3. A
SSEMBLY
W
ESTFIELD
- G
RAIN
A
UGERS
3.9. E
LECTRIC
M
OTOR
D
RIVE
(EMD) G
EARBOX
WR 60/80/100 X 26’ - 71’ EMD M
ODEL
24
30255 R3
3.9. Electric Motor Drive (EMD) Gearbox
The EMD auger uses one of three gearbox assembly combinations depending on the
size of the auger. The assembly is shipped with the appropriate mounting plate or
gearbox mount and chain coupler in place.
Gearbox mounting
procedure for the
following augers:
• 6”-8” x 26’
• 6”-8” x 31’
See Figure 3.7.
1. Remove
chain
and
secure half of the chain
coupler to the driveshaft
using a Woodruff key.
2. Place
gearbox
assembly
on auger tube leaving a
minimum 1/16” (1.6 mm)
clearance between
chain coupler sprockets.
Maintain a minimum 1/16”
(1.6 mm) clearance between
chain coupler sprockets.
3. Secure
gearbox
assembly to auger tube
with half tube clamps
and four
7/16” x 1" bolts and
locknuts.
The gearbox input on all 26’ and 31’
augers (excepting the 10" x 31’) is
located on the left side of the auger.
Gearbox mounting procedure for
the following augers:
• 6”-8” x 36’
• 6”-8” x 41’
• 8” x 46’
• 6”-8” x 51’
• 6” x 61’
See Figure 3.8.
1. Remove chain and secure half
of the chain coupler to the
driveshaft using a Woodruff key.
2. Place gearbox assembly with
mounting plate onto the
mounting bracket welded to
lower tube and secure with four
7/16” x 1" bolts and locknuts.
Figure 3.7
Important:
Figure 3.8
Note: