Handleiding Milwaukee 1670-1 (pagina 4 van 13) (Engels, Frans, Spaans)

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The operator should also prepare for a sudden

reaction by holding securely using the pipe handle

or bracing against a solid ﬁ xed object.

To reduce the chance of bit binding

• Use sharp bits. Sharp bits are less likely to bind

when drilling.

• Use the proper bit for the job. There are many

types of bits designed for speciﬁ c purposes.

• Use the proper speed for the size bit. Larger bits

should be run at the lower speed. Driving larger

bits at high speeds will increase the chance of the

bit binding and increase the chance of reaction.

• Avoid drilling warped, wet, knotty, and or pitchy

material if possible.

• Avoid drilling in material that you suspect contains

hidden nails or other things that may cause the bit

to bind.

The direction of reaction is always opposite of the

direction of bit rotation.

Reaction is even more likely to occur when enlarg-

ing already existing holes and at the point when the

bit breaks through the other side of the material.

Bracing for forward rotation

Fig. 5

Fig. 4

When drilling in forward, the bit will rotate in a

clockwise direction. If the bit binds in the hole, the

bit will come to a sudden stop and drill will suddenly

react in a counterclockwise direction.

Figures 4 and 5 show examples of a Hole Hawg

properly braced for forward rotation.

A. Forward (clockwise) rotation

B. Reaction

C. Brace drill with pipe handle here

D. Brace drill with motor housing here

If the bit binds, the pipe handle or the motor housing

braced against the stud will hold the drill in position.

ACCESSORIES

For a complete listing of accessories refer to your

MILWAUKEE Electric Tool catalog or go on-line

to www.milwaukeetool.com. To obtain a catalog,

contact your local distributor or a service center.

WARNING To reduce the risk of injury,

always unplug the tool before attaching or

removing accessories. Use only speciﬁ cally

recommended accessories. Others may be

hazardous.

Maintaining Tools

Keep your tool in good repair by adopting a regular

maintenance program. Before use, examine the

general condition of your tool. Inspect guards,

switches, tool cord set and extension cord for

damage. Check for loose screws, misalignment,

binding of moving parts, improper mounting, bro-

ken parts and any other condition that may affect

its safe operation. If abnormal noise or vibration

occurs, turn the tool off immediately and have the

problem corrected before further use. Do not use a

damaged tool. Tag damaged tools “DO NOT USE”

until repaired (see “Repairs”).

Under normal conditions, relubrication is not neces-

sary until the motor brushes need to be replaced.

After six months to one year, depending on use,

return your tool to the nearest MILWAUKEE service

facility for the following:

• Lubrication

• Brush inspection and replacement

• Mechanical inspection and cleaning (gears, spin-

dles, bearings, housing, etc.)

• Electrical inspection (switch, cord, armature, etc.)

• Testing to assure proper mechanical and electrical

operation

WARNING To reduce the risk of injury,

electric shock and damage to the tool, never

immerse your tool in liquid or allow a liquid

to ﬂ ow inside the tool.

MAINTENANCE

WARNING To reduce the risk of injury,

always unplug your tool before performing

any maintenance. Never disassemble the tool

or try to do any rewiring on the tool’s electrical

system. Contact a MILWAUKEE service facility

for ALL repairs.

Cleaning

Clean dust and debris from vents. Keep the tool

handles clean, dry and free of oil or grease. Use

only mild soap and a damp cloth to clean your

tool since certain cleaning agents and solvents

are harmful to plastics and other insulated parts.

Some of these include: gasoline, turpentine, lacquer

thinner, paint thinner, chlorinated cleaning solvents,

ammonia and household detergents containing

ammonia. Never use ﬂ ammable or combustible

solvents around tools.

Repairs

If your tool is damaged, return the entire tool to the

nearest service center.

Bracing for reverse rotation

When drilling in reverse, the bit will rotate in a

counterclockwise direction. If the bit binds in the

hole, the bit will come to a sudden stop and the

drill will suddenly react in a clockwise direction.

Figures 6 and 7 show examples of the Hole Hawg

properly braced for reverse rotation.

A. Reverse (counterclockwise) rotation

B. Reaction

C. Brace drill with pipe handle here

D. Brace drill with motor housing here

If the bit binds, the pipe handle or the motor housing

braced against the stud will hold the drill in position.

Reversing

A reversing switch is located below the trigger switch

for removal of bits from holes. Permit the motor to

come to a complete stop before reversing. Reversing

the tool with the gears in motion may cause severe

damage. When removing selfeed bits from partially

drilled holes, a ﬂ ick of the trigger switch will free the

threaded pilot screw. When the threads are loose, lift

the bit from the workpiece with the motor stopped.

Shifting Speeds

Cat. No. 1675-1 has a gear shift

lever on the right side of the

gear case.

The high setting (1200 RPM HI)

is the low torque setting and is

designed for driving Selfeed bits

1-3/8" in diameter and smaller.

The low setting (300 RPM LO)

is the high torque setting and is

designed for driving Selfeed bits

1-1/2" in diameter and larger.

Always turn off the switch and

shift while the tool is coasting to

a stop. Never shift the drill while it is moving at full

speed, when it is under load, or when it is stopped.

Fig. 6

Fig. 7

Drilling

Before drilling, clamp down the material securely.

A poorly secured piece of material may result in

personal injury or inaccurate drilling. When drilling

in light gauge metal or wood, use a wooden block

to back up the material to prevent damage to the

workpiece.

Mark the center of the hole to be drilled with a

center punch to give the bit a start and to prevent

it from "walking." Lubricate the drill bit with cutting

oil when drilling iron or steel. Use a coolant when

drilling nonferrous metals such as copper, brass

or aluminum.

To start a selfeed bit, run the threaded feed screw

into the work by ﬂ icking the trigger switch, permit-

ting the bit to coast until the teeth contact the work

surface. Align the bit properly before proceeding.

This will reduce cocking and jamming when start-

ing. To reduce jamming on breakthrough, decrease

the drilling pressure when the feed screw point

breaks through the workpiece. Proceed with steady,

even pressure.

Fig. 8

Chuck Removal

To remove the chuck from the drill:

1. Unplug tool.

2. Fully open the chuck jaws

3. Remove the left-handed thread screw from

inside the chuck by turning it clockwise.

4. Pull the chuck off of the spindle.

NOTE: If the chuck does not pull off of the

spindle easily, tap the side of the chuck with a

hammer to loosen it. If this doesn't work, contact

a MILWAUKEE service center.

WARNING To reduce the risk of injury,

always wear eye protection.

WARNING To reduce the risk of electric

shock, check work area for hidden pipes and

wires before drilling or driving screws.

Milwaukee 1670-1 Handleiding

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