Assembly And Adjustments; Blade Description - DeWalt DW328 Manual De Instrucciones

FIG. 1
A
H
G
F1
FIG 4
J
L F

ASSEMBLY AND ADJUSTMENTS

WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Blades
This portable band saw is setup for use with .020" (0.5 mm) thick, 1/2" (12.5 mm) wide
and 44-7/8" (1140 mm) long blades. To use .025 (.64 mm) thick blades, please contact an
authorized D WALT service center.
E
WARNING: The use of any other blade or accessory might be hazardous. DO NOT use any
other type of accessory with your band saw. Blades used on stationary band saws are of
different thickness. Do not attempt to use them on your portable unit.
Blade Selection
In general, first consider the size and shape of the work, and the type of material to be cut.
Remember, for the most efficient cutting, the coarsest tooth blade possible should be used in a
given application, because the coarser the tooth, the faster the cut. In selecting the appropriate
number of teeth per inch of the band saw blade, at least two teeth should contact the work
surface when the blade is rested against the workpiece. As a rule of thumb, soft materials usually
require coarse tooth blades, while hard materials require fine tooth blades. Where a smoother
finish is important, select one of the finer tooth blades.
Select the appropriate band saw blade according to the material type, dimensions, and number
of teeth. See Blade Description chart.
CAUTION: The following table is intended as a general guide only. Determine the type of
material and dimension of the workpiece and select the most appropriate band saw blade.
Incorrect blade application may result in loss of control causing personl injury.
CAUTION: Never use the band saw to cut resin materials which are subject to melting. Melting
of resin material caused by high heat generated during cutting may cause the band saw blade to
become bound to the material, possibly resulting in overload and burn-out of the motor.

BLADE DESCRIPTION

Type of band saw blade
Number of teeth per inch
Workpiece thickness
1/8" (3.2 mm) and under
1/8" (3.2 mm) – 1/4" (6.4 mm)
1/4" (6.4 mm) – 13/32" (10.3 mm)
13/32" (10.3 mm) and over
Blade Speed (Fig. 1)
Your DW328 portable band saw is equipped with variable speed for greater versatility. Turn
the speed wheel (I) to select the desired speed. Speed 1 is the slowest speed; Speed
6 is the fastest. Use speed settings 1–6 when connected to an AC power supply. When
connected to a DC power supply the setting MUST be Speed 6.
NOTICE: To avoid damage to the variable speed switch, always use Speed 6 (fastest) when
using a DC power source. Always turn the saw off, set the speed wheel (I) to Speed 6, then
turn the saw on.
When cutting copper, brass, bronze, aluminum, cast iron, angle iron, and mild steel, use a higher
speed.
When cutting plastic pipe, tougher steels, chrome steel, tungsten steel, stainless steel, and other
problem materials, use low speed.
NOTE: When cutting plastic pipe, higher speeds may melt plastic.
Removing and Installing Blades
WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
CAUTION: Cut Hazard. Blade tension lever is under spring pressure. Maintain control of lever
when releasing blade tension or blade may be released causing personal injury.
TO REMOVE BLADE (FIG. 1, 2)
1. Rotate the blade tension lever (H) clockwise until it stops to release tension in blade.
2. Turn the saw over and place it on a workbench or table with the cord to the left.
3. Begin removing the blade at the blade guard (M) and continue around the pulleys (L). When
removing the blade, tension may be released and the blade may spring free. SAW BLADES
ARE SHARP. USE CARE IN HANDLING THEM.
4. Inspect the guide rollers (F1, F2) and remove any large chips which may be lodged in them.
Lodged chips can prevent rotation of the guide rollers and cause flat spots on the guide
rollers.
5. Rubber tires (K) are mounted on the pulleys (L). The rubber tires should be inspected for
looseness or damage when changing the blade. Wipe any chips from the rubber tires
on the pulleys. This will extend tire life and keep the blade from slipping. If any looseness
or damage occurs, the tool should be brought to an authorized D
for repair or replacement as soon as possible. Continued use of the tool with loose or
damaged rubber tires will cause unstable travel of the band saw blade.
TO INSTALL BLADE (FIG. 1, 3, 4)
1. Position the blade so that the teeth are on the bottom and angled toward the material guide/
work stop (E), as shown in Figures 1 and 3.
2. Slip the blade into the guide rollers (F), as shown in Figure 4.
3. Holding the blade in the guide rollers, place it around both pulleys (L) and through the
material guide/work stop (E), as shown in Figure 5.
4. Make sure that the blade is fully inserted into the guide rollers (F) and positioned squarely
against the rubber tires (K).
5. Gently turn the saw over so that the pulleys rest on your work bench or table and rotate the
blade tension lever (H) counterclockwise until it stops. Make sure the teeth face away from
the bandsaw (Fig. 1, 3).
6. Turn the saw on and off a few times to ensure that the blade is seated properly.
Blade Tracking
Your band saw is equipped with an adjustable blade tracking mechanism which assures
proper blade tracking at all times. The back edge of a properly aligned blade will run
lightly against one or both of the back up rollers in the blade guides. (The pressure between
the edge of the blade and the roller will be very slight and will not damage either the blade or
the roller.)
C
F2
J
E
FIG. 5
L
Bi-Metal
24 18 14 10 14/18
• •
• •
•
•
WALT service center
E
FIG. 2
B
D
L
BLADE DIRECTION / DIRECTION DE LA LAME / DIRECCIÓN DE LA HOJA
FIG. 3
I
POSITION DES DENTS DU CÔTÉ GAUCHE, SUR LE CÔTÉ DE LA MACHINE
POSICIÓN DE LOS DIENTES SOBRE LADO IZQUIERDO DEL COSTADO DE LA MÁQUINA
FIG. 6
E
FIG. 7 RECOMMENDED CUTTING POSITIONS / POSITIONS DE COUPE
RECOMMANDÉES / POSICIONES DE CORTE RECOMENDADAS
YES / OUI / SÍ
YES / OUI / SÍ
YES / OUI / SÍ
10/14
Item Model
Motor Type
Power source
•
Voltage
Full-load current
Band Saw Dimensions
Blade Peripheral speed
Max. Cutting Pipe outer dimensions
Dimensions Stock
Net Weight
Cord
Article Modèle
Moteur Type
Circuit d'alimentation électrique
Tension
Courant de pleine charge
Lame de scie Dimensions
à ruban
Vitesse périphérique
Dimensions Dimensions externes du tuyau
maximales Matériau à couper
de la coupe
Poids net
Cordon
Artículo
Motor
Hoja de la sierra
de banda
Dimensiones
máximas de
corte
Peso neto
Cable
TO ADJUST THE BLADE TRACKING (FIG. 1)
1. Use a 9/16" (20 mm) wrench to loosen the blade tracking adjustment nut (G), shown in
Figure 1 by turning it one or two turns counterclockwise.
2. Use a screwdriver to turn the tracking screw 1/4 turn. Turning the screw clockwise will move
the blade up toward the blade guide rollers. Turning the screw counterclockwise will move
the blade down away from the rollers.
3. Adjust so that the back edge of the blade lightly touches the rollers then securely tighten
the blade tracking adjustment nut (G). (It will be necessary to plug the saw in and run it to
observe the tracking.)
4. Observe blade tracking between runs and repeat Steps 1–4 as necessary to achieve
proper blade tracking.
E
J
K
M
E
POSITION OF TEETH ON LEFT SIDE OF MACHINE
NO / NON / NO
YES / OUI / SÍ
NO / NON / NO YES / OUI / SÍ
NO / NON / NO YES / OUI / SÍ
DW328
Protected type, series commutator motor
single-phase, AC 60Hz
120 volts
6 amp
1/2" x 44-7/8" x .020"
(12.5 mm x 1140 mm x .5 mm)
100 - 265 ft/min (30 -80 m/min)
4-3/4" (120 mm)
4-1/2" x 4-3/4" (114 mm x 120 mm)
14 lbs. (6.4 kg)
3 conductor type captive cable 8.0 ft. (2.4 m)
DW328
Type protégé, série moteur à collecteur
monophasé, c.a., 60Hz
120 volts
6 A
12,5 mm x 1 140 mm x 0,5 mm
(1/2 po x 44-7/8 po x .020 po)
30 à 80 m/min (100 - 265 pi/min)
120 mm (4-3/4 po)
114 mm x 120 mm
(4-1/2 po x 4-3/4 po)
6,4 kg (14 lb)
Fiche à 3 broches et à 3
conducteurs de 2,4 m (8,0 pi)
Modelo DW328
Tipo Motor conmutador en serie, tipo protegido
Fuente de alimentación CA 60 Hz, monofásica
Voltaje 120 voltios
Corriente a plena carga 6 amperios
Dimensiones 12,5 mm x 1 140 mm x 0,5 mm
(1/2 pulg. x 44-7/8 pulg. x .020 pulg.)
Velocidad periférica 30 - 80 m/min (100 - 265 pies/min)
Dimensiones exteriores
de tubería 120 mm (4-3/4 pulg.)
Material a cortar 114 mm x 120 mm (4-1/2 x 4-3/4 pulg.)
6,4 kg (14 lb)
Cable cautivo de 3 conductores, de 2,4 m
(8,0 pies) de largo
L
NO / NON / NO
NO / NON / NO
NO / NON / NO