Wen 3720 Bedienungsanleitung
Model # 3720
10˝ JOBSITE TABLE 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:
NEED HELP? CONTACT US!
Have product questions? Need technical support?
Please feel free to contact us at:
800-232-1195
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(M-F 8AM-5PM CST)
TABLE OF CONTENTS
Technical Data 2
3
4
6
7
8
14
16
17
22
General Safety Rules
Specific Safety Rules For Table Saws
Electrical Information
Know Your Table Saw
Assembly and Adjustments
Maintenance
Exploded View & Parts List
Warranty
TECHNICAL DATA
Model Number:
Motor:
No Load Speed:
Blade Size:
Arbor Size:
Number of Teeth:
Depth of Cut at 90°:
Depth of Cut at 45°:
Max Dado Head Size:
Table Size:
Wheel Diameter:
Weight:
3720
120 V, 60 Hz, 15A
4400 RPM
10-in. Carbide Tipped Blade
5/8 in.
40
3-9/16 in.
2-1/2 in.
13/16 in.
30 x 25-3/8 in. to 40 x 35-7/8 in.
8 in.
79 lbs
2
Operation
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 oper-
ate 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 safety
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. ALWAYS USE THE BLADE GUARD, riving knife and anti-kickback fingers on all “through-sawing” opera-
tions. Through-sawing operations are those when the blade cuts completely through the workpiece as in ripping or
crosscutting.
2. AVOID KICKBACKS by keeping the blade sharp and the rip fence parallel to the saw blade. Make sure the riv-
ing knife, anti-kickback fingers, and the blade guard are in place, aligned properly and functional. Do not release a
work piece before passing it completely through the saw blade. Do not rip a work piece that is twisted/warped or a
work piece that has a straight edge to guide it along the rip fence. Do not attempt to pull the workpiece backwards
out of a cut while the blade is still turning.
3. ALWAYS HOLD THE WORK firmly against the miter gauge or fence.
4. NEVER PERFORM FREE-HAND OPERATIONS, meaning never only use your hands to support or guide
the workpiece. Always use either the fence or the miter gauge to position and guide the workpiece.
5. BE MINDFUL OF BODY POSITION. Never have any part of your body in line with the path of the saw blade.
6. NEVER REACH BEHIND or over the saw blade with either hand for any reason.
7. MOVE THE RIP FENCE out of the way when crosscutting.
8. SUPPORT LARGE PANELS to minimize the risk of blade pinching and kickback.
SPECIFIC RULES FOR TABLE SAWS
5
SPECIFIC RULES FOR TABLE SAWS
9. REMOVE ALL ACCESSORIES FROM THE TABLE. Before transporting the saw, remove all accessories
(miter gauge, rip fence....). Failure to do so can result in an accident causing possible serious personal injury.
10. NEVER USE RIP FENCE AS A CUT-OFF GAUGE when crosscutting. Move the rip fence out of the way.
11. NEVER ATTEMPT TO FREE A STALLED BLADE without first turning the saw OFF. If a work piece stalls
the blade, turn the saw off and unplug it for both safety and also damage prevention to the motor.
12. PROVIDE ADEQUATE SUPPORT to the rear and sides of the table saw for wide or long workpieces.
13. AVOID AWKWARD OPERATIONS and hand positions where a sudden slip could cause your hand to
move into the spinning blade.
14. MOUNT YOUR TABLE SAW on the supplied stand or to a work bench before performing any cutting opera-
tions.
15. NEVER CUT METALS or materials that may make hazardous dust.
16. ALWAYS USE A PUSH STICK, especially when ripping narrow work piece. One is supplied with this saw.
DOUBLE INSULATION
Double insulation is a concept in safety in electric power tools that eliminates the need for the usual three-wire
grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protect-
ing insulation. Double insulated tools do not need to be grounded.
WARNING: The double insulated system is intended to protect the user from shock resulting from a break in the
tool’s internal insulation. Observe all normal safety precautions to avoid electrical shock.
NOTE: Servicing a product with double insulation requires extreme care and knowledge of the system. This should
be performed only by a qualified service technician. For service, we suggest you return the product to your nearest
authorized service center for repair. Always use original replacement parts intended for your particular model of
tool when servicing.
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 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.
15 A 14 gauge 12 gauge Not Recommended
ELECTRICAL INFORMATION
WARNING: For your own safety, read the instruction manual before operating the 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.
7
AMPERAGE REQUIRED GAUGE FOR EXTENSION CORDS
25 ft. 50 ft. 100 ft. 150 ft.
15 A 14 gauge 12 gauge Not Recommended
KNOW YOUR TABLE SAW
1 Front rip fence rail with ruler
2 Feed table extention
3 Anti-kickback fingers assembly
4 Blade guard assembly
5 Rip fence assembly
6 Rip fence lock lever
7 Rip fence adjustment gauge
8 Retractable extension table
9 Plastic push stick and storage
10 Extension table lock/release lever
11 Bevel angle adjustment wheel
12 Blade height adjustment lock
13 Blade height adjustment handwheel
14 Stand release latch
15 Power Switch with safety key
16 Reset
17 Bevel angle lock/release lever
6
7
8
12345
9
10
11
12
13
14
15
16
17
88
ASSEMBLY AND ADJUSTMENTS
ASSEMBLY OF FOLDING STAND (Fig. 1)
1. Insert both handles (A) into the large U-shaped bracket (B).
Make sure the screw hole in each handle matches the screw
hole on the U-shaped bracket. Align the screw holes and secure
the handles using a small pan head screw.
2. Mount middle bracket (C) to U-shaped bracket (B) using car-
riage bolts, plastic spacers and nuts.
3. Mount foot bracket (D) to U-shaped bracket (B) using car-
riage bolts, plastic spacers and nuts.
4. Mount wheel bracket (E) to foot bracket (D) and middle
bracket (C) using carriage bolts, plastic spacers and nuts.
5. Remove the wheel cap (F) Fig.1 and remove mounting hard-
ware inside wheel. Mount the wheels (G) to wheel bracket (E)
using large washers and nuts. Install wheel caps (F) once wheels
are installed.
6. The stand is now completely assembled and should look like
the stand shown in Fig.2.
Fig. 2
Fig. 1
Fig. 3
MOUNTING OF JOBSITE SAW ON FOLDING STAND
Position the jobsite saw on top of the stand (choose which orien-
tation best suits you). Use 4 cap screws and nuts (Fig.3) to secure
jobsite saw to stand.
9
ASSEMBLY AND ADJUSTMENTS
Fig. 2
Fig. 1
Fig. 3
Note: Before folding the stand, remove all workpieces from the
table. Remove and securely store all loose accessories such as the
miter gauge, rip fence, blade guard, anti-kickback fingers and push
stick. Lower saw blade below the table top. Fig.4 shows the stand in
its folded position with all accessories in their storage areas.
STORING STAND
Push the stand release latch (A, Fig 4) and at the same time, grasp
the stand handles (B, Fig 4) and lift them up and away from the saw
body. Push the jobsite saw until the release latch clicks and locks the
stand. The stand and saw assembly can now be lifted up and rolled
away.
UNFOLDING STAND
Push the stand release latch (A, Fig 4) and at the same time, grasp
the stand handles (B, Fig 4) and pull them down towards you. Push
down until the release latch clicks and locks the stand. The stand and
saw assembly can now be used for making cuts.
ADJUSTING RIVING KNIFE
Remove the table insert (A, Fig 7) from the table top by pulling it
upwards. Turn the blade height lock knob (A, Fig 5) counterclock-
wise to unlock. Turn the elevation handwheel (B, Fig 5) counter-
clockwise and raise the blade to its highest position above the table.
The riving knife (B, Fig 7) consists of a metal piece, slightly thinner
than the blade, that helps to keep the blade kerf open to prevent
kickback. This saw is shipped with the riving knife in the non-
through cutting or “down” position, as shown in illustration below.
The riving knife must be positioned in the through cutting or “up”
position for all other operations.
1. Unlock the riving knife lock lever (C, Fig 7) by pivoting it up-
wards (vertical position).
2. Push the riving knife (B, Fig 7) towards the lock lever to disen-
gage it from its positioning pins/slots.
3. Pull the riving knife upwards until its bottom mounting holes
engage the positioning pins and the riving knife is above the saw
blade.
4. Lock the lock lever (C, Fig 7) by pivoting it downwards (horizon-
tal position). Once secured, make sure the riving knife is perfectly
aligned with the centre of the blade, if not, it is most likely due to
misalignment of the positioning pins, readjust until alignment is
obtained.
5. Reinstall the table insert.
Fig. 4
Fig. 5
Fig. 6
Fig. 7
10
ASSEMBLY AND ADJUSTMENTS
ALIGNING RIVING KNIFE
IMPORTANT: If riving knife is correctly mounted yet it is not
perfectly centered with the blade, proceed with the following
adjustment.
1. Using a straight edge (Fig 8), check if the riving knife is aligned
with the blade.
2. If an adjustment is necessary, loosen 2 cap screws (A, Fig 9)
that hold the mounting bracket (B, Fig 9). Adjust the position of
the riving knife to the right or left until it is perfectly aligned with
the blade. Retighten cap screws.
MOUNTING BLADE GUARD (Fig. 10)
1. Make sure the blade is raised to its highest position and the
riving knife is secured in the “up” position.
2. Make sure the table insert (A) is installed in the table top
opening.
3. Lower the back end shaft (B) into the middle slot (C) of the
riving knife. Pull the blade guard lock lever (D) toward the front
of the saw then pivot the blade guard towards the front of the
saw. Once the blade guard is parallel to the table, lock the blade
guard to the riving knife by pushing the lock lever down to the
lock position. Lift the blade guard up to check if it is locked
securely.
MOUNTING ANTI-KICKBACK FINGERS (Fig. 11)
1. Align the anti-kickback finger bracket slot (A) with the rear
slot (B) of the riving knife.
2. Push the assembly down and lift the lever (C) to lock the anti-
kickback finger assembly to the riving knife. Lift the assembly
up to check if it was locked securely.
Fig. 8
Fig. 9
Fig. 10
Fig. 11
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