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Hardware Included:

 

A.  (12) 17mm hex nuts 
B.  (6) M10- 1.5 x 25mm hex bolts  
C.  (2) M10- 1.5 x 20mm hex bolts  
D.  (4) 10mm flat washers 
E.  (4) M10- 1.5 x 45mm carriage bolts 
F.  (4) 17mm nylon-insert lock nuts 
G.  (2) M12- 1.75 x 110mm axle bolts 
H.  (4) 12mm flat washers 
I.  (2) 19mm nylon-insert lock nuts 
J.  (2) 20mm hex bolts 
K.  (2) 10mm nylon-insert lock nuts 
L.  Wrench set

 

 
ASSEMBLY 

 
FRAME 

Fasten the U-Bar and the wheel support bracket to the chassis using 
four 25mm hex bolts (B) and four 17mm hex nuts (A). See right. Wheel 
support bars should be fastened to the inside of the chassis and the U-
Bar should be fastened to the outside, sandwiching the chassis in 
between the two See below. 
 

Note:

 

Make sure that the smaller 

holes drilled in the forward part of 
the wheel support brackets are 
oriented up. See arrows on right.

 

 

Lightly tighten the four hex bolts to 
secure the wheel support 
brackets, U-Bar, and the chassis, 
as adjustment will likely be 
needed later.
 

WHEELS 

 

Install one axle bolt (G) through each wheel, making sure there is a washer on 
either side of the bearings See right.  

 

Once the tires have been installed onto the 
wheel support brackets, you may tighten 
the 19mm nylon-insert lock nuts (I) to 
secure the wheels in place. See left. 
 

Note:

 

You may need to use a screwdriver 

to center the inner housing of the tire to 
insert the axle bolt properly.

 

HANDLES 

Insert the dowel into each handle making sure the grips are both 
oriented in the same direction. If the fit is tight, work the dowel 
and handles together by spinning them back and forth while 
applying some force. A light sanding may also be needed. 
 

Summary of Contents for 7621 U-Bar Double Wheel Hoe

Page 1: ...g embraced by many The primary benefit of this design is reduced labor by only having to make one pass at a single row for cultivating In addition to reducing repetitions by half the U Bar is able to cultivate crops further into their maturity because of its high clearance and the employment of leaf lifters which gently guide foliage through the chassis In our trials we were able to cultivate many...

Page 2: ... in the forward part of the wheel support brackets are oriented up See arrows on right Lightly tighten the four hex bolts to secure the wheel support brackets U Bar and the chassis as adjustment will likely be needed later WHEELS Install one axle bolt G through each wheel making sure there is a washer on either side of the bearings See right Once the tires have been installed onto the wheel suppor...

Page 3: ...d the wheel hoe using a straight forward and back pushing motion This allows for greater precision and the greatest amount of force to be applied This arrangement may be desirable for hilling row crops or for working in soils that are heavy rocky or compacted and is suitable for extended use in most situations The downside associated with the traditional handle position is that it s necessary to w...

Page 4: ...y parallel to ground despite adjusting the height ANGLE OF THE CUT The chassis should be almost parallel with the ground for most cultivation However harder compacted soils may require a more aggressive cutting angle up to 10 degrees for greater effectiveness HANDLE HEIGHT The handle height can be adjusted by loosening the bolts and pivoting them at their connections to the chassis The ideal handl...

Page 5: ...angs These miniature disc harrows have been proven to be very effective for both in row and inter row weed management and hilling young seedlings like onions beans corn and carrots The angle of the gangs is fully adjustable making them useful for lightly hilling and cultivating a variety of crops Disc Harrow Gangs are effective when used with both traditional and off set handle positions Hilling P...

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