Manual de uso Milwaukee 6141-30 Amoladora angular

Manual de uso

8

Using Cut-O󰀨 Wheels

Cut-O󰀨 Wheels are suited for small cut-o󰀨 and shal-

low notching operations only.

WARNING

The guard type must match the

wheel type to provide maximum

protection for the operator if the wheel should

break.

When using a cut-o󰀨 wheel, hold the tool as shown,

using only the edge of the wheel. WARNING! Using

the face of a Cut-O󰀨 Wheel (as in grinding) will cause

the Wheel to crack and break, resulting in serious

personal injury.

Using Wire Brushes

Wire brushes are useful for removing rust, scale,

burrs, weld slag, etc.

WARNING

Everyone in the area must wear

protective clothing and safety

goggles or face shields. Fatigued wires and

residue will y o󰀨 the brush with considerable

force, causing potential for serious injury.

Never exceed Maximum Safe Operating Speed of

brush. Do not use a damaged brush or one that

is functioning improperly (throwing wires, out-

of-balance, etc.). These conditions increase the

possibility of further brush failure and possible

injury. Discard and replace damaged brushes

immediately.

A Type "27" guard must be properly installed

when using a wire wheel brush to provide maxi-

mum protection for the operator when fatigued

wires break. (See "Removing/Installing/Adjusting

the guard".)

Always install wire brushes according to the acces-

sory manufacturer’s instructions. Only use acces-

sories with threads matching the tool spindle.

Wire Wheel Brush

Guard

Wire

Cup

Brush

Test wheel for balance and loose or damaged wires

by letting it spin for one minute before applying it to

the workpiece. During this time, no one should stand

in front of or in line with it.

Control pressure and surface contact between

wheel and workpiece. Too much pressure causes

over-bending of wires and heat build-up causing

premature wire breaking, rapid dulling and reduced

brush life. Instead of more pressure, try a wire wheel

with more aggressive cutting action (increased wire

size, decreased wire length or di󰀨erent brush type

(knot type vs. crimped wire type).

Using Sanding Discs

Hold tool at 5° to 15° angle to ensure proper sanding

pressure and control. Too great an angle will result

in too much pressure and could cause excessive

wear to the disc and workpiece. Too small an angle

will reduce control.

Use long, sweeping, side to side strokes, advancing

forward to produce the desired nish.

For best result use only this portion of disc

Hold at a 5° to

15° angle

Cross Sanding - When nishing a surface that

has been prepared by a coarse disc or wheel, sand

at right angles to the strokes made by the coarser

disc. Finishing marks left from previous sanding are

easily seen and removed for a uniform nish. Failure

to cross sand when changing from a coarse disc to

a nishing disc may result in deep scratches and

circular marks.

Removing Welds or Hammer Marks - When remov-

ing welds or hammer marks, limit coarse sanding to

the immediate area. Use successively ner grits to

smooth surface.

Finishing Metal - Constantly move across the sur-

face. Work faster on curved surfaces where contact

areas are smaller and pressure is greater. Flat areas

may appear at the end of the stroke when pressure

is too heavy. Ease up on pressure at end of each

stroke and when reversing strokes.

Troubleshooting

Deep scratches and circular marks can result from:

• Using too coarse a grit

• Using a partially glazed disc

• Dirt or loose metal on the workpiece

• Failure to sand across the grain when changing from

coarse to nishing discs

• Failure to use closed coated discs to reduce the

problem of grains working loose and scratching the

workpiece

Bluish discoloration of metal surface indicates:

• Excessive heat caused by circular motion in a small area

• Excessive pressure

• Use of worn out or glazed discs

Puntuación

Más sobre este manual

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