Great Plains NTA3007HD Operator Manual - Manual (Page 8)

8 Great Plains Manufacturing, Inc. Front Page Part Lists Contact Drive Update
166-367M Front Page Part Lists 02/21/2012
Re-install Contact Drive Arms
Start with the right side of the implement. Two workers
may be needed due to parts that are held in alignment
for shaft insertion.
Install New Pivot Shaft
Refer to Figure 14
46. Select two new:
188-006V BEARING .880 HEX BORE 205DD
Insert and seat one bearing at each of the pivot
tubes . The orientation groove is to the inside of
the tube . The raised face of the inner race is to
the outside of the tube.
47. Select one new:
266-296D CONTACT WHEEL PIVOT SHAFT
48. Select the saved:
166-201H CONTACT DRIVE WELDMENT RIGHT
166-205H CONTACT DRIVE WELDMENT LEFT
depending on the side being worked on.
49. Select one each new:
402-266D 7/8 HEX SHAFT SPACER TB X 9
Note: Make sure that the arms are above the new down
stops (not shown) before the next step.
50. Hold the spacer tube against the inside face of
the inside arm bearing . Bring the existing arm
bearings into alignment with the new bearings .
From the inside, insert the shaft through the exist-
ing bearing, spacer tube and both pivot tube
bearings
.
51. Select one new:
804-061C WASHER MACH 1.50 X 1.00 X 1
Slide this washer between the outside pivot tube
bearing
and the outside arm bearing , Slide the
shaft through the washer and the outside arm
bearing .
52. Select the number of saved:
804-061C WASHER MACH 1.50 X 1.00 X 18GA
per the “Output Shaft” table (page 4) for the side of
the implement being worked on. Place these on the
inside end of the shaft.
53. Select two saved 30T sprockets:
808-319C SPKT 50C30 X 7/8 HEX BORE
Place them on the inside end of the shaft
54. Select two:
805-180C PIN ROLL 1/4 X 1 1/2 LG PLT
Drive the pins through the ends of the shaft.
55. Repeat step 46 through step 54 for the left side.
Figure 13
Bearing Orientation
32104
12
14
7
8
12
12
14 7
14 8
15
54
55
16
Figure 14
Pivot Tube and Bearings
29379
14
12
12
15
18
16
54
70
17
70
68
64
68
16
70
70 12
15
12
17
12 70
15 17
70
64
68
15
18