DeWalt DWE4100 Instruction Manual page 17

1.Allow thetooltoreach f ullspeed b eforeFIG. 16
touching the tool t othe work surface.
2.Apply m inimum pressure towork surface,
allowing t he toolto operate a t high
speed. Material removal rate isgreatest
when t hetool o perates athigh speed.
3.Maintain a5°to10 °angle b etween thetool a nd work surface for
wire cupbrushes.
4.Maintain contact between theedge ofthewheel andthework
surface with wire wheels.
5.Continuously move thetool i na forward and FIG. 17
back motion t oavoid creating gouges inthe
work surface. Allowing thetool t orest o nthe
work surface without moving, ormoving t he
toolina circular motion c auses b urning and
swirling marks o nthe work surface.
6.Remove the tool f rom the work surface before turning t he tool o ff.
Allow thetool t ostop rotating before setting i tdown.
,_ CAUTION: Use extra care when working over an edge, as a
sudden sharp movement of grinder may be experienced.
Mounting and Using Cutting
(Type 1) Wheels
Cutting wheels include diamond wheels and abrasive discs. Abrasive
cutting wheels for metal and concrete use are available. Diamond
blades for concrete cutting can also be used.
A WARNING: A closed, 2-sided cutting wheel guard is not included
with this tool but is required when using cutting wheels. Failure to use
proper flange and guard can result in injury resulting from wheel
breakage and wheel contact. See page 10 for more information.
MOUNTING CLOSED (TYPE 1) GUARD (FIG. 18-20)
_ WARNING: If present, the ONE TOUCH
TM
guard screw, lever and
spring must be removed before attempting to mount the closed
(Type 1) guard. The removed parts must be retained and reinstalled
to use the ONE TOUCH
TM
guard. Noting the position of these parts
before disassembly will aid in reassembly.
1. Open the guard latch (Q). Align the FIG.18
lugs (L) on the guard with the slots
(M) on the gear case. M
2. Push the guard down until the guard
lug engages and rotates freely in
the groove on the gear case hub.
3. Rotate guard (F) into desired
working position. The guard body
should be positioned between the L
spindle and the operator to provide Q
nlaximum operator protection.
4. Close the guard latch to secure the FIG.19
guard on the gear case cover. You
should be unable to rotate the guard by
hand when the latch is in closed
position. If rotation is possible, tighten
the adjusting screw (R) with clamp lever
in the closed position. Do not operate F
grinder with a loose guard or clamp
lever in open position.
5,
To remove the guard, open the guard latch, rotate the guard so
that the arrows are aligned and pull up on the guard.
16