| MAINTENANCE |
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| REPLACEMENT OF ROTARY DISK |
| Failure to follow the following warnings and instructions may result |
in | serious injury or damage to the equipment or property! |
The bolts that attach the knife mounting disk to the spindle must be grade 8.
These 5/8 inch bolts are to be torqued to 204 dry or 184 oiled ft. lbs.
A thread locking agent may be applied to threads of all mounting bolts before they are installed.
Disks must be inspected daily for hairline cracks between spindle mounting bolts or around the knife mounting bolts. These cracks indicate metal fatigue caused by severe abuse. If cracks are present, the disk must be replaced.
Inspect the disk mounting bolts daily when checking tightness of blade mounting bolts. If a disk mounting bolt is loose, it must be removed, threads cleaned, fresh thread locking agent applied, and tightened to proper torque value.
If a knife mounting bolt is loose, the self locking nut must be replaced as a safety precaution. Lubricate threads with
1- WARNING: The disk alone weighs approximately 210 lbs. Be sure its weight can be supported before attempting to replace. The use of a lift mechanism will ease replacement.
2- Remove the six disk mounting bolts and the disk from the spindle.
3- Install new disk and align with mounting bolt holes.
4- Apply a thread locking agent to all of the mounting bolts and install the bolts through the disk. If a bolt protector is being installed, hold the protector in place and install the bolts through the bolt protector and disk. NOTE: Disk bolts must be Grade 8.
5- Tighten bolts down and torque to values noted.
6- See knife replacement instructions for replacing the knives onto the new disk.
Maintenance Section
