Great Plains NTA3007HD Operator Manual - Manual (Page 168)

164 NTA907HD or NTA3007HD
166-207M 04/04/2011
Refer to Figure 163
1.
To adjust marker extension, loosen two U-bolt
nuts
and slide arm tube in or out. Re-secure U-
bolts.
2. Re-check chain length (page 132).
3. Re-check marker extension when changing disk
angle or direction of throw (page 99).
Null4:
Marker Speed
There is one adjustment screw for unfolding speed
and one for folding speed
. You can identify adjustment
screws by markings stamped in valve body.
Turn adjustment screws clockwise ( : slower) to
decrease [un]folding speed and counterclockwise
(
: faster) to increase [un]folding speed.
With tractor idling at a normal operating speed, adjust
marker folding to a safe speed. Excessive [un]folding
speed could damage markers and void the warranty.
After adjusting the folding speed, tighten jam nuts on hex
adjustment screws to hold settings.
MetaData: End of Appendix B - Initial Setup
Null4:
Figure 163
Marker Extension Adjustment
18878
1
2
1 2
1 2
F
S
S
Null4:
Figure 164
Sequence Valve Adjustment
14048
1
2
S
F