Yetter 2995 Manuel utilisateur

FERTILIZER COULTER

MODEL 2995/2996

SET-UP & PARTS MANUAL

2565-369_REV_F - 02/2019

YETTER MANUFACTURING CO.

FOUNDED 1930

Colchester, IL 62326-0358

Toll free: 800/447-5777

309/776-3222 (Fax)

Website: www.yetterco.com

E-mail: info@yetterco.com

FOREWORD

You’ve just joined an exclusive but rapidly

growing club.

For our part, we want to welcome you to the

group and thank you for buying a Yetter product.

We hope your new Yetter products will help you

achieve both goals-increase your productivity and

increase your efficiency so that you may generate

more profit.

This operator’s manual has been designed into

four major sections: Foreword, Safety

Precautions, Installation Instructions and Parts

Breakdown.

This SAFETY ALERT SYMBOL

indicates important safety messages in

the manual. When you see this

symbol, be alert to the possibility of PERSONAL

INJURY and carefully read the message that

follows.

The word NOTE is used to convey information

that is out of context with the manual text. It

contains special information such as

specifications, techniques and reference

information of a supplementary nature.

The word IMPORTANT is used in the text when

immediate damage will occur to the machine due

to improper technique or operation. Important will

apply to the same information as specified by

note only of an immediate and urgent nature.

It is the responsibility of the user to read the

operator’s manual and comply with the safe and

correct operating procedure and to lubricate and

maintain the product according to the

maintenance schedule in the operator’s manual.

The user is responsible for inspecting his

machine and for having parts repaired or

replaced when continued use of the product

would cause damage or excessive wear to the

other parts.

It is the user’s responsibility to deliver his

machine to the Yetter dealer who sold him the

product for service or replacement of defective

parts, which are covered by the warranty policy.

If you are unable to understand or follow the

instructions provided in this publication, consult

your local Yetter dealer or contact:

YETTER MANUFACTURING CO.

309/776-4111

800/447-5777

309/776-3222 (FAX)

WARRANTY

Yetter Manufacturing warrants all products manufactured and sold by it against defects in material. This

warranty being expressly limited to replacement at the factory of such parts or products as shall appear to

be defective after inspection. This warranty does not obligate the Company to bear cost of labor in

replacement of parts. It is the policy of the Company to make improvements without incurring obligations to

add them to any unit already sold. No warranty is made or authorized to be made, other than herein set

forth. This warranty is in effect for one year after purchase.

Dealer ___________________________________________________

Yetter Manufacturing warrants its own products only and cannot be responsible for damages to

equipment on which mounted.

SAFETY

A brief description of signal words that may be used in this manual:

CAUTION: Used as a general reminder of good safety practices or to direct attention to unsafe

practices.

WARNING: Denotes a specific potential hazard.

DANGER: Denotes the most serious specific potential hazard.

SAFETY PRECAUTIONS

You can make your farm a safer place to live and work if you observe the safety precautions given. Study

these precautions carefully and insist that they be followed by those working with you and for you.

Finally, remember this: an accident is usually caused by someone’s carelessness, neglect or oversight.

WARNING

Never clean, lubricate or adjust a machine that is in motion. Always lower or block the implement before

performing service.

If machine must be services in the raised position, jack or block it up to prevent it from accidentally falling

and injuring someone.

Do not allow riders on the tractor or implement.

Use speeds and caution dictated by the terrain being traversed. Do not operate on any slope steep enough

to cause tipping or loss of control.

Be sure all personnel are clear of the immediate area before operating.

Read and understand the operator’s manual and require all other persons who will operate the equipment

to do the same.

Be familiar with all tractor and implement controls and be prepared to stop engine and implements quickly in

an emergency.

CAUTION

Consult your implement and tractor operator’s manual for correct and safe operating practices.

Beware of towed implement width and allow safe clearance.

FAILURE TO HEED MAY RESULT IN PERSONAL INJURY OR DEATH.

YETTER MODEL 2995/2996

FERTILIZER COULTER

CLAMPS

Part No. Description

2990-153 Clamp Kit, 2” Sq. Bar

2990-154 Clamp Kit, 2 1/2” Sq. Bar

2990-155 Clamp Kit, 2 x 6 Bar

2990-156 Clamp Kit, 4 x 4 Bar

2990-157 Clamp Kit, 5 x 7 Bar

2990-158 Clamp Kit, 7 x 7 Bar

2990-159 Clamp Kit, 3” Dmd Bar

2990-160 Clamp Kit, 3 1/2” Dmd Bar

2990-161 Clamp Kit, 3 x 7 Bar

2990-162 Clamp Kit, 2 1/2” Sq., 1/2” Spacer

2990-163 Clamp Kit, 3” Sq. Bar

2990-166 Clamp Kit, 2 1/4”,2 1/2” Dmd Bar

2990-171 Clamp Kit, 3 x 4 Bar

2990-172 Clamp Kit, 4 x 6 Bar

2990-173 Clamp Kit, 6 x 4 Bar

2990-174 Clamp Kit, 7 x 5 Bar

2990-175 Clamp Kit, 7 x 4 Bar

2990-181 Clamp Kit, 4 x 10 Special

2990-182 Clamp Kit, 4 x 7 Bar

6300-105 Clamp Kit, 5 x 5 Bar

FERTILIZER KNIVES

2975-232 Dry Fertilizer Knife

2975-220 Liquid Fertilizer Knife

SHANKS

Part No. Description

2990-208 Shank, 12 5/8” Long, 3” Offset

2990-221 Shank, 27” Long, 3” Offset

2990-310 Shank, 12 5/8”

2990-318 Shank, 16”

2990-328 Shank, 26”

2990-342 Shank, 18” Long, 3/4” Offset

2990-350 Shank, 27 1/8”

2990-353 Shank, 22” Long, 3/4” Offset

2990-354 Shank, 18” Long, 5 1/2” Offset

2990-370 Shank, 30” Long

2990-377 Shank, 15” Long, 5 1/2” Offset

3010-303 Shank, 22”

3011-302 Shank, 22” Long, 5 1/2” Offset

6300-331 Shank, 19” Long, 3/4” Offset

OPTIONAL EQUIPMENT

2975-120 Gauge Wheel Kit

2970-133 Knife Scraper 17”

2976-133 Knife Scraper 20”

INSTALLATION

1. Assembly 3/8 x 2-1/2” roll pin into hole closest to end of 1-1/2” diameter shank, leaving approximately equal

amount protruding out each side. For 12-5/8” shank, end without hole is upper end.

2. Insert lock collar into pivot casting and slide shank up through casting and lock collar. If you wish to lock coulter

from pivoting, slide roll pin into slots in casting. If you wish to let coulter pivot, do not align roll pin with casting

slots, but slide shank up till roll pin contacts casting surface. Install and tighten 5/8 x 1” setscrew in lock collar to

110 ft. lb. torque maximum.

3. Mount 17” coulter blade loosely to hub using four 1/2” carriage bolts, lockwashers and nuts.

4. Mount fertilizer knife and spacer block to rear support arm using two 1/2 x 3-1/2” Gr. 8 bolts, hardened flatwashers

and lock nuts. Place shims between knife and support arm as required to align knife point with blade.

5. Center blade on hub by rotating blade and watching clearance between knife and blade. Slide blade on hub as

required until the blade runs concentric, no run out on diameter. Tight four 1/2” nuts. The disc blade must run

concentric.

6. Adjust knife clearance to blade as close as possible. The high point of the blade should just clear the knife as

blade is rotated. Be sure blade rotates freely then tighten two 1/2” locknuts to 120 ft. lb. Re-check clearance, by

rotating blade one full revolution, after all bolts are tightened.

7. Assemble clamp components loosely to planter front bar as shown in parts view of appropriate clamp.

8. Position coulter clamps either toward the inside or outside of the planter openers on each side of the planter to

equalize draft. Tighten four 1/2” nuts to secure the clamps.

9. Install coulters on planter by inserting shank up through clamps and tightening 5/8 x 1” setscrews.

10. Install 5/16 x 2-1/2” cotter pins in all vertical 1-1/2” diameter shanks. This cotter pin prevents loss of coulter should

the clamp setscrews work loose. Cotter pin can be installed between clamp castings or on top, above top casting

depending on shank.

11. Set coulter depth by loosening setscrews in clamp castings. For John Deere 7000 front fold planters there may not

be enough up adjustment to operate coulter at proper depth, not more than hub deep. Not all toolbars on John

Deere planters operate at the same height. If necessary, cut off top of 1/12” diameter shank to allow proper

adjustment.

12. On John Deere 7000 front fold planters there are two hoses that may interfere with coulter operation. Loosen

hydraulic fittings and swivel hoses up out of the way to provide clearance when coulter flexes up.

13. Let coulter swivel, set lock collar to allow swivel in one or both directions as required. Tighten set screw to 110 ft.

lb. torque maximum.

14. Tighten 3/4” locknut if greater spring pre-load is required.

15. Grease three fittings on each coulter before operation. The hub bearings should be greased only a few times each

season. Do not forget the lower parallel arm grease zerk.

16. NEVER mount coulters under planter drive shaft to allow coulter blades to contact shaft when an obstacle is struck.

Coulters must be mounted so blade can always flex up and clear drive shaft.

NOTE: Dry fertilizer must be free of chunks greater that 1/4” in size to prevent plugging. Yetter

recommends using screened fertilizer or running fertilizer through screen when hoppers are filled. Clean

hoppers thoroughly at the beginning of season to prevent plugging problems.

The rubber dry fertilizer tube may appear to be ‘stretched’ when the planter is in the transport position.

This does not affect operation of the planter and should not be detrimental to the fertilizer tube.

OPERATION PRECAUTIONS

STOP

Read this before using the Yetter product.

-MACHINE OPERATION

IMPORTANT: failure to properly set the planter frame height and

levelness can result in less than successful operation of the planter

and the Yetter product and may result in damaged equipment. All

operators should read and thoroughly understand the instructions

given prior to using the Yetter product.

NOTE: DO NOT use this product if the planter is not adjusted properly!

Leveling the planter:

With the planter lowered to proper operating height (Usually 20”-22”).

Read the planter operator’s manual for recommended setting. Check to

be sure the toolbar and row unit parallel arms are level fore and aft. Re-

check when the planter is in the field and has been fully loaded with seed,

fertilizer, granular chemicals, etc. Also, a field check with a bubble level on

the frame should be made of the hitch height to ensure level operation front

to back.

It is important for the planter to operate level laterally. Tire pressure must be

maintained at pressures specified by the manufacturer.

Field and actual planting conditions change and will dictate planter frame

heights. You must ensure that the row unit parallel arms are approximately

parallel with the ground.

IMPORTANT: For proper operation of the planter attachments and row

units, it is imperative that the planter toolbars and row unit parallel arms be

level side-to-side and front-to-rear. The toolbar frame should operate at a

20”-22” height from the planting surface. Check the manufacturer’s

operator’s manual for instructions on how to adjust the frame height and

levelness.

PLANTER ADJUSTMENT

OPERATION

Yetter Model 2995 fertilizer coulters 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”.

Yetter Model 2995 fertilizer coulter 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 Model 2995 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 lower 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. Operation 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, re-insert cotter pin and replace hub cap.

4. KNIFE ADJUSTMENT IS CRITICAL. Adjust knife-blade clearance regularly, see page 7. An optional

knife scraper, Part #2970-133, is available to reduce the frequency of adjustment on the fertilizer coulter

knife. In addition this allows better operation in tough conditions such as freshly disked soils with

abundant trash in the top four inches of loose soil. NOTE: A ‘bump’ will appear behind knife scraper,

on blade where protected, this must be ground off periodically to maintain correct knife-blade clearance.

5. BLADE WEAR can affect operation in loose trash conditions. If knife adjustment does not stop

plugging problems, it may be necessary to replace blade.

MAINTENANCE

LUBRICATION

Each coulter is equipped with three grease zerks. To ensure longevity and reliability of the

coulter, the following lubrication schedule should be followed:

1 Lower parallel arm zerk daily

1 Pivot casting zerk daily

1 Hub bearings zerk each season

KNIFE WEAR

The lower portion of the knife and tube are subject to wear during operation. The rate of wear will

depend on a variety of factors and in abrasive soil conditions the wear will be more rapid.

On the dry fertilizer knives with cast tip, if the tube is worn, it is possible to weld on a new tube

(2975-360) to further extend the life of the dry fertilizer knife or weld on new wear plates (2975-

387) on each side.

KNIFE ADJUSTMENT

The adjustment of knife clearance to the blade is critical to trouble free operation of the fertilizer coulter, in

certain conditions the coulter can “plug” in just a few feet if not correctly adjusted.

1. The disc blade must run concentric. Adjust by loosening four hub nuts and centering the blade.

2. Set knife to rub slightly on blade, especially at bottom of knife. See illustrations above. 2975-

125 does work with 2995 coulter.

PARTS IDENTIFICATION

SIDE KNIFE KITS

2995-122 Liquid Side Knife Assy., L.H. 2995-124 Dry Side Knife Assy., L.H.

2995-123 Liquid Side Knife Assy., R.H. 2995-125 Dry Side Knife Assy., R.H.

To be used with 2571-165 or 2571-169 blades only.

2996-114 LH 5-1/2” Liq Side Knife Assy. 2996-116 LH 5-1/2” Dry Side Knife Assy.

2996-115 RH 5-1/2” Liq Side Knife Assy. 2996-117 RH 5-1/2” Dry Side Knife Assy.

To be used with 2571-178 blade only.

Key Qty. Part No. Description

1 3 2502-346 1/2-13 x 2 HHCS Gr. 5 ZP

2 2 2995-316 Side Knife Shim, 1/8”, ZP

3 1 2995-315 Side Knife Shim, 16 Ga., ZP

4 1 2995-314 Side Knife Brkt., 2995

5 1 2502-362 1/2-13 x 5 HHCS Gr. 5 ZP

6 1 2995-121 Liquid Side Knife Assy., R.H. (Shown)

1 2995-120 Liquid Side Knife Assy., L.H.

1 2995-200 Dry Side Knife W.A., L.H.

1 2995-201 Dry Side Knife W.A., R.H.

1 3000-123 LH 5-1/2” Liq Side Knife S.A.

1 3000-124 RH 5-1/2” Liq Side Knife S.A.

1 3000-234 LH 5-1/2” Dry Side Knife W.A.

1 3000-235 RH 5-1/2” Dry Side Knife W.A.

7 3 2520-357 1/2-13 Lock Hex Nut ZP

8 2 2520-352 1/2-13 Hex Nut ZP

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