OPERATION

USING THE AUXILIARY HANDLE ASSEMBLY

See Figure 15.

An auxiliary handle assembly is packed with the drill for ease of operation and to help prevent loss of control. The handle can be rotated 360°, and it can also be mounted on the opposite side for left hand use.

To adjust the auxiliary handle assembly:

Loosen the handle assembly by turning the handle counterclockwise.

Rotate the handle assembly to the desired operating position.

Securely tighten by turning the handle assembly clockwise.

Be sure the handle assembly is securely tightened against the clamp. This secures the handle assembly.

NOTE: For convenience and ease of starting threads, the hex nut has been trapped inside the molded slot in the handle assembly.

DRILLING

See Figure 16.

Check the direction of rotation selector for the correct setting (forward or reverse).

Secure the material to be drilled in a vise or with clamps to keep it from turning as the drill bit rotates.

Hold the drill firmly and place the bit at the point to be drilled.

Depress the switch trigger to start the drill.

Move the drill bit into the workpiece, applying only enough pressure to keep the bit cutting. Do not force the drill or apply side pressure to elongate a hole. Let the tool do the work.

WARNING:

Be prepared for binding at bit breakthrough. When these situations occur, drill has a tendency to grab and kick opposite to the direction of rotation and could cause loss of control when breaking through material. If not prepared, this loss of control can result in possible serious injury.

When drilling hard, smooth surfaces, use a center punch to mark the desired hole location. This will prevent the drill bit from slipping off-center as the hole is started.

When drilling metals, use a light oil on the drill bit to keep it from overheating. The oil will prolong the life of the bit and increase the drilling action.

If the bit jams in the workpiece or if the drill stalls, stop the tool immediately. Remove the bit from the workpiece and determine the reason for jamming.

 

 

 

360°

 

 

 

ROTATION

AUXILIARY

TO

 

 

HANDLE

 

 

 

TIGHTEN

TO

 

 

 

LOOSEN

Fig. 15

 

 

 

Fig. 16

NOTE: This drill has an electric brake. When the switch trigger is released, the chuck stops turning. When the brake is functioning properly, sparks will be visible through the vent slots on the housing. This is normal and is the action of the brake.

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RIDGID R851150 manual Using the Auxiliary Handle Assembly, Drilling