. Place bottom end of connecting link assembly onto the 1/4 in. (6mm) diameter pin (item # 14) extending from APC
assembly crankarm (item# 4). Secure with E-clip (see item #13).
Adjustment
Manually open blades without tension on the adjustment spring. The crankarm should hit bottom inside the APC
bracket with blades open. The APC lever exerts a force up, or towards the blades to resist their opening. If the
crankarm strikes the bracket before the blades are open, loosen the 1/4-20 threadstuds and adjust the center
distance of the connecting link assembly, using slotted holes. Retighten.
Adjust set pressure by pulling back the release rod (item #3) and rotating the knob (Item #2) counterclockwise to
increase tension. Let go of the release rod to lock the knob in place.
Installation cont....
Copyright ©2013 Greenheck Fan Corporation
IOM 468292 APC Rev. 3 Jan 2013
7.625
4.50
5.50
Dimensions