DeWalt DCG409VSX1 Original Instructions Manual page 15

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To actuate the fuel gauge, press and hold the fuel gauge
button 
. A combination of the three green LED lights will
 25 
illuminate designating the level of charge left. When the level of
charge in the battery is below the usable limit, the fuel gauge
will not illuminate and the battery will need to be recharged.
nOTE: The fuel gauge is only an indication of the charge left on
the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end‑user application.
Attaching the Auxiliary Handle (Fig. D)

WARNING: This handle SHOULD BE USED AT ALL
TIMES to maintain complete control of the tool.
Always make sure the handle is tight.
Screw the auxiliary handle 
mounting holes 
of the gear case.
 24 
Rotating the Gear Case (Fig. E)
To improve user comfort, the gear case will rotate 90 ° for
cutting operations.
1. Remove the four corner screws attaching the gear case to
motor housing.
2. Without separating the gear case from motor housing,
rotate the gear case head to desired position.
nOTE: If the gear case and motor housing become
separated by more than 3 mm, the tool must be serviced
and re‑assembled by a D
have the tool serviced may motor and bearing failure.
3. Reinstall screws to attach the gear case to the motor
housing. Tighten screws to 1.4 Nm torque. Overtightening
could cause screws to strip.
Guards

CAUTION: Guards must be used with all grinding
wheels, cutting wheels, sanding flap discs, wire
brushes, and wire wheels. The tool may be used without
a guard only when sanding with conventional 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 authorised service centre.

CAUTION: When using a Type A (cut‑off) wheel guard
for facial grinding, the wheel guard may interfere with
the workpiece causing poor control.

CAUTION: When using a Type B (grinding) wheel guard
for cutting‑off operations with bonded abrasive wheels,
there is an increased risk of exposure to emitted sparks and
particles, as well as exposure to wheel fragments in the
event of wheel burst.

CAUTION: When using a Type A (cut‑off), Type B (grinding)
wheel guard for cutting‑off and facial operations in
concrete or masonry, there is an increased risk of exposure
to dust and loss of control resulting in kickback.
nOTE: Edge grinding and cutting can be performed with Type
27 wheels designed and specified for this purpose; 6 mm thick
wheels are designed for surface grinding while thinner Type
27 wheels need to be examined for the manufacturer's label to
tightly into one of the threaded
 4 
WALT service center. Failure to
e
see if they can be used for surface grinding or only edge grinding/
cutting. A Type A (cut‑off) wheel guard must be used for any
wheel where surface grinding is forbidden. A Type A (cut‑off)
(previously called type 1/41) wheel guard must be used for for
any dual purpose (combined grinding and cutting‑off abrasive)
wheels. Cutting can also be performed by using a Type 1/41
wheel and a Type A cut‑off wheel guard previously called Type
1/41 guard.
nOTE: See the Accessory and Guard Applications Chart to
select the proper guard / accessory combination.
Mounting and Adjusting the One‑Touch
(Fig. E)

WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack
before making any adjustments or removing/
installing attachments or accessories. An accidental
start‑up can cause injury.
Adjusting the guard
For guard adjustment, the guard release lever 
one of the alignment holes 
ratcheting feature.
The engaging face is slanted 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.
Mounting the guard (Fig. E)
1. Press the guard release lever 
2. While holding the guard release lever open, align the
lugs 
on the guard with the slots 
 13 
3. Keeping the guard release lever open, 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. With the spindle facing the operator, rotate the guard
clockwise into the desired working position. Press and
hold the guard release lever 
anti‑clockwise direction.
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 
on the guard collar. This ensures that
 12 
the guard is secure.
5. To remove the guard, follow steps 1–3 of these instructions
in reverse.
Flanges and Wheels

WARNING: To reduce the risk of serious personal
injury, turn unit off and remove the battery pack
before making any adjustments or removing/
installing attachments or accessories. An accidental
can cause injury.
Guard
TM
engages
 8 
on the guard collar using a
 12 
.
 8 
on the gear case.
 15 
to rotate the guard in the
 8 
English
13

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