Remove coulter swing arm, Dismount casting – Great Plains Frame-Mounted Coulters User Manual
Page 3
Great Plains Mfg., Inc.
Installation Instructions
3
02/28/2007
249-137M
Remove Coulter Swing Arm
8.
Remove and save one each:
PIN COTTER 1/4 X 2 PLT
WASHER FLAT 1 1/4 SAE PLT
9.
Remove and save one each:
NUT HEX JAM 3/4-10 PLT
NUT HEX FLANGE LOCK 3/4-10 PLT
SWING ARM BUSHING
FERT COULTER SWING ARM
10. If the existing coulter bushing:
BUSHING 1.50ODX1.25IDX2.94
happens to come loose, it is not saved or reused.
Dismount Casting
11. Remove and save two each:
NUT HEX 7/8-9 PLT
WASHER LOCK SPRING 7/8 PLT
HHCS 7/8-9X2 3/4 GR5
12. If any offset mount plate is present:
OFFSET COULTER MOUNT PLATE
note its orientation for re-installation.
13. Remove the old casting:
MACH.MOUNT CASTING COULTER
The old casting is not saved or reused, but it con-
tains a part that is reused.
14. Remove and save the spring rod from the casting:
COULTER SPRING ROD WLDMT
15. It may be necessary to remove the old zerk:
GREASE ADAPT 1/4-28M X 1/4 TB
in order to remove the rod. The zerk is not saved or
reused.
Figure 4
Remove Swing Arm
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52
68
67
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64
70
52
71
Figure 5
Remove Old Casting
26098
56
58
66
63
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66
51
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66
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