RIDGID ZRR86008K Use and Care Manual download pdf (Page 6)

6 - English

OPERATION

HI-LO SPEED SWITCH

See Figure 7, page 9.

 Select LO (1) speed for applications requiring higher

power and torque.

 Select HI (2) speed for fast drilling or driving applications.

NOTE: Running at low speeds under constant usage may

cause the drill to become overheated. If this occurs, cool

the drill by running it without a load and at full speed.

NOTICE:

Never change speeds while the tool is running.

Failure to obey this caution could result in serious

damage to the drill.

ADJUSTING TORQUE

See Figure 7, page 9.

Rotate the adjustment ring to the proper torque setting for

the type of material and size of screw you are using.

• 1-4 Fordrivingsmallscrews

• 5-8 Fordrivingscrewsintosoftmaterial

• 9-12 Fordrivingscrewsintosoftandhard

materials

• 13-16 Fordrivingscrewsintohardwood

• 17-23 Fordrivinglargescrews

•  For heavy drilling

DRILLING

See Figure 8, page 9.

 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.

NOTE: This drill has an electric brake. When the switch trig-

ger 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.

WOOD AND METAL DRILLING

For maximum performance, use high speed steel bits for

woodormetaldrilling.Begindrillingataverylowspeedto

prevent the bit from slipping off the starting point.

Wood drilling

 Increasethespeedasthedrillbitbitesintothematerial.

 When drilling through holes, place a block of wood behind

the workpiece to prevent ragged or splintered edges on

thebacksideofthehole.

Metal and Steel drilling

 Maintain a speed and pressure which allows cutting

without overheating the bit. Applying too much pressure

will:

 •Overheatthedrill;

 •Wearthebearings;

 •Bendorburnbits;and

 •Produceoff-centerorirregular-shapedholes.

 When drilling large holes in metal, start with a small bit,

then finish with a larger bit. Also, lubricate the bit with oil

to improve drilling action and increase bit life.

INSTALLING/REMOVING THE AUXILIARY

HANDLE

See Figures 9 - 10, page 9.

The drill is equipped with an auxiliary handle assembly that can

be mounted on either side of the drill for right or left hand use.

To install the auxiliary handle:

 Turn the handle grip counterclockwise to loosen it and

open the hooks wide enough to fit over the mounting ribs,

behind the torque adjustment ring.

 Place the hooks over the mounting ribs, making sure the

hooks are positioned in the slots as shown.

 Turn the handle clockwise to tighten. Make sure the

handle is secure before beginning operation.

To remove the handle and install it on the opposite side:

 Turn the handle grip counterclockwise to loosen and

remove the handle.

 Reinstall the handle in the desired position.

NOTE: Maintenance information begins on page 7 after

French and Spanish language sections. Figures (Illustra-

tions) start on page 8.

This product has a 90-Day Satisfaction Guarantee Policy,

as well as a Three-year Limited Warranty. For Warranty

and Policy details, please go to www.RIDGID.com or call

(toll free) 1-866-539-1710.

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RIDGID ZRR86008K Use and Care Manual Page 6

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