Wen BG4270 Instruction Manual
MODEL BG4270
10-INCH
WET/DRY SHARPENER
Instruction Manual
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
TECHSUPPORT@WENPRODUCTS.COM1-800-232-1195 (M-F 8AM-5PM CST)
IMPORTANT: 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 its intended purpose, you will enjoy years of safe, reliable service.
For replacement parts and the most up-to-date instruction manuals, visit WENPRODUCTS.COM
CONTENTS
WELCOME 3
Introduction ..................................................................................................... 3
Specifications ................................................................................................... 3
SAFETY 4
General Safety Rules ........................................................................................ 4
Specific Rules for Your Sharpener ................................................................... 6
Electrical Information ....................................................................................... 8
BEFORE OPERATING 9
Unpacking & Transportation ............................................................................ 9
Know Your Sharpener .................................................................................... 10
Assembly & Adjustments ............................................................................... 11
OPERATION & MAINTENANCE 16
Operation ....................................................................................................... 16
Troubleshooting Guide ................................................................................... 18
Maintenance ................................................................................................... 19
Exploded View & Parts List ............................................................................ 21
Warranty Statement ....................................................................................... 23
To purchase accessories for your tool, visit WENPRODUCTS.COM
4-Piece Sharpening Accessory Kit (Model No. 42704A)
2
INTRODUCTION
Thanks for purchasing the WEN Sharpener. We know you are excited to put your tool to work, but first, please
take a moment to read through the manual. Safe operation of this tool requires that you read and understand this
operator’s manual and all the labels affixed to the tool. This manual provides information regarding potential safety
concerns, as well as helpful assembly and operating instructions for your tool.
SAFETY ALERT SYMBOL: Indicates danger, warning, or caution. The safety symbols and the explanations
with them deserve your careful attention and understanding. Always follow the safety precautions to reduce the
risk of fire, electric shock or personal injury. However, please note that these instructions and warnings are not
substitutes for proper accident prevention measures.
NOTE: The following safety information is not meant to cover all possible conditions and situations that may occur.
WEN reserves the right to change this product and specifications at any time without prior notice.
At WEN, we are continuously improving our products. If you find that your tool does not exactly match this manual,
please visit wenproducts.com for the most up-to-date manual or contact our customer service at 1-800-232-1195.
Keep this manual available to all users during the entire life of the tool and review it frequently to maximize
safety for both yourself and others.
SPECIFICATIONS
Model Number BG4270
Motor 120V, 60 Hz, 1.6A
Wheel Speed 115 RPM Max
Wet Wheel Diameter 10 inches
Wet Wheel Grit 220 Grit
Leather Stropping Wheel Diameter 8 inches
Weight 36 pounds
Product Dimensions 16.9 x 10.8 x 16.5 inches
3
GENERAL SAFETY RULES
WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions
may result in electric shock, fire and/or serious injury.
Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool”
in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
SAVE THESE SAFETY INSTRUCTIONS.
WORK AREA SAFETY
1. Keep work area clean and well lit. Cluttered or dark
areas invite accidents.
2. Do not operate power tools in explosive atmo-
spheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which
may ignite the dust or fumes.
3. Keep children and bystanders away while operat-
ing a power tool. Distractions can cause you to lose
control.
ELECTRICAL SAFETY
1. Power tool plugs must match the outlet. Never
modify the plug in any way. Do not use any adapter
plugs with earthed (grounded) power tools. Unmodi-
fied plugs and matching outlets will reduce risk of electric shock.
2. Avoid body contact with earthed or grounded sur-
faces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your
body is earthed or grounded.
3. Do not expose power tools to rain or wet condi-
tions. Water entering a power tool will increase the risk
of electric shock.
4. Do not abuse the cord. Never use the cord for carry-
ing, pulling or unplugging the power tool. Keep cord
away from heat, oil, sharp edges or moving parts.
Damaged or entangled cords increase the risk of electric shock.
6. If operating a power tool in a damp location is
unavoidable, use a ground fault circuit interrupter
(GFCI) protected supply. Use of a GFCI reduces the risk
of electric shock.
PERSONAL SAFETY
1. Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a
power tool while you are tired or under the influence
of drugs, alcohol or medication. A moment of inatten-
tion while operating power tools may result in serious
personal injury.
2. Use personal protective equipment. Always wear
eye protection. Protective equipment such as a respiratory mask, non-skid safety shoes and hearing protection used for appropriate conditions will reduce the risk
of personal injury.
3. Prevent unintentional starting. Ensure the switch is
in the off-position before connecting to power source
and/or battery pack, picking up or carrying the tool.
Carrying power tools with your finger on the switch or
energizing power tools that have the switch on invites
accidents.
4. Remove any adjusting key or wrench before turning
the power tool on. A wrench or a key left attached to a
rotating part of the power tool may result in personal
injury.
5. Do not overreach. Keep proper footing and balance
at all times. This enables better control of the power
tool in unexpected situations.
5. When operating a power tool outdoors, use an ex-
tension cord suitable for outdoor use. Use of a cord
suitable for outdoor use reduces the risk of electric
shock.
4 5
6. Dress properly. Do not wear loose clothing or jewelry. Keep your hair and clothing away from moving
parts. Loose clothes, jewelry or long hair can be caught
in moving parts.
GENERAL SAFETY RULES
WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions
may result in electric shock, fire and/or serious injury.
Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool”
in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
SAVE THESE SAFETY INSTRUCTIONS.
7. If devices are provided for the connection of dust
extraction and collection facilities, ensure these are
connected and properly used. Use of dust collection
can reduce dust-related hazards.
POWER TOOL USE AND CARE
1. Do not force the power tool. Use the correct power
tool for your application. The correct power tool will
do the job better and safer at the rate for which it was
designed.
2. Do not use the power tool if the switch does not turn
it on and off. Any power tool that cannot be controlled
with the switch is dangerous and must be repaired.
3. Disconnect the plug from the power source and/or
the battery pack from the power tool before making
any adjustments, changing accessories, or storing
power tools. Such preventive safety measures reduce
the risk of starting the power tool accidentally.
4. Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the power
tool or these instructions to operate the power tool.
Power tools are dangerous in the hands of untrained
users.
5. Maintain power tools. Check for misalignment or
binding of moving parts, breakage of parts and any
other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before
use. Many accidents are caused by poorly maintained
power tools.
6. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
7. Use the power tool, accessories and tool bits, etc.
in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different
from those intended could result in a hazardous situation.
8. Use clamps to secure your workpiece to a stable
surface. Holding a workpiece by hand or using your
body to support it may lead to loss of control.
9. KEEP GUARDS IN PLACE and in working order.
SERVICE
1. Have your power tool serviced by a qualified repair
person using only identical replacement parts. This
will ensure that the safety of the power tool is maintained.
CALIFORNIA PROPOSITION 65 WARNING
Some dust created by power sanding, sawing, grinding,
drilling, and other construction activities may contain
chemicals, including lead, known to the State of California to cause cancer, birth defects, or other reproductive
harm. Wash hands after handling. Some examples of
these chemicals are:
• Lead from lead-based paints.
• Crystalline silica from bricks, cement, and other
masonry products.
• Arsenic and chromium from chemically treated
lumber.
Your risk from these exposures varies depending on
how often you do this type of work. To reduce your exposure to these chemicals, work in a well-ventilated area
with approved safety equipment such as dust masks
specially designed to filter out microscopic particles.
SPECIFIC RULES FOR YOUR SHARPENER
WARNING! Do not operate the power tool until you have read and understood the following instructions
and the warning labels.
SHARPENER SAFETY
1. This sharpener is designed for sharpening and honing cutting tools, using the appropriate accessories.
Using the machine for any other purpose for which it
is not designed may result in serious injuries, machine
damage and voiding of the warranty.
2. Grinding wheel safety:
• Only use grinding wheels rated for a speed higher
than 115 RPM (maximum RPM of the tool).
• Inspect wheels for cracks or fragments before starting the machine. Replace damaged wheels immediately. Never use a questionable grinding wheel,
as the RPM of the machine can send broken wheel
fragments flying at high speeds.
• Do not use a wheel that vibrates. If a wheel vibrates,
it may be that the bearings of the shaft need replacing.
• Make sure the grinding wheel is dressed properly
and evenly.
• Check that the grinding stone can rotate smoothly
before starting the machine.
• The grinding wheel is for grinding. Never attempt to
cut anything with the grinding wheel.
PERSONAL SAFETY
1. Operate in a well ventilated area. Keep the floor area
around the Sharbener level and free of slippery substances or other tripping hazards.
2. Wear ANSI-approved safety goggles to protect your
eyes from sparks and chips. Use hearing protection to
protect yourself from hearing loss.
3. DO NOT wear loose clothing or jewelry as they might
get drawn in by the tool. Tie back long hair.
4. People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in close
proximity to pacemakers could cause pacemaker interference or pacemaker failure.
5. Chips are harmful to your health. Use NIOSH-approved dust masks or other respiratory protection during operation and cleaning.
6. Always turn off and unplug the Sharpener before
making any adjustments or repair tasks. Never adjust
the Sharpener or the workpiece while the tool is running.
3. The use of accessories or attachments not recommended by the manufacturer may result in a risk of personal injury.
4. Make sure the water reservoir is filled with water to
the maximum fill line before operation. Check the water
level regularly and refill as necessary. Never attempt to
sharpen a blade when the grinding stone is dry.
5. DANGER: fire hazard. Do not grind or polish magnesium or magnesium alloys.
6. Preventing accidental starting. Make sure the power
switch is in the OFF position prior to plugging in the
machine. Always make sure the power switch is in the
OFF position and the machine is unplugged when doing
any cleaning, adjustments, assembly, setup operations,
or when not in use.
6
PREPARING THE SHARPENER
When transporting the Sharpener, carry it by either the
handle or the base. Never carry the device by its guards
or its accessories.
1. Examine the Sharpener for any damaged or missing
parts. Replace or repair damaged parts before operation. Periodically check that all nuts, bolts and other fasteners are properly tightened.
2. Do not operate this tool until it is completely assembled and installed according to the instructions. Make
sure all adjustments are correct and all connections are
tight. Keep all guards in place.
DURING OPERATION
1. Never start the machine with any load already applied
to either grinding wheel. Stand to the side of the sharpener during start-up. Switch it ON and let the sharpener
SPECIFIC RULES FOR YOUR SHARPENER
WARNING! Do not operate the power tool until you have read and understood the following instructions
and the warning labels.
reach full speed for roughly one minute to warm up the
wheel and to ensure proper operation.
2. Never grind on a cold wheel. Run the sharpener for
one full minute before applying the workpiece. Cold
wheels have an increased likelihood of chipping during
operation.
3. Only grind on the face of the grinding wheel. Do not
grind on the side of the wheel.
4. Keep clear of moving parts. Keep arms, hands and
other vital appendages away from the grinding and honing wheel. Do not reach behind or beneath the rotating
wheel. Avoid awkward operation and hand positions. An
accident could easily send the operator’s hand into the
wheel.
5. If you are interrupted when operating the Sharpener,
complete the process and switch the Sharpener off before looking up.
12. Should any component of your sharpener be missing/damaged or fail in any way, shut off the switch and
remove the plug from power supply outlet. Have a certified technician replace the missing, damaged, or failed
parts using only identical replacement parts before resuming operation.
6. Adjust tool rests and water reservoir as necessary,
keeping them close to the grinding wheel. Continue o
make adjustments as the wheel wears down.
7. Spacing between the tool rests and the wheel should
always be set to 1/8 inch or less. Always hold the workpiece firmly against the tool rest.
8. Never attempt to cut anything with the grinding wheel.
9. Do not use the Sharpener unless all guards are in
place. Do not operate with any guard disabled, damaged, or removed. Moving guards must move freely and
close instantly.
10. Disconnect the power source and allow the wheels
to come to a complete stop before making any adjustments to either the machine or the grinding wheels.
11. Clean the machine thoroughly when changing material types in workpieces. Combining certain materials
can increase the chances of an explosion or fire hazard.
7
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.
1. Do not modify the plug provided. If it will not fit the outlet, have the proper outlet installed by a licensed electrician.
2. 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 grounding conductor to a live terminal.
3. Check with a licensed electrician or service personnel if you do not completely understand the grounding instructions or whether the tool is properly grounded.
4. Use only three-wire extension cords that have three-pronged plugs and outlets that
accept the tool’s plug (INSERT CR). Repair or replace a damaged or worn cord immediately.
Fig. 1
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.
GUIDELINES AND RECOMMENDATIONS FOR EXTENSION CORDS
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 ampere rating. When in doubt, use a heavier cord. The
smaller the gauge number, the heavier the cord.
AMPERAGE
25 ft. 50 ft. 100 ft. 150 ft.
1.6A 18 gauge 16 gauge 16 gauge 14 gauge
1. Examine extension cord before use. 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.
2. Do not abuse extension cord. Do not pull on cord to disconnect from receptacle; always disconnect by pulling
on plug. Disconnect the extension cord from the receptacle before disconnecting the product from the extension
cord. Protect your extension cords from sharp objects, excessive heat and damp/wet areas.
3. Use a separate electrical circuit for your tool. This circuit must not be less than a 12-gauge wire and should
be protected with a 15A 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.
REQUIRED GAUGE FOR EXTENSION CORDS
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