Yetter 2920-012A Manual de usuario

2920-012A DISC SEALER 12” SMOOTH

2920-016A DISC SEALER 16” SMOOTH

2920-016A-N DISC SEALER NOTCHED

OPERATOR’S MANUAL

PARTS IDENTIFICATION

2565-412_REV_G • 06/2021

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

BOLT TORQUE

Mounting bolts and hardware

Before operating the Disc Sealer for the first time, check to be sure that all hardware is tight. Check all

hardware again after approximately 50 hours of operation and at the beginning of each season.

All hardware used on the Disc Sealer is Grade 5 unless otherwise noted. Grade 5 cap screws are

marked with three radial lines on the head. If hardware must be replaced, be sure to replace it with

hardware of equal size, strength and thread type. Refer to the torque values chart when tightening

hardware.

Important: Over tightening hardware can cause as much damage as when under tightening.

Tightening hardware beyond the recommended range can reduce its shock load capacity.

The chart below is a guide for proper torque. Use it unless a specified torque is called out elsewhere in the

manual.

Torque is the force you apply to the wrench handle or the cheater bar, times the length of the handle or bar.

Use a torque wrench whenever possible.

The following table shows torque in ft. lbs. for coarse thread hardware.

Lubricate all bearings and moving parts as assembled and make certain that they work freely.

WARNING: Never work around the toolbar/implement while in a raised position without using safety lockups.

CAUTION: The Disc Sealer attachments are very heavy. Pay extra attention to lifting techniques while handling

and or maneuvering the opener during assembly. Failure to do so may lead to personal injury.

ASSEMBLY

“

Barn Yard Setting” – set the sealer blade to 2” closer to the bottom of the knife than the depth that

the knife will be used at. Example: knife at 6” depth, set the blades to 4” above the bottom of the

knife. Adjust the blade pitch as needed to cover the knife track with soil. Tighten all hardware to the

recommended amount of torque unless otherwise stated.

MAINTENANCE

Lubrication Symbols

Lubricate with grease at hourly interval indicated on symbol.

Lubrication Intervals

IMPORTANT: The recommended service intervals are based on normal conditions; severe or

unusual conditions may require more frequent lubrication.

Perform each lubrication and service procedure at the beginning and end of each season.

Clean grease fittings before using grease gun, to avoid injecting dirt and grit into the bearing. Replace

any lost or broken fittings immediately. If a fitting fails to take grease, remove and clean thoroughly,

replace fitting if necessary. Also check for failure of adjoining parts.

Storing the Equipment

Store the machine in an area away from human activity

Store machine in RAISED position.

Install service locks on all wheel cylinders.

At the end of the season, the machine should be thoroughly inspected and prepared for storage.

Repair or replace any worn or damaged components to prevent down time at the start of the next

season. Store machine under cover with all parts in operating condition.

•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.

•Lubricate bearings as outlined in the Lubrication section

•Paint all parts which are chipped or worn and require repainting.

•Store machine in a clean, dry place with the planting unit out of the sun.

•If the machine cannot be stored inside, cover with a waterproof tarpaulin and tie securely in

place.

•Do not allow children to play on or around the machine

PARTS IDENTIFICATION

2920-012A DISC SEALER

PARTS IDENTIFICATION

2920-016A DISC SEALER

PARTS IDENTIFICATION

2920-016A-N DISC SEALER

PARTS IDENTIFICATION

2920-023 DIETRICH BRACKET KIT

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