7
English
Fig. C
14
15
Proper Hand Position (Fig. C)
WARNING:
To reduce the risk of serious personal
injury,
ALWAYS
use proper hand position as shown.
WARNING:
To reduce the risk of serious personal
injury,
ALWAYS
hold securely in anticipation of a
sudden reaction.
Proper hand position requires one hand on the tool
body
14
, with the other hand on the neck of the die
grinder
15
.
OPERATION
WARNING: To reduce the risk of serious personal
injury, turn unit off and disconnect it from
power source before making any adjustments or
removing/installing attachments or accessories.
An accidental start-up can cause injury.
Mounting an Accessory (Fig. A)
WARNING:
Accessories must be rated at least
equal to the maximum speed marked on the tool.
Accessories running faster than their rated speed can
break and fly apart.
WARNING:
Accessories must be within the capacity
rating marked on the tool. Incorrectly sized accessories
cannot be adequately controlled.
WARNING:
Do not use accessories with a mandrel
length exceeding 2.0" (50 mm). Ensure that the
Accessories (Fig. A)
The capacity of the DWE4997NVS, DWE4997VS is 2"
(50 mm) diameter.
WARNING:
Handle and store all abrasive wheels
carefully to prevent damage from thermal shock, heat,
mechanical damage, etc. Store in a dry protected area
free from high humidity, freezing temperatures or
extreme temperature changes.
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of serious personal
injury, turn unit off and disconnect it from
power source before making any adjustments or
removing/installing attachments or accessories.
An accidental start-up can cause injury.
exposed mandrel length is no more than 1.0" (25 mm)
after inserting accessory into collet.
WARNING:
Projectile hazard. Only use bits with
shanks that match the installed collet.
Smaller
shank bits will not be secure and could become loose
during operation.
CAUTION:
Never tighten the collet without first
installing an accessory in it. Tightening an empty
collet, even by hand, can damage the collet.
This tool comes with a 1/4" (6.35 mm) collet
5
. A 1/8"
reducing sleeve
6
is also available for use with 1/8"
shaft accessories.
1. Hold the spindle
1
using the spindle lock
2
.
2. Loosen the collet nut
3
by turning it counterclockwise.
3. Insert the shank of the accessory into the collet
5
for
accessories with 1/4" shaft.
nOTE:
Insert the reducing sleeve into the collet before
the accessory shaft for use with 1/8" shaft accessories.
4. Securely tighten the collet using the larger
spanner
4
provided.
To remove the accessory, proceed in reverse order.
When starting the tool (with a new or replacement wheel
installed) hold the tool in a well protected area. If the wheel
has an undetected crack or flaw, it should burst in less than
one minute. Never start tool with a person in line with the
wheel. This includes the operator.
Brake
When the paddle switch is released the motor immediately
turns off and electronically brakes stopping the
accessory quickly.
Kickback Brake™
When a severe pinch, stall, or bind-up event is sensed the
electronic brake engages with maximum force to quickly
stop the wheel, reduce the movement of the grinder, and
shut the grinder off. Turn the unit on to restart tool.
Constant Clutch™
When overloaded or stalled the motor torque is reduced. If
load is reduced the torque and RPM will increase. If the tool
is stalled for an extended amount of time it will shut-off and
require the switch to cycle to restart.
Variable Speed Dial (Fig. A)
WARNING:
Regardless of the speed setting, the rated
speed of the accessory must be at least equal to the
maximum speed marked on the power tool.
The variable speed dial offers added tool control and
enables the tool to be used at optimum conditions to suit
the accessory and material.
• Turn the dial
11
to the desired level. Turn the dial to the
right for higher speed and to the left for lower speed.
LED Indicator (Fig. A)
The LED indicator
12
will remain lit green during normal
activity, or blink in a pattern of red light to alert you a
tool protection feature has been activated. Refer to the
LED Guide
at the back of this manual for explanations of
blink patterns.
