Wen 3920 Manuel utilisateur
Model # 3920
16˝ VARIABLE
SPEED SCROLL SAW
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Your new tool has been engineered and manufactured to WEN’s highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years
of rugged, trouble-free performance. Pay close attention to the rules for safe operation, warnings,
and cautions. If you use your tool properly and for intended purpose, you will enjoy years of safe,
reliable service.
IMPORTANT:
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TABLE OF CONTENTS
Technical Data 2
3
5
6
8
9
15
19
20
22
General Safety Rules
Specific Safety Rules For Scroll Saw
Electrical Information
Know Your Scroll Saw
Assembly and Adjustments
Operation
Maintenance
Exploded View and Parts List
Warranty
TECHNICAL DATA
Model Number:
Motor:
Speed:
Throat Depth:
Blade:
Blade Stroke:
Cutting Capacity:
Table tilt:
Overall dimensions:
Weight:
3920
120 V, 60 Hz, 1.2 A
550 to 1600 SPM
16˝
5˝ pinned & pinless
9/16˝
2˝ at 90°
0° to 45° left
26 - 3/8˝ by 13˝ by 14 - 3/4˝
27.5 lb
2
3
GENERAL SAFETY RULES
Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE
SAFETY INSTRUCTIONS.
WARNING: To avoid mistakes and serious injury, do not plug in your tool until the following
steps have been read and understood.
1. READ and become familiar with this entire instruction manual. LEARN the tool’s applications, limitations,
and possible hazards.
2. AVOID DANGEROUS CONDITIONS. Do not use power tools in wet or damp areas or expose them to
rain. Keep work areas well lit.
3. DO NOT use power tools in the presence of flammable liquids or gases.
4. ALWAYS keep your work area clean, uncluttered, and well lit. DO NOT work on floor surfaces that are
slippery with sawdust or wax.
5. KEEP BYSTANDERS AT A SAFE DISTANCE from the work area, especially when the tool is operating.
NEVER allow children or pets near the tool.
6. DO NOT FORCE THE TOOL to do a job for which it was not designed.
7. DRESS FOR SAFETY. Do not wear loose clothing, gloves, neckties, or jewelry (rings, watches, etc.) when
operating the tool. Inappropriate clothing and items can get caught in moving parts and draw you in. ALWAYS
wear non-slip footwear and tie back long hair.
8. WEAR A FACE MASK OR DUST MASK to fight the dust produced by sawing operations.
WARNING: Dust generated from certain materials can be hazardous to your health. Always
operate the tool in a well-ventilated area and provide for proper dust removal. Use dust collection
systems whenever possible.
9. ALWAYS remove the power cord plug from the electrical outlet when making adjustments, changing parts,
cleaning, or working on the tool.
10. KEEP GUARDS IN PLACE AND IN WORKING ORDER.
11. AVOID ACCIDENTAL START-UPS. Make sure the power switch is in the OFF position before plugging
in the power cord.
12. REMOVE ADJUSTMENT TOOLS. Always make sure all adjustment tools are removed from the saw
before turning it on.
13. NEVER LEAVE A RUNNING TOOL UNATTENDED. Turn the power switch to OFF. Do not leave
the tool until it has come to a complete stop.
4
14. NEVER STAND ON A TOOL. Serious injury could result if the tool tips or is accidentally hit. DO NOT
store anything above or near the tool.
15. DO NOT OVERREACH. Keep proper footing and balance at all times. Wear oil-resistant rubber-soled
footwear. Keep the floor clear of oil, scrap, and other debris.
16. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow in-
structions for lubricating and changing accessories.
17. CHECK FOR DAMAGED PARTS. Check for alignment of moving parts, jamming, breakage, improper
mounting, or any other conditions that may affect the tool’s operation. Any part that is damaged should be
properly repaired or replaced before use.
18. MAKE THE WORKSHOP CHILDPROOF. Use padlocks and master switches and ALWAYS remove
starter keys.
19. DO NOT operate the tool if you are under the influence of drugs, alcohol, or medication that may affect
your ability to properly use the tool.
20. USE SAFETY GOGGLES AT ALL TIMES that comply with ANSI Z87.1. Normal safety glasses only
have impact resistant lenses and are not designed for safety. Wear a face or dust mask when working in a dusty
environment. Use ear protection such as plugs or muffs during extended periods of operation.
GENERAL SAFETY RULES
5
SPECIFIC RULES FOR THE SCROLL SAW
WARNING: Do not operate the scroll saw until it is assembled and adjusted. Do not operate
the scroll saw until you have read and understood both the following instructions and the warn-
ing labels on the scroll saw.
BEFORE OPERATING:
1. Check for both proper assembly and proper alignment of moving parts.
2. Understand the function and proper use of the ON/OFF switch.
3. Know the condition of the scroll saw. If any part is missing, bent, or does not operate properly, replace the
component before attempting to operate the scroll saw.
4. Determine the type of work you are going to be doing. Properly protect your body including your eyes,
hands, face, and ears.
5. To avoid injury caused by pieces thrown from accessories, use only recommended accessories designed
for this saw. Follow the instructions supplied with the accessory. The use of improper accessories may cause
risk of injury.
6. To avoid contact with rotating equipment:
- Do not put your fingers in a position where they risk contacting the blade if the work piece
unexpectedly shifts or your hand unexpectedly slips.
- Do not cut a work piece too small to be held safely.
- Do not reach under the scroll saw table when the motor is running.
- Do not wear loose clothing or jewelry. Roll long sleeves above the elbow. Tie back long hair.
7. To avoid injury from accidental startups of the scroll saw:
- Make sure to turn OFF the switch and unplug the power cord from the electric outlet before chang-
ing the blade, performing maintenance or making adjustments.
- Make sure the switch is OFF before plugging in the power cord to an electric outlet.
8. To avoid injury from a fire hazard, do not operate the scroll saw near flammable liquids, vapors or gases.
9. To avoid back injury:
- Obtain help when raising the scroll saw more than 10 inches (25.4 cm). Bend your
knees when lifting the scroll saw.
- Carry the scroll saw by its base. Do not move the scroll saw by pulling on the power cord. Pulling on
the power cord could cause damage to the insulation or the wire connections resulting in electric
shock or fire.
6
SPECIFIC RULES FOR THE SCROLL SAW
WHEN OPERATING THE SCROLL SAW
1. To avoid injury from unexpected scroll saw movement:
- Use the scroll saw on a firm level surface with adequate space for handling and supporting the
work piece.
- Be sure the scroll saw cannot move when operated. Secure the scroll saw to a workbench or
table with wood screws or bolts, washers and nuts.
2. Before moving the scroll saw, unplug the power cord from the electrical outlet.
3. To avoid injury from kickback:
- Hold the work piece firmly against the tabletop.
- Do not feed the work piece too fast while cutting. Only feed the work piece at the rate the saw
will cut.
- Install the blade with the teeth pointing downward.
- Do not start the saw with the work piece pressing against the blade. Slowly feed the work piece
into the moving blade.
- Use caution when cutting round or irregularly shaped work pieces. Round items will roll and
irregularly shaped work pieces can pinch the blade.
4. To avoid injury when operating the scroll saw:
- Obtain advice from a qualified person if you’re not thoroughly familiar with the operation of
scroll saws.
- Before starting the saw, make sure the blade tension is correct. Recheck and adjust tension as
needed.
- Make sure the table is locked into position before starting the saw.
- Do not use dull or bent blades.
- When cutting a large work piece, make sure the material is supported at the table height.
- Turn the saw OFF and unplug the power cord if the blade jams in the work piece. This condi-
tion is usually caused by sawdust clogging the line you are cutting. Wedge open the work piece
and back out the blade after turning off and unplugging the machine.
ELECTRICAL INFORMATION
GROUNDING INSTRUCTIONS
IN THE EVENT OF A MALFUNCTION OR BREAKDOWN, grounding provides the path of least
resistance for an electric current and reduces the risk of electric shock. This tool is equipped with an
electric cord that has an equipment grounding conductor and a grounding plug. The plug MUST be
plugged into a matching outlet that is properly installed and grounded in accordance with ALL local
codes and ordinances.
DO NOT MODIFY THE PLUG PROVIDED. If it will not fit the outlet, have the proper outlet in-
stalled by a licensed electrician.
7
AMPERAGE REQUIRED GAUGE FOR EXTENSION CORDS
25 ft. 50 ft. 100 ft. 150 ft.
1.2 A 18 gauge 16 gauge 16 gauge 14 gauge
IMPROPER CONNECTION of the equipment grounding conductor can result in electric shock. The
conductor with the green insulation (with or without yellow stripes) is the equipment grounding conductor.
If repair or replacement of the electric cord or plug is necessary, DO NOT connect the equipment ground-
ing conductor to a live terminal.
CHECK with a licensed electrician or service personnel if you do not completely understand the grounding
instructions or whether the tool is properly grounded.
USE ONLY THREE-WIRE EXTENSION CORDS that have three-pronged plugs and outlets that ac-
cept the tool’s plug as shown in Fig. A. Repair or replace a damaged or worn cord immediately.
CAUTION: In all cases, make certain the outlet in question is properly grounded. If you are not sure, have
a licensed electrician check the outlet.
WARNING: This tool is for indoor use only. Do not expose to rain or use in damp locations.
Guidelines for using extension cords
Make sure your extension cord is in good condition. When using an extension cord, be sure to use one
heavy enough to carry the current your product will draw. An undersized cord will cause a drop in line volt-
age resulting in loss of power and overheating. The table below shows the correct size to be used according
to cord length and nameplate ampere rating. When in doubt, use a heavier cord. The smaller the gauge
number, the heavier the cord.
Make sure your extension cord is properly wired and in good condition. Always replace a damaged exten-
sion cord or have it repaired by a qualified person before using it.
Protect your extension cords from sharp objects, excessive heat and damp/wet areas.
Use a separate electrical circuit for your tools. This circuit must not be less than a #12 wire and should be
protected with a 15 A time-delayed fuse. Before connecting the motor to the power line, make sure the
switch is in the OFF position and the electric current is rated the same as the current stamped on the motor
nameplate. Running at a lower voltage will damage the motor.
WARNING: This tool must be grounded while in use to protect the operator from electric shock.
ELECTRICAL INFORMATION
8
KNOW YOUR SCROLL SAW
9
ASSEMBLY AND ADJUSTMENTS
UNPACKING
Carefully unpack the scroll saw and all of its parts. Compare them against the list below. Do not discard
the carton or any packaging until the scroll saw is completely assembled.
CAUTION: do not lift the saw by the arm that holds the blade. The saw will be damaged.
WARNING: To avoid injury from accidental startups, turn switch OFF and remove the plug
from the power source outlet before making any adjustments.
INCLUDES (Fig. 1)
A - Scroll saw with attached light
B - Extra pin blade
C - Wrench
STORAGE AREA (Fig. 2)
A convenient storage location for
the hex key and extra blade can be
found beneath the saw’s table.
FIGURE 2
FIGURE 1
10
ASSEMBLY AND ADJUSTMENTS
Prior to making adjustments, mount the scroll saw on
a stable surface. See “Bench mounting the saw.”
ADJUSTMENTS
ALIGN THE BEVEL INDICATOR (Fig. 3-6)
The bevel indicator has been factory adjusted. It
should be rechecked prior to use for best operation.
1. Remove the blade guard foot (1) using the hex key
(2) to loosen the screw.
2. Loosen the table bevel lock knob (3) and move
the table until it is approximately at a right angle to
the blade.
3. Loosen the locking nut (5) on the table adjusting
screw (6) under the table by turning it counter-clock-
wise. Lower the table adjusting screw by turning it
clockwise.
4. Use a combination square (7) to set the table ex-
actly 90° to the blade (8). If there is space between
the square and blade, adjust the table angle until the
space is closed.
5. Lock the table bevel lock knob under the table (3)
to prevent movement.
6. Tighten the adjusting screw under the table until
the tip of the screw touches the table. Tighten the
lock nut.
7. Loosen the screw (4) holding the bevel scale point-
er and position pointer to 0°. Tighten the screw.
8. Attach the blade guard foot (1) using the hex key
(2) so the foot rests flat against the table. Tighten the
screw.
Note: Avoid setting the edge of the table against the
top of the motor. This can cause excess noise when
the saw is running.
FIGURE 4
FIGURE 5
FIGURE 6
FIGURE 3
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