DR Power TPH-184CHP - Manual (Page 22)

AFTER ANY BLADE OR WEAR PLATE MAINTENANCE OR ADJUSTMENT, ROTATE THE
CHIPPER DISK BY HAND. WATCH AND LISTEN CAREFULLY FOR ANY UNUSUAL NOISES,
CLICKING OR VIBRATION. IF ANY OF THESE ARE DETECTED, INSPECT THE MACHINE
FOR DAMAGE, REPAIR OR REPLACE ANY DAMAGED PARTS AND CHECK FOR ANY
LOOSE PARTS AND RETIGHTEN.
KNIVES MUST BE CHECKED AND MAINTAINED!
KNIVES MUST BE SHARP!
BE SURE TO REINSTALL THE KNIFE CORRECTLY AND DOUBLE CHECK FOR
TIGHTNESS!
HAMMERS
When the hard steel hammers of the rotor assembly become dull or round on the cutting edge, they
may be rotated or reversed. These hammers have four cutting edges that may be used before
replacement is necessary. To reverse the hammers proceed as follows.
• Remove belt guard.
• Remove round cover plate from behind belt guard.
• Remove shredder hopper.
• Remove the top plate.
• Turn rotor assembly until hammer rod is facing up.
• Turn hammer rod until small end of groove pin is facing up.
• Drive the groove pin from the hammer rod with a punch.
• Remove hammer rod through access hole on side of machine.
• Reverse hammers and reinstall with spacers on hammer rod.
• Replace old groove pin with new groove pin.
NOTE: Be sure the hammers and spacers are reinstalled in exactly the order in which they were removed.
Refer to the rotor assembly drawing for the correct order.
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