Safety & Operating Instructions
3-POINT HITCH
Mighty Mac
Gravity Self-Feeding
CHIPPER
24
VISUAL inspection of the Chipper Knife (before each use)
Routinely check the chipper knife for sharpness. Using a dull knife will
decrease performance and cause excessive vibration that will cause
damage
to the MIGHTY MAC GRAVITY SELF-FEEDING Chipper.
Figure 32
Tools Needed:
•
7/16" Wrench
1.
Loosen the Locknuts that secure the Front Access Cover with a 7/16"
Wrench . Move the Cover over to align the larger portion of the hole with
the Locknuts and remove the Cover. (Figure 33)
2.
Rotate the Flywheel with a long stick until the Knife is visible.
3.
If the Knife has visible nicks or damage it must be sharpened or replaced
(see “Removing and Replacing the Chipper Knife” in this chapter).
4.
If the Knife does not appear to have any damage, replace the Access Cover
and tighten the Locknuts using a 7/16" Wrench.
VISUAL inspection of the Wear Plate (every 8-10 hours)
Routinely check the wear plate for a sharp square edge. Using a rounded
or
chipped wear plate will decrease performance and cause excessive
vibration that will cause damage to the MIGHTY MAC GRAVITY SELF-
FEEDING Chipper and make chipping
difficult for the operator.
The hopper should be supported when the mounting hardware is
removed. Removal of the hopper is difficult for one person. Two people
are needed for the hopper removal process.
Figure 33
Tools Needed:
•
Two 1/2" Wrenches
1.
Use a 1/2" Wrench to loosen the Locknut and Washer securing the
lower left side of the Hopper.
2.
Use two 1/2" Wrenches to remove the Locknut and Flat Washer from
the three Bolts securing the top and right side of the Hopper. The
Bolts can be left in place and make sure the Spacer stays in the
location shown.
3.
Remove the Hopper from the Chipper Assembly.
4.
Use a stick to rotate the Flywheel until the Knife is next to the Wear Plate.
5.
Closely inspect the Chipper Knife and Wear Plate for nicks or dull
(rounded) edges (Figure 34).
6.
If necessary, repair or replace the Chipper Knife and/or Wear Plate
per the following procedures. If the Knife and Wear plate do not need
maintenance or adjustment, reinstall the Hopper.
Wear Plate
Chipper Knife
Bolt, Locknut,
and Washer
Spacer