MAINTENANCE AN D SERVICING
CAUTION
Cutter blades have two cutting edges. Exercise caution when working around the blades. Blades are sharp
and can cause serious injury. Wear gloves when handling blades.
Figure 4.37: Underside of Cutterbar Spindles Installed in Cutterbar
IMPORTAN T:
Right-hand discs (A) and left-hand discs (B) are timed and must be at 90° when reinstalled. Misaligned discs
could result in the following:
• Cutterblades of co-rotating discs hitting each other
• Cutterblades of diverging discs will hitting adjacent discs
Check clearance before tightening spindle to the cutterbar. Turn disc by hand to ensure cutterblades do not
contact each other or adjacent discs. If contact occurs, remove spindle, rotate 90°, and reinstall. Remove and
reinstall spindles as many times as necessary to achieve proper alignment.
NOTE:
Right-hand discs (A) and left-hand discs (B) are slightly offset as shown depending on which idler gear the
spindle is turning.
• Spindles that rotate c lockwise have left-handed threading
• Spindles that rotate counterclockwise have right-handed threading
147910 137 Revision A
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