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Form: MM-
4/A5SC Revised 07/13/16
A-4SC/A-5SC Operation Procedure
1. WARNING Wear proper safety equipment.
a. Flying Debris: During drilling, chips may be ejected.
b. Dust: Concrete dust will be ejected from the hole.
c. Loud Noise: Air compressor and drill unit will create loud noise levels.
d. Pinch Points: Keep clear of all moving parts.
2. Operator should stand in a safe location with good visibility, not less than 10 feet (3 meters) from the closest point
on the machine.
3. Place feed lever(s) in the “in” position to move the bits against the face of the slab.
4. Place the drill lever(s) in the “on” position to turn on the drill motors. Press the initiate lever is so equipped.
5. When drill motors reach the required depth, place the feed lever in the “out” position.
6. When the drill steel is clear of the hole, place the drill lever in the “off” position.
7. On units with the wireless control, the drills will automatically retract and shut off when the hole depth has been
reached.
8. Release the brake if so equipped. Position the drill for the next set of holes to be drilled. Reset the brake is so
equipped.
9. On units equipped with steering, turn the wheel or press the joy stick right or left to steer the unit right or left.
10. On units with the “crab” feature, it is helpful to turn the crab “on” and then steer right or left to keep the machine
tight against the face of the slab while repositioning the unit.
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