Greenheck AX Pitch Protractor - Warning: Must be printed at 100% on either 11x17 (tabloid) or European Standard A3 paper size - Manual

0º
5º
10º
15º
20º
25º
30º
35º
ALIGN THIS EDGE PARALLEL TO FAN CASING EDGE
ALIGN THIS EDGE TO F
AN CASING AXIAL LINE
22º
Instructions:
•
Follow Blade Pitch Adjustment Pr
ocedur
e as outlined in the AX High Performance
Axial Installation, Operating and Maintenance Manual (Part #464664).
•
Align pr
otractor template edges to corr
esponding axes shown on Pitch Pr
otractor
(next page).
•
Place leading edge of the blade on the p
rotractor c
rosshair as shown
. Identify
cur
rent pitch by locating deg
ree line the trailing edge lies on. (Example
has
22º pitch).
•
Adjust blade to desir
ed angle while maintaining leading edge on the cr
osshair
. This
requir
es r
epositioning the pitch pr
otractor
.
•
Use a marker to trace blade pr
ofile on Pitch Pr
otractor or fan casing.
•
A
djust r
e
maining blades to the traced pr
ofile.
•
Tighten blades as dir
ected in the AX
High Performance Axial Installation, Operating
and Maintenance Manual (Part #464664).
•
Remove Pitch Pr
otractor fr
om fan casing.
Note
:
The blade outline
is for a counte
r-clockwise A
X
fan.
Clockwise model blades have trailing edge of the blade at the cr
osshair and leading edge on degr
ee line.
®
Pitch Protractor for Model AX
W
arning: Pitch Protractor for Model AX must be printed at 100% on either 11x17 (T
abloid) or European Standard
A3 paper size.