Great Plains 3N-4025P Operator Manual - Manual (Page 95)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 91
2014-01-29 Table of Contents Index 196-538M
To adjust the row cleaner:
1. Determine the height adjustment required. Measure
from the lowest tine to the ground. Determine the
desired new measurement.
2. Support most or all of the weight of the arm to
prevent injury and ease the adjustment. Loosen
bolts
on UMC-RC. Remove bent pin on UMRC.
3. Support arm at desired height.
4. UMRC: Slide adjustment tube until cross-tube
contacts arm at target height. Insert bent pin in
whichever hole pair is most in alignment.
5. UMC-RC: Slide the down-stop on the arm :
- back toward the pivot for shallower cleaning, or
- forward toward the tines for deeper cleaning.
Tighten the bolts
. Each possible hole pairing
adjusts the tine height by about
3 ⁄
4
inch (19 mm).
6. Check the new height measurement.
Refer to Row Cleaner manual 204-085 m-A for further
information on use, adjustment and maintenance of row
cleaners.
Implement Lift Switch Adjustment
Refer to Figure 118
A switch
on the drill turns seed metering off (via the
electric clutches) when the drill is raised. To adjust the
height at which seed metering stops, follow these steps.
1. Do not place any part of body under implement while
making adjustments.
2. Locate the lift switch on the left hand rockshaft.
3. Lower the implement until it is at a height where
seeding should start (usually just above the ground).
Securely support frame at this height with jack
stands or blocks.
4. Turn off the tractor and remove the key.
Figure 117
UMC-RC: Row Cleaner Adjust
27343
6
4
5
5 2
1 3
2
6 4
5
Figure 118
Implement Lift Switch
20303
1
1