Wen 3960 Manual de usuario
Model # 3960
9-INCH BENCHTOP
BAND 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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Have product questions? Need technical support?
Please feel free to contact us at:
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(M-F 8AM-5PM CST)
TABLE OF CONTENTS
Technical Data 2
3
4
5
7
9
12
13
14
17
General Safety Rules
Specific Safety Rules For Band Saw
Electrical Information
Assembly
Adjustments
Operation
Exploded View & Parts List
Warranty
TECHNICAL DATA
Model Number:
Motor:
Throat:
Cutting Depth:
Speeds:
Table Angle:
Work Table:
Blade Length:
Blade Width:
Weight:
3960
120 V, 60 Hz, 300W, 2.8A
9 inches
3-5/8 inches
2460 FPM
0 to 45 degrees
12 x 12 inches
62 inches
1/8 to 3/8 inches
44 pounds
2
Maintenance
3
GENERAL SAFETY RULES
Safety is a combination of common sense, staying alert and knowing how your item works. SAVE THESE SAFE-
TY 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 op-
erating 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.
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.
4
15. DO NOT OVERREACH. Keep proper footing and balance at all times. Wear oil-resistant rubber-soled foot-
wear. Keep the floor clear of oil, scrap, and other debris.
16. MAINTAIN TOOLS PROPERLY. ALWAYS keep tools clean and in good working order. Follow instruc-
tions 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 start-
er 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 environ-
ment. Use ear protection such as plugs or muffs during extended periods of operation.
GENERAL SAFETY RULES
1. To avoid injury from unexpected movement, make sure the saw is on a firm, level surface, properly secured to
prevent rocking. Make sure there is adequate space for operations. Bolt the saw to a support surface to prevent slip-
ping or sliding during operation.
2. Turn off and unplug the saw before moving it.
3. Use the correct size and style of blade.
4. Make sure the blade teeth point down and toward the table.
5. Blade guide, supports, bearings, and blade tension must be properly adjusted to avoid accidental blade contact
and to minimize blade breakage. To maximize blade support, always adjust the upper blade guide and blade guard
so that it barely clears the workpiece.
6. Table TILT lock handle should be tight and locked during operation.
7. Use extra caution with very large, very small, or awkwardly-shaped workpieces.
8. Use extra supports to prevent workpieces from sliding off the tabletop.
9. Workpieces should be secured so they don’t twist, rock, or slip while being cut.
10. Plan intricate or small work carefully to avoid pinching the blade. Avoid awkward operations and hand positions
to prevent accidental contact with the blade.
SPECIFIC RULES FOR BAND SAW
5
SPECIFIC RULES FOR BAND SAW
11. Small pieces should be secured with clamps or fixtures. Do not hold small pieces with your hand because your
fingers might go under the blade guard.
12. Support round work properly (use a V block or press it against the miter gauge) to prevent it from rolling and
the blade from biting.
13. Cut only one workpiece at a time. Make sure the table is clear of everything except the workpiece and its guides
before you turn the saw on.
14. Always WATCH the saw run before each use. If there is excessive vibration or unusual noise, stop immediately.
Turn the saw off. Unplug it immediately. Do not start the saw again until the problem has been located and cor-
rected.
15. To free any jammed material, turn the switch off. Remove the switch key and unplug the saw. Wait for all mov-
ing parts to stop before removing the jammed material.
16. Don’t leave the work area until all moving parts have stopped. Shut off the power to master switches. Remove
the switch key from the band saw and store it in a safe place, away from children. Childproof the workshop!
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 installed by a
licensed electrician.
IMPROPER CONNECTION of the equipment grounding conductor can result in electric shock. The conduc-
tor 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 grounding conductor to a
live terminal.
CHECK with a licensed electrician or service personnel if you do not com-
pletely 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 accept the tool’s plug as shown in Fig. A. Repair or re-
place 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 li-
censed electrician check the outlet.
FIGURE A
WARNING: This tool is for indoor use only. Do not expose to rain or use in damp locations.
UL GUIDELINES AND RECOMMENDATIONS FOR 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 voltage 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 extension 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.
6
AMPERAGE REQUIRED GAUGE FOR EXTENSION CORDS
25 ft. 50 ft. 100 ft. 150 ft.
2.8 A 18 gauge 16 gauge 16 gauge 14 gauge
ELECTRICAL INFORMATION
7
AMPERAGE REQUIRED GAUGE FOR EXTENSION CORDS
25 ft. 50 ft. 100 ft. 150 ft.
2.8 A 18 gauge 16 gauge 16 gauge 14 gauge
WARNING: For your own safety, read the instruction manual before operating the band saw.
1. Wear eye protection.
2. Do not wear gloves, a necktie, jewelry, or loose clothing.
3. Make sure the saw is on a firm, level surface and properly secured.
4. Use only the recommended accessories.
5. Use extra caution with very large, very small, or awkward workpieces.
6. Keep hands away from blade at all times to prevent accidental injury.
ASSEMBLY
UNPACKING
Carefully unpack the band saw and all its parts, and compare against the list below. Do not discard the carton or
any packaging until the band saw is completely assembled.
WARNING: If any part is missing or damaged, do not plug in the band saw until the missing or dam-
aged part is replaced.
1. Band Saw (1)
2. Fence (1)
3. Table Assembly (1)
4. Open Spanner (1)
5. 6mm Hex Wrench (1)
6. 4mm Hex Wrench (1)
7. Miter Gauge (1)
8. Feet (4)
2
3
4
5
7
1
6
8
88
ASSEMBLY
WARNING: Unplug the machine from the power source before assembling or making
adjustments. Failure to comply may cause serious injury. Assembly requires at least two
people to safely move around the band saw.
HOW TO ASSEMBLE
1. Attach the four feet to the base of the band saw (Fig. A).
2. Remove the D-nut (Fig. B - 1), washers (Fig. B - 2) and wing screw (Fig.
B - 3) from the saw’s table assembly (Fig. B).
3. Slide the saw table onto the band saw (Fig. C), making sure that the
blade stays within the slot. Pull the angle adjustment knob back(Fig. D -
2) and align the teeth on the saw blade’s table bracket into the teeth on
the angle adjustment knob. Release the knob.
4. Fit the pins on the frame into the slots of the table bracket (Fig. D - 3).
5. Assemble the flat washer and table lock handle (Fig. D - 1). Tighten
the table assembly to the saw’s frame by turning the table lock lever clock-
wise.
6. Fix the band saw to a workbench by using the four screws (not provid-
ed, Fig. E - 3) through the holes in the base of the band saw (Fig. E).
7. Place the fence (Fig. E - 1) and the miter gauge onto the table (Fig. E -
2).
Fig. A
Fig. B
Fig. C
Fig. D Fig. E
1
2
3
1
2
1
2
3
3
9
ADJUSTING THE SAW BLADE
If the blade does not run in the middle of the rubber tire band, the tracking needs to be corrected by adjusting the
tilt of the upper band saw wheel.
1. Turn off the band saw and unplug it from the power supply. Open both the upper and lower wheel covers once
the blade has stopped moving (Fig. G).
2. Manually rotate the upper wheel, making sure not to touch the blade. Watch to see which direction the blade
tends to veer off towards in order to best adjust the tracking set knob to resolve the problem.
3. Turn tracking set knob (Fig. H - 2) in the desired direction until the blade is centered over the upper and lower
wheels.
4. Spin the wheel manually to ensure that the blade is now running in the center. Close the covers.
ADJUSTMENTS
TILTING THE TABLE
1. Find and loosen the table bevel lock located in back under the
saw table (Fig. F - 2).
2. Adjust the table to the desired angle using the table tilting knob
(Fig. F - 1) and the angle indicator.
3. Use the angle indicator to confirm the desired angle and tighten
the lock handle (NOTE: a table perpendicular (90°) to the blade
corresponds to a scale indication of 0°).
WARNING: Always be sure that the tool is switched off and unplugged before making any adjustments.
Fig. F
1
2
Fig. G Fig. H
2
1
10
ADJUSTMENTS
ADJUSTING BLADE TENSION
WARNING: If the tension in the blade is too high, it runs the risk of breaking. If the tension is too low,
there is a risk of the blade slipping and stopping during a cut.
1. Raise the upper blade guide fully using the upper blade guide adjustment knob (Fig. I - 1).
2. Check the tension by pushing with a finger against the side of the blade halfway between the table and the upper
guide. The blade should not flex more than 2 mm.
3. Turn the tension knob (Fig. H - 1) clockwise to increase the blade tension or counterclockwise to decrease ten-
sion. Take the blade width into consideration during the adjustment.
UPPER BLADE GUIDE ADJUSTMENT
The height of the upper blade guard should be adjusted prior to every operation to accommodate the height of
the workpiece (the blade guard should be no more than one-eighth of an inch from the upper edge of the work-
piece).
1. Loosen the upper blade guide locking knob located on the back of the drill press (Fig. I - 2). Turn the adjust-
ment knob (Fig. I - 1) to adjust the height of the upper blade guide. Relock the upper blade guide locking knob to
secure the guard in place once the desired height has been reached.
2. Loosen the lower screw (Fig. I - 3) to adjust the guide bearings running along either side of the band saw blade.
The guide bearings should be positioned 1 to 2 mm from the teeth of the blade (Fig. K). Retighten the screw
afterward.
3. Loosen the upper screw (Fig. I - 4) and adjust the thrust bearing running along the back of the blade (Fig. K).
This bearing should be positioned 1/2 mm from the back of the blade. Retighten the screw afterward.
4. Loosen the socket head screw (Fig. J - 1) to adjust the guide bearings 1/4 mm away from the blade (Fig. L).
Retighten the socket head screw.
Fig. I
12
3
4
Fig. J
1
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