Operation Manual

ENGLISH
43
When using the DWE4557, DWE4597, DWE4559,
DWE4579, DWE4599 or the DWE4579R grinder for
cutting metal or masonry a Type 1 guard MUST be
used. Type 1 guards are available at extra cost from
DEWALT distributors.
NOTE: Please refer to the Grinding and Cutting
Accessory Chart at the end of this section to
show other accessories that can be used with these
grinders.
1. Place the angle grinder on a table, spindle up.
2. Release the clamping lock (h) and hold the
guard (d) over the tool as shown.
3. Align the lugs (i) with the notches (j).
4. Press the guard down and rotate it to the
required posiiton.
5. If required, increase the clamping force by
tightening the screw (k).
6. Tighten the clamping lock.
To remove the guard, release the clamping lock.
CAUTION: If the guard cannot be
tightened by the adjusting screw, do
not use the tool. To reduce the risk of
personal injury, take the tool and guard
to a service center to repair or replace
the guard.
Fitting and Removing a Grinding or
Cutting Disc (fi g. 3–5)
WARNING: Do not use a damaged
disc.
1. Place the tool on a table, guard up.
2. Fit the backing flange (l) correctly onto the
spindle (m) (fig. 3).
3. Place the disc (o) on the backing flange (l)
(fig.4). When fitting a disc with a raised center,
make sure that the raised centre (p) is facing the
backing flange (l).
4. Screw the threaded clamp nut (n) onto the
spindle (m) (fig. 5):
a. The ring on the threaded clamp nut (n) must
face towards the disc when fitting a grinding
disc (fig. 5A);
b. The ring on the threaded clamp nut (n) must
face away from the disc when fitting a cutting
disc (fig. 5B).
5. Press the spindle lock button (c) and rotate the
spindle (m) until it locks in position (fig. 4).
6. Tighten the threaded clamp nut (n) with the
two-pin spanner supplied. NOTE: Refer to
Fitting and Removing a Grinding or Cutting
Disc with a Keyless Flange when using the
DWE4579R.
7. Release the spindle lock.
8. To remove the disc, loosen the threaded clamp
nut (n) with the two-pin spanner.
Fitting and Removing a Grinding or
Cutting Disc with a Keyless Flange
(fi g. 7, 8)
DWE4579R ONLY
1. Perform steps 1–5 of Fitting and Removing a
Grinding or Cutting Disc.
2. Tighten the threaded keyless flange (s) by
turning it by hand clockwise firmly. (Only use a
flawless keyless flange.)
a. Be sure that the printed side of the keyless
flange is facing you.
b. The arrow must point to the index mark
(fig.7).
3. Release the spindle lock.
An undamaged keyless flange can be loosened
by hand when turning the flange ring in an anti-
clockwise direction.
NOTICE: NEVER loosen a tight keyless
flange with pliers. Always use the the
two-pin spanner (t) (fig. 8).
Prior to Operation
• Install the guard and appropriate disc or wheel.
Do not use excessively worn discs or wheels.
• Be sure the inner and outer flange are mounted
correctly.
• Make sure the disc or wheel rotates in the
direction of the arrows on the accessory and the
tool.
OPERATION
Instructions for Use
WARNING: Always observe the safety
instructions and applicable regulations.
WARNING: To reduce the risk
of serious personal injury, turn
tool off and disconnect tool from
power source before making any
adjustments or removing/installing
attachments or accessories. Before
reconnecting the tool, depress and
release the trigger switch to ensure that
the tool is off.