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Summary of Contents for Yetter 2987 NH3 MAGNUM
- Page 1 2987 NH3 MAGNUM 2565-758_REV_R • 08/2024 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...
- Page 2 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.
- Page 3 SAFETY PRECAUTIONS A brief description of signal words that may be used in this manual: DANGER: Indicates an imminently hazardous situation which, if not avoided “will” result in death or serious injury. This signal word is to be limited to the most extreme situations.
- Page 4 BOLT TORQUE NOTICE READ THESE INSTRUCTIONS FIRST: Improperly tightened bolts will result in damage, breakage, expense, and down time. Always replace bolts with the specified grade and type. Torque properly before first use of the machine and every 2-4 hours of use until you are sure bolts are staying tight.
- Page 7 ASSEMBLY INSTRUCTIONS The 2987 NH3 Magnum coulter is designed to mount to rectangular toolbars in three sizes: 5” x 7”, 6” x 6”or 7” x 7”. WARNING: Never work under the toolbar while in a raised position without using safety lockups.
- Page 8 TOOLBAR FRAME HEIGHT ADJUSTMENT Figure A. The toolbar frames are equally 26”-28” off the ground. To ensure that frame heights are equal, it is important that measurements are taken. The tube frames should be parallel with the soil surface. Figure B. The hitch is set too low while the toolbar frames are not equal distance from the soil surface.
- Page 9 OPERATION INSTRUCTIONS RIGHT HAND ASSEMBLY DIRECTION OF TRAVEL 1. Adjust the shoe the same front and back. 2. Start with no gap between the blade and shoe. 3. Set the shoe just touching the blade. OPERATION MAINTENANCE LUBRICATION: Each coulter is equipped with (3) grease zerks. To ensure longevity and reliability of the coulter, the recommended lubrication schedule should be followed using general purpose grease at hourly intervals indicated on symbol.
- Page 10 Alternative Lubricants Conditions in certain geographical areas may require special lubricants and lubrication practices which do not appear in the operator's manual. If there are any questions, consult Yetter Manufacturing Co. to obtain latest information and recommendation. Storing Lubricants Your machine can operate at top efficiency only if clean lubricants are used.
- Page 11 Clean machine thoroughly to remove all dirt, debris and crop residue, which would hold moisture and cause rusting. Inspect machine for worn or broken parts. See your Yetter Farm Equipment dealer during the off-season so that parts or service can be acquired when machine is not needed in the field.
- Page 12 OPERATION MAINTENANCE BEARING ADJUSTMENT: 1. Raise the toolbar until the blade is clear of the ground. Place a safety stand under the toolbar. Remove the blade. Remove the hub cap, cotter pin, slotted nut, washer and spacer from the spindle shaft assembly. 2.
- Page 13 PARTS IDENTIFICATION...
- Page 14 PARTS IDENTIFICATION QTY. PART NUMBER DESCRIPTION 2550-065 HUB CAP, WILTON #909912-1 2986-329 MACH. CASTLE NUT 1 ¼-12 2531-124 3/16 X 2 COTTER PIN 2526-562 1 17/64 ID X 2 ¼ OD X 10 GA. MB BLK 2550-057 BEARING, KOYO #2788R 2986-403 MOUNTING HUB 2533-110...
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- Page 29 PARTS IDENTIFICATION 2987-027A-L-ST-A LH Sealer Kit Sharktooth ITEM PART NO DESCRIPTION 2502-351 1/2 -13 X 2 HHCS GRADE 5 2520-357 ½-13 LOCK HEX NUT GRADE A 2520-465 5/8-11 FLANGE NUT GRADE 8 2526-351 ½ STANDARD FLAT WASHER WASHER 21/32” X 1-1/4” X ¼” 2526-455 1”...
- Page 30 PARTS IDENTIFICATION 2987-027A-R-ST-A RH Sealer Kit Sharktooth ITEM PART NO DESCRIPTION 2502-351 1/2 -13 X 2 HHCS GRADE 5 2520-357 ½-13 LOCK HEX NUT GRADE A 2520-465 5/8-11 FLANGE NUT GRADE 8 2526-351 ½ STANDARD FLAT WASHER WASHER 21/32” X 1-1/4” X ¼” 2526-455 1”...
- Page 31 ITEM PART NO. DESCRIPTION QTY. 2502-225 5/16-18 X 1-1/2 HHFS GR. 5 2571-286 SHARKTOOTH WHEEL HUB ASSEMBLY 2.406” SPINDLE 2965-501 2965-503 HUB CAP 2987-396 CAST PRESS WHEEL MANUFACTURED 06/2021 – PRESENT...
- Page 32 ITEM PART NO. DESCRIPTION QTY. 2502-209 5/16-18 X 1-13/4 GR. 5 2520-206 5/16-18 FLANGE LOCK NUT 2570-594 BEARING D-BOLT FLANGED 5/8-11 X 3.812” GR. 8 2570-742 2965-128 HUB ASSEMBLY 2550-069 SEAL 2570-594 BEARING 2570-715 INSERT 2965-351 2965-352 HUB CAP 13” SHARK TOOTH 2967-602 2987-396 PRESS WHEEL...
- Page 33 PARTS IDENTIFICATION 2965-120 HUB UPDATE KIT ITEM PART NO. DESCRIPTION QTY. 2502-225 5/16-18 X 1-1/2 HHFS GR. 5 HUB ASSEMBLY 2.406” SPINDLE 2965-501 2940-560 SET SCREW .313-18 X .75...
- Page 34 NOTES...
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- Page 36 2565-758_REV_R 08/2024...
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