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Bandit

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MODEL 490

Only Bandit knives and hardware are recommended for use in your Bandit chippers. Only then can you be

assured of a quality product that fits and performs the best to the standards of excellence that is expected from

the Bandit chipper.

KNIFE CHANGING PROCEDURE

CHIPPER SECTION

Before attempting any type of maintenance turn off engine, wait for the drum to come to a complete stop,

install the drum lock pin, disconnect battery, and make sure the ignition key is in your possession.

. Remove the bolts from the bottom of the infeed hopper.

3. Carefully lift the infeed hopper and use the spring lock to hold the infeed hopper up. Do not let the

infeed hopper down slam. This will cause damage to the hinge. If the hinge becomes damaged by

slamming the infeed hopper, replace the hinge immediately! If the hinge has become damaged, it will

cause misalignment, the chipper drum may hit the infeed hopper and cause a serious accident!

4. Changing the chipper knives is a two person job. One person, using a wooden block, holds the

chipper knife in place while the other person removes the chipper knife hardware. Remove all

of the knives in each pocket. Typically a 7/32” hex wrench or hex bit socket is required to change or

torque the knife hardware.

5. Once the knives have been removed, inspect the knife pocket. Check for secure welds, excessive wear,

impact cracks, and the condition of the knife bolt threads. If a problem is found, contact your local dealer

or Bandit Industries.

6. Clean out the knife pocket at this time. Remove all debris from the pocket and knife bolt holes.
7. Sharpen, rotate, or replace the chipper knife. Knives should be professionally ground, maintaining angle

and dimensional specifications. Knives should be replaced in sets. These sets are determined by the

amount of resharpening done to the knives. It should be reinstalled with another knife of comparable

usage. It helps to keep the drum balanced, and it helps maintain chip quality. Do not allow the knives

to wear beyond the absolute minimum specified distance from the center line of the bolt hole.

Reinstall the chipper knives. Make sure to properly torque the knife hardware, see Bolt Torque Chart.

Knife mounting hardware must be replaced after maximum of 4 - 5 knife rotations/changes to in sure

safe clamping ability. All knives and knife mounting hardware must be factory approved.

8. Remove the drum lock pin. Very carefully, manually with a bar, turn the chipper drum to the next knife

pocket. Reinstall the drum lock pin.

9. Repeat steps 6 though 10, for each knife pocket.
10. Once the knives have been changed or rotated, check the anvil clearance. Make sure the clearance is

maintained to the specified distance from the highest knife. Do Not under any circumstance attempt to

rotate the chipper drum while someone is inside the infeed hopper. They may become seriously

injured, Do Not Do This!

11. Close the infeed hopper and reinstall the bolts for the infeed hopper..

DANGER

Chipper knives are sharp and can be dangerous.

It is always necessary for your protection to be extra

careful and wear proper hand protection when handling

knives. Before changing knives make sure all shut

down procedures are followed.

The knives must be securely fastened and torqued

in position. If one comes loose or breaks during