14
ENGLISH
Attaching an AirLock
™
Compatible Dust
Extractor (Fig. F)
WARNING: Do not use dust extraction when cutting
metal. Swarf from metal cutting may be hot and may
spark which can melt vacuum hoses and may cause a fire
inside thevacuum.
WARNING: When using dust extraction, empty vacuum
before work begins and often during work. Use care in
disposing of dust. Dust can be hazardous to health if
inhaled, ingested or in contact with the skin. Materials in
fine dust can beexplosive.
Your tool is compatible with the DeWALT AirLock™ connection
system. The AirLock™ allows for a fast, secure connection
Mounting, Removing and Adjusting the Dust
Shroud (Fig. A, E)
NOTE: The dust shroud is only for tile/concrete and drywall
cutting applications to connect to a vacuum for dust
collecting. We do not recommend use of the shroud for metal
cuttingapplications.
1. Remove thebattery.
2. With the wheel properly installed, rotate the guard
12
all
the wayforward.
3. Loosen the depth of cut wing nut
11
and fully extend the
shoe. Hand‑tighten the depth of cutknob.
4. Maneuver the upper guard and wheel into the dust shroud
assembly
9
and rotate tool to lock in place. The front of the
guard will rest against the stop inside the assembly, and the
back of the guard will catch the release tab
20
.
To Remove the Dust Shroud
1. Remove thebattery.
2. Loosen the depth of cut wing nut and fully extend the shoe.
Hand‑tighten the depth of cut wingnut.
3. Press in the shroud release button
21
and rotate the tool
out of the dust shroudassembly.
To Adjust the Depth of Cut
1. Loosen the depth of cut wing nut and slide the shroud up
or down. Use the markings on the depth of cut gauge to
help determine proper depth. Adjust the cutting depth to
the thickness of the workpiece. Less than 1/4" of the wheel
should be visible below theworkpiece.
Adjusting the Guard Angle (Fig. D)
WARNING: There is a higher risk of kickback when guard
is moved backwards leading to wider opening. The guard
must be opened wider only whenrequired.
You can adjust the angle of theguard.
1. Remove thebattery.
2. Grasp the guard
12
firmly and rotate to desiredangle. The
guard can rotate 30degrees, forward orbackward.
Installing Wheels (Fig. A, C)
WARNING: Burn Hazard. Sharp parts. ALWAYS wear
gloves when changing wheels. Wheels have sharp edges
or may get extremely hot during operation, and may
damage barehands.
WARNING: To reduce the risk of injury, only use wheels
that are no greater than 76mm in diameter, have an inner
diameter of 10mm, and without cutting teeth. Thickness
of wheel not to exceed 0.09”. Type 1wheels are for side
grinding only, not surface grinding. Never force a wheel
onto the machine or alter the size of the arborhole.
1. Remove thebattery.
2. Lay unit on a firm surface, with the spindle
15
facingupward.
3. Hold spindle lock button
6
to keep the spindle
fromturning. Spindle threads are lefthand.
4. Using supplied 6mm wrench
13
, remove spindle
screw
18
, outer flange
17
, used wheel
19
if one is
installed and inner flange
16
. Spindle threads are lefthand.
5. Slip the inner flange over thespindle.
6. Slip wheel over spindle. Make sure wheel goes over pilot
diameter of innerflange.
NOTE: When installing diamond wheels, always match
direction of rotation of the wheel to the desired direction of
rotation of the tool. Diamond wheels will not cut effectively
unless the direction marked on the wheel matches the
direction of rotation. Check the setting of the forward/
reverse/lock off button
5
to make sure it matches the
direction marked on thewheel.
7. Slip on outer flange with the flat side towards the
cut‑offwheel.
NOTE: The text "LOOSE TIGHTEN" will be visible when
installedcorrectly.
8. Start threading on spindle screw which will self align
outer flange. Make sure the wheel is fitted in the
correctorientation.
9. Engage spindle lock button and tighten nut with wrench.
Do not over tighten spindlescrew.
10. Turn wheel by hand to ensure it is properly centered. The
wheel should not hit the shoe, guard or spindle screw. The
spindle screw and flanges should betight.
To reduce the risk of injury, only DeWALT recommended
accessories should be used with thisproduct.
A dull wheel will cause slow inefficient cutting, overload the
motor, could cause excessive splintering, and could increase
the possibility of kickback. Please refer to the table below to
determine the correct wheel for yourapplication.
Wheel type Application
Diamond Multi‑Material Wheel
(DT20590‑QZ)
Drywall, fiber cement, plastic, steel, non ferrous
materials
Bonded Abrasive Wheel
(DT20592‑QZ)
Steel, stainless steel, non‑ferrous materials
Diamond Tile Wheel
(DT20591‑QZ)
Ceramic Tile, Porcelain and Granite/Marble/
Stone
WARNING: If the spindle screw has not been tightened
securely, it can loosen with the F (forward) direction
ofrotation.