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•
Air vents often cover moving parts and should be
avoided. Loose clothes, jewelry or long hair can be
caught in moving parts.
•
An extension cord must have adequate wire size
(AWG or American Wire Gauge) for safety. The
smaller the gauge number of the wire, the greater the
capacity of the cable, that is, 16 gauge has more capacity
than 18 gauge. An undersized cord will cause a drop in
line voltage resulting in loss of power and overheating.
When using more than one extension to make up the
total length, be sure each individual extension contains at
least the minimum wire size. The following table shows
the correct size to use depending on cord length and
nameplate ampere rating. If in doubt, use the next heavier
gauge. The lower the gauge number, the heavier the cord.
Minimum gauge for Cord sets
Total length of Cord in Feet
Volts
120 V
25 (7.6)
240 V
50 (15.2) 100 (30.5) 200 (61.0) 300 (91.4)
Ampere Rating
More
not
Than
More
Than
0
6
18
6
10
18
10
12
16
12
16
14
The label on your tool may include the following symbols. The
symbols and their definitions are as follows:
V ......................... volts
Hz ....................... hertz
min ..................... minutes
or DC ...... direct current
...................... Class I Construction
(grounded)
.../min .............. per minute
BPM .................... beats per minute
IPM ..................... impacts per minute
RPM .................... revolutions per
minute
sfpm ................... surface feet per
minute
SPM .................... strokes per minute
A ......................... amperes
W ........................ watts
Wh ...................... watt hours
Ah ....................... amp hours
Motor
Be sure your power supply agrees with the nameplate
marking. Voltage decrease of more than 10% will cause loss
of power and overheating. These tools are factory tested; if
this tool does not operate, check power supply.
6
(meters)
50 (15.2) 100 (30.5) 150 (45.7)
American Wire gauge
16
16
16
14
16
14
12
Not Recommended
or AC ........... alternating current
or AC/DC .... alternating or
direct current
...................... Class II
Construction
(double insulated)
n o ....................... no load speed
n ......................... rated speed
...................... earthing terminal
..................... safety alert symbol
..................... visible radiation
..................... wear respiratory
protection
..................... wear eye
protection
..................... wear hearing
protection
..................... read all
documentation
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.
Attaching Sanding Discs (Fig. B)
Your DWE7800 drywall sander is designed to use 9"
(230 mm) sanding discs
attach with hook and loop.
The recommended sanding discs are available at extra cost
from your local dealer or authorized D
To Attach Sanding Disc to the Sanding
Pad (Fig. B)
1. Turn the sander over so that the sanding pad
facing upward.
2. Clean the dust from the sanding pad face.
3. Hold the pad with one hand to keep it from rotating.
4. With the other hand, center and place the sanding
disc
7
directly on top of the pad.
Speed Control Dial (Fig. A)
14
The DWE7800 Sander is equipped with variable speed
12
control. Adjust the speed by turning the speed control
12
dial
2
. The speed control dial is numbered "1" through "7".
The setting "1" is the slowest speed (approximately 700
RPM) and "7" is the fastest speed (approximately 1200 RPM).
Use the higher speed settings for fast stock removal. Use
the lower speed setting to reduce removal rate for more
precise control.
Brush‑Type Skirt (Fig. B)
A brush‑type skirt
DWE7800. This skirt serves two purposes:
•
It extends below the surface of the abrasive pad to
prevent the abrasive from "gouging" the work.
•
It helps contain the drywall dust until the vacuum
cleaner pulls it away.
If the skirt is damaged or if it is worn excessively it should be
replaced by a D
Attaching an AirLock
Extractor (Fig. D)
Your drywall sander is compatible with the D
AirLock™ connection system. The AirLock™ allows for a fast,
secure connection between the AirLock™ connector
sander's dust extraction port
1. Ensure the collar on the AirLock™ connector is in the
unlock position. (Refer to Figure D.) Align notches
on collar and AirLock™ connector as shown for unlock
and lock positions.
2. Push the AirLock™ connector onto the adapter
connector point.
3. Rotate the collar to the locked position.
nOTE: The ball bearings inside collar lock into slot and
secure the connection.The power tool is now securely
connected to the dust extractor.
7
. Sanding discs for the DWE7800
WALT service center.
e
8
surrounds the abrasive pad on the
WALT authorized service center.
e
Compatible Dust
™
.
5
6
is
WALT
e
9
and
10
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