6. Remove the tool from the work surface
before turning the tool off. Allow the tool to
stop rotating before setting it down.
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.
NOTE: All grinders that use Type 1 wheels use the quick-change
backing flange (G1).
WARNING: A closed, 2-sided cutting wheel guard is not included
with this tool (D28140, D28144, D28144N ONLY) and is re quired
when using cutting wheels. Fail ure to use proper flange and guard
can re sult in injury resulting from wheel breakage and wheel
contact. See page 7 for more information.
MOUNTING CLOSED (TYPE 1) GUARD
WARNING: Turn off and unplug the tool before making any
adjustments or removing or installing attachments or acces-
sories. Before reconnecting the tool, turn the switch on and
off as previously described to ensure that the tool is off.
1. Open the guard latch (M). Align
the lugs (N) on the guard with the
slots (O) on the gear case.
2. Push the guard down until the
guard lug engages and rotates
freely in the groove on the gear
case hub.
3. Rotate guard (I) into desired working
4. Close the guard latch to secure the
5. To remove the guard, open the guard latch, rotate the guard so
NOTE: If, after a period of time, the guard becomes loose, tighten
the adjusting screw (P) with the clamp lever in the closed position.
open position. Undetectable damage to guard or mounting hub
may result.
MOUNTING CUTTING WHEELS
adjustments or removing or installing attachments or acces-
sories. Before reconnecting the tool, turn the switch on and
O
off as previously described to ensure that the tool is off.
clamp nut (included with tool) must be used for cutting wheels.
1. Place the quick-change backing flange on spindle with the
N
M
14
position. The guard body should be
positioned between the spindle and
the operator to provide maximum
operator protection.
guard on the gear case cover. You
should be unable to rotate the guard by
hand when the latch is in closed posi-
tion. If rotation is possible, tighten the
adjusting screw (P) with clamp lever in
the closed position. Do not operate
grinder with a loose guard or clamp
lever in open position.
that the arrows are aligned and pull up on the guard.
CAUTION: Do not tighten adjusting screw with clamp lever in
WARNING: Turn off and unplug the tool before making any
CAUTION: Matching diameter backing flange and threaded
raised section (pilot) facing up. The raised section (pilot) on
the backing flange will be against the wheel when the wheel is
installed.
I
P