Great Plains NTA3007HD Operator Manual - Manual (Page 4)

4 Great Plains Manufacturing, Inc. Front Page Part Lists Contact Drive Update
166-367M Front Page Part Lists 02/21/2012
Dismount Output Sprockets
Refer to Figure 4
14. Relax the idler on the contact drive output chain
.
Lift the 144P chain off the 30T sprocket .
15. Remove and save 117P chain:
136-259D CHAIN RL #50 117 PITCHES
16. At the sprocket end of the shaft , drive out the roll
pin . This pin is not re-used.
17. Remove and save the first of two sprockets:
808-319C SPKT 50C30 X 7/8 HEX BORE
18. Remove and save any spacer washers (not shown):
804-061C WASHER MACH 1.50 X 1.00 X 18GA
in between the sprockets and the bearing.
Record the count here:
19. Remove and save the second of two 30T sprockets:
808-319C SPKT 50C30 X 7/8 HEX BORE
Remove Pivots and Arms
Refer to Figure 5
20. At the pivot shaft
, drive all inside roll pins .
Optionally remove the outside pin as well. These
pins are not re-used.
21. Remove the shaft . It is not re-used.
22. Remove six sets of lock nuts and round head
shank neck bolts ( ), four flangettes and two
spherical bearings . These are not re-used.
The bearings in the drive arms remain installed.
23. Remove and save one of:
166-201H CONTACT DRIVE WELDMENT RIGHT
166-205H CONTACT DRIVE WELDMENT LEFT
24. Repeat step 7 through step 23 for the left side.
Output Shaft Washer Count
Right
Left
Figure 4
Existing Drive Shaft
32066
65
2
68
56
68
51
2
68
51
56
65
68
64
64
68
Figure 5
Existing Pivot Bearings at Frame
32066
65
65
56
62
60
71
70
71
54
56 65
56
62
60 71
70
54
55