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GRN4-610 Chapter 5: Maintenance 50 of 73
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Checking “V” belt condition, replacing “V” belt
Serious injury can result by running “V” belt. Never dismount the
“V” belt cover and window during operation. Hair, jewelry etc. can
be pulled into the machine.
Working on the Cutters
The correct grinding properties, the correct setting, and the correct mounting of the
cutters are all important factures to ensure proper function and economic operation of the
shredder.
Replacing and checking the cutter mountings
• Certain machine parts are subject to stress while operating due to vibrations,
which can lead to the loosening of screw connections. It is very important to
check the cutter mounting screws according to the intervals in the maintenance
plan.
• Tighten the mounting screws on the cutters using a torque wrench set to the
required torque for the screw size. The required torque for the cutter mounting
bolts is 120 Nm.
• Use the table below to determine torque values. The tightening capacity
decreases on screws that have been loosened and tightened several times. New
screws of the same material must replace the cutter mounting screws after they
have been loosened and tightened several times.