DeWalt DWE4203 Instructions Manual page 39

sanding discs. Refer to Figure A to see guards provided
with the unit. Some applications may require purchasing
the correct guard from your local dealer or authorized
service centre.
nOTE: Edge grinding and cutting can be performed with Type
27 wheels designed and specified for this purpose; 6.35 mm
thick wheels are designed for surface grinding while thinner
Type 27 wheels need to be examined for the manufacturer's
label to see if they can be used for surface grinding or only
edge grinding/cutting. A Type 1 guard must be used for any
wheel where surface grinding is forbidden. Cutting can also be
performed by using a Type 41 wheel and a Type 1 guard.
nOTE: See the Accessories Chart to select the proper guard /
accessory combination.
Adjusting and Mounting Guard (Fig. C, D)

CAUTION: Turn unit off and unplug the tool before
making any adjustments or removing or installing
attachments or accessories.

CAUTION: BEFORE operating the tool, identify which
guard adjustment option your tool is set to.
adjustment Options
For guard adjustment, the guard release lever
the alignment holes 15 on the guard collar using a ratcheting
feature. Your grinder offers two options for this adjustment.
• One-touch : In this position the engaging face is slanted
TM
and will ride over to the next alignment hole when guard
is rotated in a clockwise direction (spindle facing user) but
self-locks in the anti-clockwise direction.
• Two-touch : In this position the engaging face is straight
TM
and squared off. It will NOT ride over to the next alignment
hole unless guard release lever is pressed and held while
simultaneously rotating the guard in either a clockwise or
anti-clockwise direction (spindle facing user).
One-Touch
TM
setting Guard adjustment Options
To adjust the guard release lever
adjustment option:
1. Remove screw 12 using a T20 bit.
2. Remove the guard release lever taking note of the spring
position. Choose the end of the lever for the desired
adjustment option. One-touch will use the slanted end of
the lever 9 to engage the alignment holes
collar. Two-touch will use the squared end to engage the
alignmnet holes 15 on the guard collar.
3. Replace the lever, positioning the chosen end under the
spring 13 . Ensure the lever is in proper contact with
the spring.
9 engages one of
Two-Touch
TM
9 for desired
15 on the guard
4. Replace screw and torque to 2.0-3.0N-m. Ensure proper
installation with spring return function by depressing guard
release lever 9 .
Mounting Guard (Fig. D)

CAUTION: Prior to mounting guard, ensure the screw,
lever, and spring are fitted correctly before mounting
the guard.
1. With the spindle facing the operator, press and hold the
guard release lever 9 .
2. Align the lugs 13 on the guard with the slots
gear case.
3. Push the guard down until the guard lugs engage and
rotate them in the groove on the gear case hub. Release the
guard release lever.
4. To position the guard:
One-touch : Rotate the guard clockwise into the desired
TM
working position. Press and hold the guard release lever
release lever to rotate the guard in the anti-clockwise
direction.
Two-touch : Press and hold the guard release lever
TM
Rotate the guard clockwise or anti-clockwise into the
desired working position.
nOTE: The guard body should be positioned between the
spindle and the operator to provide maximum operator
protection.
The guard release lever should snap into one of the
alignment holes 15 on the guard collar. This ensures that
the guard is secure.
5. To remove the guard, follow steps 1–3 of these instructions
in reverse.
Flanges and Wheels
Mounting Non-Hubbed Wheels (Fig. E)

WARNING: Failure to properly seat the flange/ clamp nut/
wheel could result in serious injury (or damage to the tool
or wheel).

CAUTION: Included flanges must be used with depressed
centre Type 27 and Type 42 grinding wheels and Type 41
cutting wheels. See the accessories chart for more
information.

WARNING: A closed, two-sided cutting wheel guard is
re quired when using cutting wheels.

WARNING: Use of a damaged flange or guard or fail ure
to use proper flange and guard can re sult in injury due to
wheel breakage and wheel contact. See the accessories
chart for more information.
1. Place the tool on a table, guard up.
2. Install the unthreaded backing flange
the raised centre (pilot) facing the wheel.
3. Place wheel 16 against the backing flange, centreing the
wheel on the raised centre (pilot) of the backing flange.
4. While depressing the spindle lock button and with the
hex depressions facing away from the wheel, thread the
clamp nut 5 on spindle so that the lugs engage the two
slots in the spindle.
EnGLIsh
14 on the
9
.
9
on spindle with
4 2
37