Yetter Double Hub No-Till Coulter - Manual (Page 7)

7
OPERATION
Double No-Till coulters with injection are designed to apply fertilizer 3" to 5" deep. See your fertilizer
dealer for recommended depth and distance away from row for your particular fertilizer. A popular
placement setting is 2" below and 2" away from the seed. High deposit rates require the fertilizer to
be placed farther away from the row to avoid crop “burn”.
Double No-Till coulters can be set up to swivel or not swivel as required. By not allowing the coulter
to swivel, the distance between seed and fertilizer varies less when planting on contour.
When mounting Double No-Till coulters on 3-point or 2-point hitch planters, the coulters should be set
up to swivel, particularly if a 4-wheel drive tractor is used. This reduces the side load on the coulter
during operation. It is preferable to allow the coulter to swivel.
IMPORTANT: For proper operation, the planter frame must operate level and at the correct
height, usually 20"- 22" while in operation.
In hard no-till conditions the desired operating depth may not be possible. Tighten spring nut to
maintain depth if spring is flexing rather than lowering coulter to obtain maximum depth.
Planter weight may limit operating depth in hard conditions, particularly with mounted or semi-
mounted planters. Be sure planter has enough weight to keep drive wheels on the ground during
operation or plant populations can be drastically affected.
1. Set coulter blades to run vertical to ground. Operating depth and blade wear can be affected if
coulter is mounted crooked. If coulters are set up to not swivel be sure they run straight with the
direction of travel.
2. After a few hours use, check all bolts and setscrews for tightness.
3. After a few days use, check coulter hubs for loose bearings. There should be no end play in the
hub bearings to allow it to wobble. If necessary, remove hub cap and cotter pin, adjust slotted nut
to remove wobble, reinsert cotter pin and replace hub cap.
MAINTENANCE
Each coulter is equipped with five grease zerks. To ensure longevity and reliability of the coulter, the
following lubrication schedule should be followed:
1 Lower Parallel Arm Daily
2 Pivot Casting Daily
2 Hub Bearings Each Season