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Morbark M20R - Changing Standard Knife Holders

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74
ROUTINE MAINTENANCE
CHANGING STANDARD KNIFE HOLDERS
It is recommended that you change your holders when they allow material to pack
under the counter knife. This can happen when the holder has a chip near the knife
or when there is excessive wear on the face of the holder that allows the wood to ow
into that location and pack. If they are not worn it is not necessary to replace them.
1� Throttle engine down to an idle and disengage the clutch. (This is shown in gure
1 for a electric clutch. If your machine has a mechanical clutch you will need to
manual disengage your clutch with the handle.)
DANGER/THROWN DEBRIS, CUT, PINCH HAZARD: Shut power unit off
and perform Lockout/Tag out procedures before any maintenance is
performed�
DANGER/THROWN DEBRIS, CUT, PINCH HAZARD: Make sure the drum has
come to a complete stop before attempting any maintenance�
CAUTION: Do not use your hand to check for drum movement�
DANGER/THROWN DEBRIS HAZARD: Do not use the clutch for
changing holders for any reason�
CAUTION: Two (2) people are required at all times when changing knife
holders�
CAUTION: Knives are extremely sharp� Always wear leather gloves when
removing knives�