Porter-Cable 90550130 User Manual download pdf (Page 11)

Keyless Chuck - Figure I

To insert a drill bit or other accessory:

1. Grasp the chuck (5) and rotate it in the

counterclockwise direction, as viewed

from the chuck end.

2. Insert the bit or other accessory fully into

the chuck, and tighten securely by

rotating the chuck in the clockwise

direction as viewed from the chuck end.

Do not attempt to tighten drill

bits (or any other accessory) by gripping the

front part of the chuck and turning the tool

on. Damage to the chuck and personal

injury may occur when changing

accessories.

Screw Driving

For driving fasteners, the reversing button should be pushed to the left. Use reverse

(button pushed to the right) for removing fasteners. When moving from forward to

reverse, or vice versa, always release the trigger switch first.

On Board Bit Storage

A bit storage slot is built-in to the area just above the battery.

Drilling

• Use sharp drill bits only.

• Support and secure work properly, as instructed in the Safety Instructions.

• Use appropriate and required safety equipment, as instructed in the Safety

Instructions.

• Secure and maintain work area, as instructed in the Safety Instructions.

• Run the drill very slowly, using light pressure, until the hole is started enough to keep

the drill bit from slipping out of it.

• Apply pressure in a straight line with the bit. Use enough pressure to keep the bit biting

but not so much as to stall the motor or deflect the bit.

• Hold the drill firmly with one hand on the grip and the other hand on the bottom of the

battery pack to control its twisting action.

• DO NOT CLICK THE TRIGGER OF A STALLED DRILL OFF AND ON IN AN

ATTEMPT TO START IT. DAMAGE TO THE DRILL CAN RESULT.

• Minimize stalling on breakthrough by reducing pressure and slowly drilling through the

last part of the hole.

• Keep the motor running while pulling the bit out of a drilled hole. This will help reduce

jamming.

• Make sure switch turns drill on and off.

Drilling in Wood

Holes in wood can be made with the same twist drill bits used for metal or with spade

bits. These bits should be sharp and should be pulled out frequently when drilling to

clear chips from the flutes.

Drilling in Metal

Use a cutting lubricant when drilling metals. The exceptions are cast iron and brass

which should be drilled dry. The cutting lubricants that work best are sulfurized cutting oil

or lard oil.

Drilling in Masonry

Use carbide tipped masonry bits. Refer to Drilling section. Keep even force on the drill

but not so much that you crack the brittle material. A smooth, even flow of dust indicates

the proper drilling rate.

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Porter-Cable 90550130 User Manual Page 11

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