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Great Plains Mfg., Inc.
Installation Instructions |
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Contact Drive Wheel Update Kit
Yield-Pro Ground Drive Planters
Used with:
•Pre-2007 12and 16-row Yield-Pro Planters with ground drive
General Information
These instructions explain how to install the Contact Drive Wheel Update Kit. This feature is now standard on new products, and is available as an upgrade to provide more consistent ground-drive performance in unusually challenging conditions.
These instructions apply to:
401-462A Contact Drive Wheel Update Kit
Before You Start
Each kit converts an entire planter. Inventory the contents per the “Parts List” on page 4. You may want to check tire pressure on the new tire before installation.
Raise and fold the planter. Install lift cylinder locks
Note: Although this update can be performed with the planter unfolded, it is much more complicated that way. These instructions assume a folded planter.
If necessary, move the implement to a dry well-lighted location suitable for disassembly.
Park and secure the implement. Secure the tractor if left connected. Disconnect any hydraulic and electrical power to the implement.
“Left” and “Right” are facing in the direction of machine travel.
Have the following tools at hand:
•Basic hand tools (including an assortment of roll-pin punches)
Also have an assistant for the wheel assembly portion of this upgrade. Removing the old wheel and installing the new wheel is not easily done by one person.
Installation
Install New Sprocket
The contact drive wheel sprocket to be replaced is located at the center of the planter, beneath the peak of the overhead frame tubes.
Refer to Figure 1
1.Loosen idler , and lift the drive chain off the old sprocket .
Figure 1 |
25146 |
Remove Old Sprocket
©Copyright 2006 |
Printed 12/21/2006 |
401-465M |
Great Plains Mfg., Inc.
2 Contact Drive Wheel Update Kit
Refer to Figure 2 |
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2. |
Drive out the roll pin that attaches the right side |
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drive shaft U-joint to the center drive shaft . |
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Save the pin, unless also performing the drive shaft |
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update. |
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3. |
Slide the U-joint off the right end of the center |
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shaft . |
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4. |
If a second pin is installed outside the bearing, |
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remove it as well. Save this pin. |
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Refer to Figure 3 |
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5. |
If pins are present at the insides of the center |
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shaft brackets, remove and save them. |
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Refer to Figure 4
6.Loosen the set screws on the retaining collar to the right of the sprocket to be removed.
7.Slide the drive shaft to the left, until the locking collar , and then the sprocket , are off the end of the shaft. Save the locking collar. The old sprocket is not reused.
Note: If it is not possible to slide the drive shaft far enough to remove the collar and sprocket:
a.Mark the shaft location of the left collar
b.Loosen that collar’s set screws
c.Remove the sprocket and right collar (only)
8. |
Slide the new sprocket, and then the locking collar |
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onto the shaft. If it was necessary to loosen the |
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left collar , re-position it to the mark and tighten its |
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set screws. |
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9. |
Re-insert the shaft through all bearings and |
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brackets. |
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10. |
Firmly slide the locking collar against the new |
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sprocket. Tighten its set screws. |
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11. |
Re-install any pins removed in steps 4 and 5. |
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Refer to Figure 1 |
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12.Remount the chain.
13.Tighten idler (previous page) until there is 3⁄4in slack in the longest chain span.
14.Skip this next step if also installing the drive shaft update.
15.Re-insert the roll pin in the right drive shaft universal joint.
Figure 2 |
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25142 |
Disconnect Right U-Joint
Figure 3 |
25147 |
Remove Pins
Figure 4 |
25148 |
Loosen Collar
401-465M |
12/21/2006 |
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