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SETTINGS AND ADJUSTMENTS
SECTION 4-15
Adjusting or Replacing Rotor Knives
SET THE DOWNSTROKE KNIFE SHIELD
Position the knife shield so that it sets back from the bed
knife edge about 1/32 in. for film and 1/16 in. for thicker
materials. Use a plastic or leather mallet, if necessary, to
tap the shield or knife-
The upstroke knife clamp does not need this adjustment.
Carefully adjust the bed knife clearance to its final setting
and snug down the mounting screws with a 30 mm socket
wrench.
CHECK THE KNIFE GAP
Snug the screws down in stages keeping them about even
as you progressively tighten them. Recheck the knife gap
after snugging down the mounting screws.
After setting up to one rotor knife (usually the highest
knife), rotate the remaining knives slowly by the bed
knife and quickly verify the knife gap.
TIGHTEN THE SCREWS TO FINAL TORQUE
When the knife gap is adjusted to the proper dimension,
tighten the mounting screws to a torque of 472 ft lbs (640
Nm). For safety, make sure that you have solid footing
when you apply this final torque.
Recheck the gap after tightening the screws to the final
torque.
Make sure that both halves of the bed knife are adjusted.
SEE SECTION 6-11 PAGE 88 FOR CUTTING CHAMBER
CLOSING INSTRUCTIONS.