Great Plains 1005NT Assembly Instructions - Manual (Page 12)

10 7ft and 10ft EWNT Small Seeds Great Plains Manufacturing, Inc.
123-535M 06/02/2008
Install Jackshaft Assembly
Refer to Figure 8
37. Select one new:
123-509S EWNT SGS JACKSHAFT SUB-ASSY
and 4 sets new:
802-079C HHCS 3/8-16X1 1/4 GR5
804-012C WASHER FLAT 3/8 SAE PLT
804-013C WASHER LOCK SPRING 3/8 PLT
803-014C NUT HEX 3/8-16 PLT
38. If the drill is equipped with fertilizer, temporarily dis-
connect the left two hoses. They are reconnected at
step 52.
39. Position the drive assembly at the extreme left and
front edges of the walkboard . The location must
meet these two requirements:
a. The 27T input sprocket (lower right front, not visi-
ble in Figure) aligns with the 15T Small Seeds
drive sprocket on the clutch shaft. See Figure 12
on page 12.
b. At least four mounting plate holes align with walk-
board traction holes.
40. Insert four bolts , two in the front rank of holes
and two in the back. Loosely secure with flat wash-
ers
, lock washers , and nuts .
Install Chains
Meter Drive Chain
Refer to Figure 9 (gray arrows show chain direction)
41. Select one new:
136-110D CHAIN RL #40 100 PITCHES
Open the chain if the ends are connected.
42. Route the opened chain around the 10T jackshaft
output sprocket, and in front of the 12T jackshaft
idler sprocket.
43. Route the chain over the 27T meter shaft input
sprocket.
44. Connect the chain ends. Follow the chain clip orien-
tation recommendation in Figure 22 on page 23.
Figure 8
Mount Jackshaft Assembly
10922
U
D
L
R
B
F
1
198 188
160
194
192
198
188
160
194
192
1
188
160 194 192
Figure 9
Meter Drive Chain
10949
200
200
U
D
B F
198
199
200