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6 Maintenance
6-1 General Recommendations
Before carrying out any work on the granulator, carefully read the
instructions contained in this manual.
NOTE: Only specialist and competent personnel should carry
out this operation.
All maintenance work must be carried out with the granulator
switched off and with the power supply disconnected and locked
out.
Conduct that is not in accordance with the safety instructions in
Section 1 may pose a threat to both personnel and equipment.
Instructions given in the maintenance procedures should be strictly
followed.
Once the maintenance work is completed, before returning the
granulator to service, check the following:
• Any parts that may have been replaced and/or tools that have
been used are removed from the granulator.
• All safety equipment is in proper working condition.
Figure 13: Periodic Maintenance Table
Mechanical Check Frequency
Knife clearance and wear Weekly
Rotor knife retaining screws for tightness Weekly
Downstroke bed knife and shield retaining screws for tightness Weekly
Upstroke bed knife retaining screws for tightness Weekly
Screen cradle arm screws for tightness Weekly
Infeed chute & cutting chamber screws for tightness Monthly
Important!
After the granulator has been used for the first day, adjust the drive belt tension.
Correct tension for use should be the minimum at which the belt does not slip.
Check that the pulleys are correctly aligned.