Magnum Venus Plastech PRO AND SUPER PRO CHOPPER VRC-1000_2000_3000 - Manual (Page 17)

Pro & Super Pro Chopper Manual
Rev. 02/2013 Page | 17
Maintenance:
Replace chopper blades – Spring and Retainer Style
You should inspect chopper blades daily and replace blades which become worn or
chipped.
DANGER: Before attempting to inspect or replace blades in the chopper, be sure
to disconnect all air to the chopper.
Remove Chopper Cover
1. Remove the chopper cover by turning the cover stud (7103-2-1).
Remove Blade Assemblies
DANGER: BLADES ARE SHARP. To prevent injury, use caution when working
around the rotor.
1. Remove the rotor from the air motor shaft.
2. To remove the spring, retainer and the blade from the rotor slot, insert a
screwdriver blade into the slot from the rotor’s side.
3. Press the screwdriver to remove the spring, spacer, and the blade quickly and
safely.
Assemble Chopper Blades
1. Before installing the new blades, lightly dull the sharp edges by moving the blade
edge back and forth on cardboard.
2. Make a “sandwich” or stack of one spring (04169-1), one spacer (70690-1), and
one blade.
3. Locate the deep side of a slot in the rotor.
4. Slide the stack into the slot from the end of the rotor (not from the top of the slot)
so that the blade is on the deep side of the slot.
NOTE: Make sure the blade aligns with the center line of the rotor.
5. Center the spring (04169-1), the spacer (70690-1), and the blade in the rotor.
6. Press the spacer and the spring (04169-1) to the bottom of the slot with a
screwdriver handle.
7. Press the blade to the bottom of the slot by pushing the blade against the bench
or a piece of wood.