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SETTINGS AND ADJUSTMENTS
SECTION 4-13
Adjusting or Replacing Rotor Knives
CLEAN PARTS FOR REASSEMBLY
Clean the rotor knife seats with a stone or other
non-mar- ring tool. Make sure that the backs of the
knife seats are clean so that the rotor knife can be
placed squarely against them.
Wipe the screws with lightly oiled cloth, do not
leave an oil film since lubrication can adversely
affect the stress on a screw installed to a fixed
tor
q
ue value.
DO NOT REPLACE THE MOUNTING SCREWS WITH ANY TYPE OF SCREW
OTHER THAN THAT SPECIFIED BY STERLING. Substitution of improper screws could
lead to premature failure, equipment damage, and serious injury to personnel.
When regrinding the knives, you may re-use the same screws and washers but do not re-use them
more than six times. When installing new knives, replace the screws and washers with those
furnished by the factory.
ROTORS WITH REPLACEABLE KNIFE SEATS
Check the replaceable knife seat screws for proper torque. PHOTO
Rotor with replace seats
The proper torque value for these screws is 235 ft lbs.
This should be carried out at regular set maintenance intervals.