Fine Cut Chopper Blades—Replacing and Configuration

CAUTION:

H87281-UN-01AUG07

A - Lock Nut

B - Cap Screw

C - Washers

D - Bushings

NOTE: Rotor shown illustrates blade replacement examples for both scoop and paddle blades. Always maintain original factory provided blade pattern.

Outer Blades:

NOTE: If removing blades or bushings for inspection purposes, be certain to reinstall blades on SAME support from which they were removed. This must be done to maintain balance. It is a good practice to mark each blade before removal.

Install new hardware in the same direction as it was removed when installing or replacing blades.

Remove lock nut (A), cap screw (B), washers (C), and bushings (D).

Inspect and if needed replace bushings while replacing blades. See your John Deere dealer for replacement parts.

Replace blade and install cap screw, washers, bushings, and lock nut. Tighten nut to specification.

Item	Measurement	Specification
Chopper Blade Lock Nut	Torque	60 N·m (44 lb.-ft.)

H87283-UN-01AUG07

H87284-UN-01AUG07

A—H - Paddle Blades

I—P - Paddle Blades

IMPORTANT: Chopper balance MUST be maintained. Replace BOTH blades on single support and BOTH blades on opposite support (180 degrees). Also replace four blades at opposite end of rotor, at same axial distance from balance ring. Eight blades MUST be installed to replace one broken blade, or all blades can be replaced at one time. This MUST be done to maintain balance.

If blade (A) is broken, replace blades (A—H).

If blade (I) is broken, replace blades (I—P).

H98142-UN-21SEP10

A - Lock Nut

B - Cap Screw

C - Bushings

D - Bushings

NOTE: If removing blades or bushings for inspection purposes, be certain to reinstall blades on SAME support from which they were removed. This must be done to maintain balance. It is a good practice to mark each blade before removal.

Install new hardware in the same direction as it was removed when installing or replacing blades.

Remove lock nut (A), cap screw (B), and bushings (C and D).

Inspect and if needed replace bushings while replacing blades. See your John Deere dealer for replacement parts.

Replace blade and install cap screw, bushings, and lock nut. Tighten nut to specification.

Item	Measurement	Specification
Chopper Blade Lock Nut	Torque	60 N·m (44 lb.-ft.)