Servicing Coulter Bearings

N56803-UN-15MAY01

Keep coulters sharp and properly lubricated.

If there is any looseness in bearing, clamp coulter in vise. Disassemble, clean, and repack with John Deere High Temperature/EP or an equivalent SAE grease.

Tighten 5/8 in. Grade 5 slotted nut to specification.

Item	Measurement	Specification
Slotted Nut, Grade 5, 5/8 in.	Torque	16 N˙m (12 lb-ft)

Anti-friction bearings are packed with grease at factory. Inspect bearing and adjust if necessary every 100 hours. Before each tillage season or every 200 hours, whichever comes first, perform following:

• Disassemble bearing
• Clean bearing
• Repack bearing

NOTE: Check nuts on coulter cap screws periodically for tightness.