Great Plains 2007HD Update Installation - Manual (Page 66)

166-370M Table of Contents Index 05/25/2011
62 NTA607HD or NTA2007HD Table of Contents Index Great Plains Manufacturing, Inc.
Update Markers
If markers are not installed on this air drill, continue at
“Update Coulters” on page 65.
Start with the left marker.
Remove Tension Spring
Refer to Figure 99
351. At the marker tension spring
, loosen the lower
jam nut . Disconnect the spring from the spring
holder . Leave the top jam nut undisturbed, so
that at re-installation, the spring tension remains at
the current setting.
Note: See the drill Operator manual for adjusting spring
tension.
Release Swing Pivot
Refer to Figure 100
352. Remove and save one set:
803-342C NUT HEX TOP LOCK 1/2-13 PLT
802-130C HHCS 1/2-13X2 1/2 GR5
SFM-8666 HAUKAAS SPRING HOLDER SFM
Release Cylinder
353. At the rod end of the cylinder , remove and save:
805-104C PIN COTTER 3/16 X 1 1/2 PLT
804-029C WASHER FLAT 1 SAE
Remove Arm
354. Attach a hoist to the arm assembly . Lift it off the
pivot frame . Rest the arm on the implement
wing to avoid needing to disconnect hydraulics.
Figure 99
Marker Tension Spring
31198
178
239
238
232
239
178
238
Figure 100
Release Wing Pivot
Q0130
238
171
182
239
233
191
195
237
236
182
171
238
233
195
191
237
236