SECTION 58 - ATTACHMENTS / HEADERS - CHAPTER 1
58-12
E. The cutter bar should only be removed from
the machine and disassembled if it has been
determined that the lower module compo-
nents or the intermodule shafts are damaged.
Ensure that all disc modules were checked as
per steps B, C, and D to determine which
modules require removal for repair or replace-
ment. Check the intermodule shafts on both
sides of a failed disc module for worn or twisted
splines.
The cutter bar should also be removed and
disassembled if misalignment or gaps between
the modules and spacers was noted in step A.
Check the intermodule shafts and pinions shafts
for excessive spline wear at any connection
where the tie bolts were found to be loose or
failed, or where misalignment occurred due to
missing or failed dowel pins. Note that dirt will
tend to work its way inside spacers where the tie
bolts are loose.
NOTE: Following all of the above listed steps when
inspecting a failed cutter bar should ensure all
components are checked, and any worn or failed
components are identified prior to disassembly and
repair of the cutter bar.
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