Wheatheart GHR 80/100 x 31-71ft Augers EMD - Manual (Page 35)

W HEATHEART - G RAIN A UGER EMD 3. A SSEMBLY
GHR 80 X 31’-71’ & 100 X 31’-71’ 3.12. M OTOR / M OTOR M OUNT
30642 R0 35
Figure 3.29
4. Attach pulley guard
backplate to pulley
guard bracket with
two 1/4” x 1/2” bolts
and whiznuts
(Figure 3.30). Leave
bolts / nuts loose to
be tightened later.
5. Slide 13" pulley
onto gearbox shaft
with the pulley hub
facing the gearbox.
Insert a 1/4” x 1-1/2”
square key and
tighten set screws.
¨
• The 8” x 56’, 61’, and 71’ augers and all 10” augers require a 15” triple
groove pulley.
6. Slide drive pulley onto motor shaft. Insert a 1/4” x 1-1/2” square key and
tighten set screws.
Note: The correct pulley size (based on a 1750 rpm motor) is as follows:
Figure 3.30
AUGER SIZE PULLEY DIAMETER
8” to 51' 7.0" (178.0 mm)
8"x 56’, 61’, and 71' 4.5" (114.0 mm)
All 10” 4.5" (114.0 mm)