Milwaukee Heavy-Duty Sanders and Grinders - Manual (Page 11)

page 11
USING WIRE BRUSHES
Installing Wire Cup Brushes (Fig. 14)
Selecting Wire Brushes
Wire brushes are useful for removing rust, scale, burrs, weld slag, etc. A
wide variety of wire brushes are available for many applications.
1. Unplug tool and place it upside down on a level surface. Remove any
accessories from spindle.
NOTE: Never use a guard with a wire cup brush.
2. Thread nylon washer onto spindle. Attach wire cup brush onto spindle.
3. Press the spindle lock button while tightening brush with a wrench (not
provided with tool).
4. To remove wire cup brush, unplug tool and reverse procedure.
Spindle lock button
Fig. 14
Wire cup brush
Nylon washer
Spindle
Everyone in the area must wear protective clothing
and safety goggles or face shields. Fatigued wires
and residue will fly off the brush with considerable
force, causing the potential for serious injuries.
WARNING!
Using Wire Brushes
1. Do not wear loose clothing when using wire brushes. The wires may
catch on loose clothing and pull the clothing into the moving parts.
2. Firmly grasp rear handle and side handle before starting and while
using tool. Always test the wire brush for balance and loose or dam-
aged wires by running tool at no load speed for at least one minute
before applying it to your work.
3. When applying brush to work, avoid using too much pressure. This
causes over-bending of wires and heat build-up resulting in premature
wire breakage, rapid dulling and reduced brush life.
Instead of using more pressure, try a wire wheel brush with more
aggressive cutting action (increased wire size, decreased wire length or
different brush type, i.e. knot type instead of crimped wire type).
Never exceed Maximum Safe Operating Speed of
the brush. Do not use a damaged brush or one which
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.
WARNING!
1. Unplug tool and place it upside down on a level surface. Remove any
accessories from spindle.
2. Thread nylon washer onto spindle. Attach guard and wire wheel brush
onto spindle (see Fig. 2 and 3 for attaching guard).
Position the guard in the location which offers best control and guard
protection. For operating zones that provide maximum protection for
the operator, see Fig. 9.
3. Press the spindle lock button while tightening brush with a wrench
(not provided with tool).
4. To remove wire wheel brush and guard, unplug tool and reverse
procedure.
Installing Wire Wheel Brushes (Fig. 15)
Wire wheel brush
Fig. 15
Guard
Nylon
washer
Spindle
Spindle
lock
button
Because the wires on wire wheel brushes are directed
towards the operator, a Type 27 guard must be used to
protect the operator when fatigued wires break.
WARNING!