SECTION 58 -- ATTACHMENTS AND HEADERS -- CHAPTER 2
58-12
TOP CAP - INSTALLATION
1. Apply a thin bead of silicone sealant to the seal-
ing flange of the new top cap assembly, 1, and
position it on the lower module assembly with the
breather facing to the right.
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2. Apply silicone sealant to the end of the threads
of the top cap retaining bolts, install them, and
torque to 83 ft lbs (113 N⋅m).
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3. It is necessary to time the cutter bar discs during
reassembly to eliminate interference between
the knives. The discs are properly timed when
they are 90° apart, as shown. The disc hub and
top cap shaft splines are randomly cut, with no in-
dex marks.
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