Hyundai HY2175 User Manual page 16

DRILLING METAL
3.37 For drilling metal, use a steel drill bit.
3.38 Always provide sufficient cooling with suitable non-flammable coolants.
3.39 Protect or fasten the work piece in a suitable vice or holder.
3.40 Mark the positions of the holes to be drilled with a centre punch.
3.41 Do not apply excessive pressure against the work piece with the drill.
3.42 Allow the drill to operate at its normal operating speed.
DRILLING PLASTIC
3.43 For drilling plastic, use a steel drill bit.
3.44 Follow the same instructions for drilling wood.
SCREWDRIVER
3.45 Check the screw bit is installed correctly.
3.46 Use a low gear and torque setting for more control.
3.47 Avoid over tightening screws otherwise the screw head may be damaged.
3.48 Use screwdriver bits that are not heavily worn.
3.49 Set the direction of the drill.
3.50 Insert the screw bit perpendicular to the head of the screw.
3.51 Start slowly and apply constant pressure.
SCREW REMOVAL
3.52 Set the direction of the drill to reverse.
3.53 Insert the screw bit perpendicular to the head of the screw.
3.54 Start slowly and apply constant pressure.
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