Wido WD030120350 User manual

Bench Grinder
WD030120150
WD030120350
150W/350W

WD030120150/ WD030120350
2
Thank you for purchasing a WIDO product. We are confident that you will appreciate the quality
of the product and you will be entirely satisfied with your purchase. Please read carefully the
user safety and operating instruction on how to operate this product correctly within safety
norms and regulations.

WD030120150/ WD030120350
ON
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ON
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≤5mm
≤1.5mm
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150W/350W BENCH GRINDER ENG
COMPONENT LIST
1) On/off switch
2) Toolrest locking knob
3) Toolrest
4) Eye shield
5) Spark deflector
6) Wheel guard
7) Grinding wheel
8) Grinding wheel flange
9)
10)
11) Base
12) Mounting holes
NORMAL ACCESSORIES
1) Eye shields: 2set
2) Tool rests: 2set
We recommend that you purchase your accessories from the same store that sold you the tool.
Use good quality accessories marked with a well-known brand name. Choose the type according to the
work you intend to undertake. Refer to the accessory packaging for further details. Store personnel can
assist you and offer advice.
4
Outer grinding wheel flange
Grinding wheel locking nut

150W/350W BENCH GRINDER ENG
GENERAL POWER TOOL SAFETY WARNINGS
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.
Save all warnings and instructionsfor future reference.
The term "power tool" in the warnings refers to your mains-operated (corded) power tool or
battery-operated (cordless) power tool.
1) Work area safety
a) Keep work area clean and well lit.Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive atmospheres, such as in the presence of
flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
c) Keep children and bystanders away while operating a power tool. Distractions can cause you
to lose control.
2) Electrical safety
a) 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. Unmodified plugs and matching outlets will
reduce risk of electric shock.
b) Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges
and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
c) Do not expose power tools to rain or wet conditions. Water entering a power tool will increase
the risk of electric shock.
d) Do not abuse the cord. Never use the cord for carrying, 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.
e) When operating a power tool outdoors, use an extension cord suitable for outdoor use.Use
of a cord suitable for outdoor use reduces the risk of electric shock.
f) If operating a power tool in a damp location is unavoidable, use a residual current device
(RCD) protected supply. Use of an RCD reduces the risk of electric shock.
3) Personal safety
a) 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 inattention while operating power tools may result in serious personal injury.
b) Use personal protective equipment. Always wear eye protection.Protective equipment such
as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will
reduce personal injuries.
c) 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 energising power tools that have the switch on invites accidents.
d) Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left
attached toarotating part of the power tool may result in personal injury.
e) Do not overreach. Keep proper footing and balance at all times.This enables better control of
the power tool in unexpected situations.
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150W/350W BENCH GRINDER ENG
f) Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing and gloves
away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.
g) 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.
4) Power tool use and care
a) 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.
b) 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.
c) 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.
d) 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.
e) 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.
f) Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges
are less likely to bind and are easier to control.
g) 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.
5) Service
a) 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.
ADDITIONAL SAFETY INSTRUCTIONS FOR YOUR POWER TOOL
1) Always wear protective glasses when using this power tool.
2) Use a dust mask or respirator for applications which generate dust.
3) Wear ear protectors. Exposure to noise can cause hearing loss.
4) Keep handles dry, clean, and free from oil and grease. Greasy, oily handles are slippery causing
loss of control.
5) Use only grinding wheels recommended by the manufacturer which have a marked speed equal to
or greater than the speed marked on the nameplate of the power tool. Wheels running over the rated
speed can fly apart and cause injury.
6) Only use grinding wheels with a bore exactly equal to that of the grinder arbor (shaft).
7) Examine grinding wheels for cracks or other damage before using power tool. Replace cracked or
damaged wheels immediately.
8) Do not use a wheel that has received a blow, especiallytothe side of the wheel.
9) Use only wheel flanges furnished with power tool. Use of other flanges may cause damage or
breakage to the grinding wheel and result in injury to the operator.
10)Do not over tighten wheel locking nuts. This may crack the grinding wheel.
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150W/350W BENCH GRINDER ENG
11)Always use proper guard with grinding wheel. A guard protects operator from broken wheel
fragments.
12)Always use eye shields, making sure they are properly adjusted and secured.
13)Keep spark deflectors close to the wheel and readjust inward as the wheel wears.
14)Check that the tool rests are properly adjusted before commencing use. That distance from tool
rest to face of the wheel must is less than 1.5mm.
15)Never operate power tool near flammable liquids, gases or dust. Sparks from grinding wheel or
motor could ignite flammable material.
16)Make sure that the wheel is not in contact with the work when you start the power tool.
17)Always allow a new wheel to run for a few minutes at full speed before using it. Never start the
power tool with a person in line with the wheel. This includes the operator.
18)When turning on the power tool, stand to the side of the wheel and allow the power tool to come up
to speed and operate for one full minute before applying work to the wheel.
19)Never grind on the side of the wheel. Always grind on the face of the wheel only.
20)Never apply excessive pressure to the wheel. It mightshatter causing personal injury.
21)Do not overload the power tool. Allow the power tool to run at full speed or close to full speed
during use
22)Never apply coolant directly to the grinding wheel. Coolant may deteriorate the bonding strength of
the wheel and cause it to fail.
23)Grinding creates heat. Never touch the workpiece until you are sure it has cooled sufficiently.
24)Never leave the power tool until the grinding wheels have come to a complete stop.
25)If an extension cord is required, use only three-wire extension cords that have three-prong
grounding-type plugs and three-pole receptacles that accept the power tool’s plug. Use only an
approved extension cord suitable for the power input of this tool (see technical data). An undersized
cord will cause a drop in line voltage resulting in loss of power and overheating. When using a cord reel,
always unwind the cord completely. Fully unwind extension cords to avoid potential overheating.
Warning: Some dust created by power sanding, sawing, grinding, drilling, and other construction
activities contains chemicals known to cause cancer, birth defects or other reproductive harm. Some
examples of these chemicals are:
•Lead from lead-based paints,
•Crystalline silica from bricks and cement and other masonry products, and
•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, and work with approved safety
equipment, such as those dust masks that are specially designed tofilter out microscopic particles.
IMPORTANT NOTE
Be sure the supply is the same as the voltage and frequency given on the rating plate.
Remove the main plug from socket before carrying out any adjustment or servicing.
GROUNDING INSTRUCTIONS
This power tool should be grounded while in use to protect the operator from electric shock. The power
tool is equipped with a three-core cable and grounding type plug to fit the proper grounding type
receptacle. The green and yellow (or green) conductor in the cord is the grounding wire. Never connect
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150W/350W BENCH GRINDER ENG
the green and yellow (or green) wire to a live terminal.
SYMBOLS
To reduce the risk of injury, user must read instruction manual
Double insulation
Warning
Wear ear protection
Wear eye protection
Wear dust mask
Waste electrical products should not be disposed of with household waste. Please recycle
where facilities exist. Check with your Local Authority or retailer for recycling advice
TECHNICAL DATA
Note: For power tool specifications refer to the nameplate on your power tool.
Model WD030120150 WD030120350
Voltage 110-120V AC 220-240V AC 110-120V AC 220-240V AC
Frequency 60Hz 50Hz 60Hz 50Hz
Power input 150W 150W 350W 350W
No load speed 3450/min 2950/min 3450/min 2950/min
Wheel size Ф6″X 5/8″Ф150X16mm Ф8″X 3/4″Ф200X20mm
Wheel bore Ф1/2″Ф12.7mm Ф5/8″Ф16mm
Protection class I I I I
Machine weight 4.9Kg 4.9Kg 11Kg 11Kg
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150W/350W BENCH GRINDER ENG
OPERATING INSTRUCTIONS
Note: Before using the power tool, readthe instruction manual carefully.
1. Intended use
The machine is intended for sharpening tools such as drill bits and chisels or grinding small metal parts.
It is not suitable for grinding heavy sheet metal parts. It is not suitable for grinding soft substance such
as wood, plastic, lead, magnesium and light alloys.
2. Before using your power tool
1) The power tool must be mounted on a level and stable surface (e. g., workbench) prior to using.
2) Check the grinding wheels. The grinding wheels must be properly mounted and must rotate freely.
Carryout a one minute test run with no load.
3) Do not use cracked or damaged grinding wheels.
3. Fitting and adjusting the eye shields and spark deflectors
Warning: Prior to fitting the eye shields and spark deflectors, ensure the grinder is turned off and the
power plug is removed from the socket.
Note: Always check to ensure the eye shields and spark deflectors are correctly fitted and they are
correctly adjusted each time the grinder is used. Eye shields and spark deflectors must be fitted over
each grinding wheel.
1) Position the eye shield and spark deflector to the top of the wheel guard.
2) Reinserting the bolt through the spark deflector and wheel guard, followed by the washer, spring
washer, and nut.
3) Slide the spark deflector up or down so that the bottom edge is less than 5mm from the surface of
the wheel, but not touching the wheel.
4) Tighten to secure the spark deflector onto the wheel guard.
5) Rotate the wheel one full revolution by hand to ensure the wheel can rotate without contacting the
spark deflector bracket. Firmly tighten the bolt retaining the bracket (See Fig 1).
6) Repeat the assembly operation for the second eye shield and spark deflector.
4. Fitting and adjusting the tool rests
Warning:
•Prior to fitting the tool rests, ensure the grinder is turned off and the power plug is removed from the
socket.
•To reduce the risk of injury, never use a grinder on which the tool rest has not been fitted or where the
tool rest has not been correctly adjusted.
1) Hold the toolrest in the correct position against the inner surface of the wheel guard.
2) Insert bolt through wheel guard and tool rest, followed by a washer, spring washer, and locking knob.
3) Tighten the locking knob sufficiently to support the tool rest but still allowing the tool rest to slide
inwards and outwards.
4) Slide the tool rest to within a maximum of 1.5mm from the wheel. Rotate the wheel one full revolution
by hand to ensure the wheel does not contact the tool rest. Firmly tighten the locking knob firmly to
retain the assembly (See Fig 2).
5) Repeat the assembly operation for the second toolrest.
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150W/350W BENCH GRINDER ENG
5. Mounting grinder to workbench
1) The grinders are supplied with 4 rubber mounts which assist in reducing the transmission of vibration.
If grinder is to be used in a permanent location, it is strongly recommended that the grinder fastened
securely to a firm supporting surface such as a stand or workbench using mounting holes.
2) When mounting grinder to a workbench, holes should be drilled through the supporting surface of the
workbench.
3) Place bench grinder on workbench aligning holes in base with holes drilled in workbench. Insert
bolts and tighten (See Fig 3).
Note: Where the grinder is to be mounted to a steel work bench, it is advisable to place a piece of
timber between the bench and grinder then bolt through the grinder and timber into the bench. This
further assists to reduce vibration.
6. Using the On/Off switch
1) To turn the grinder on, press the upside or right hand side of the On/Off switch to the position marked
"┃" (See Fig 4)
2) To turn the grinder off, press the underside or left hand side of the On/Off switch to the position
marked " O".
7. Operating your grinder
Warning: Prior to using the grinder, check that the eye shields, spark deflectors, and tool rests are
fitted and correctly adjusted and that you are wearing safety gear including eye, hearing and breathing
protection.
1) Turn the wheel by hand to make sure it does not touch the guard, eye shields, spark deflectors or
tool rests and runs freely.
2) Stand to one side,turn the switch on and allow the motor to reach full speed.
3) Support the workpiece on the tool rest and gradually feed the workpiece onto the wheel (See Fig 5).
Use pliers to hold small workpieces.
4) If the grinding operation causes the motor speed to noticeably decrease, pull back the workpiece,
allow the motor to regain full speed and restart the grinding operation, but apply less force.
Warning: To reduce the risk of injury, only use the front face of the grinding wheel, not the sides. Note
that the workpiece can get very warm. It may be necessary to cool a workpiece by dipping it in a coolant
or in water. Do not apply coolant or water tothe grinding wheel.
8. How to true and dressthe wheels
Dressing a wheel cleans and levels the front surface to increase efficiency of operation and prevent
vibration.
1) Dressing a wheel involves the use of a wheel dresser which is not supplied with the grinder. Follow
the manufacturers instructions of the wheel dresser.
2) Adjust the tool restto allow the front part of the wheel dresser to fit between the tool rest and wheel.
3) Start the motor and move the dresser across the front of the wheel a sufficient number of times until
the surface is level. It is not necessary to apply excessive force in an attempt to dress the wheel in one
pass of the wheel dresser.
4) Adjust the tool rest so that it is no more than 1.5mm from the wheel (See Fig 6).
5) Adjust the spark deflector to ensure the gap between the deflector and wheel is no more than 5mm
(See Fig 7).
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150W/350W BENCH GRINDER ENG
9. Grinder adjustments
During the life of the grinder some adjustments are required to maintain a safe working environment.
Please ensure the following:
1) Always adjust the eye shields to the most comfortable and most effective angle to suit the task being
performed.
2) As the wheels wear, the spark deflector must be adjusted to ensure the gap between the spark
deflector and wheel does not exceed 5mm.
3) As the wheels wear the tool rests must also be adjusted so there in never a gap of greater than
1.5mm between the wheel and the edge of the tool rest.
10. Changing a grinding wheel
Warning: Prior to changing a wheel, ensure the grinder is turned off and the power plug is removed
from the socket. Make sure that the replacement wheel is rated at 3000/min or higher.
1) Loosen and remove the retaining bolts and take off the spark deflector
2) Loosen and remove the retaining bolts and take off the wheel guard
3)To prevent wheel rotation, place a wood wedge between the grinding wheel and the toolrest.
4) Remove the locking nut (See Fig 8), outer flange and the wheel.
Note: The wheel on the left-hand side of the bench grinder has a left-hand thread and is unscrewed in
a clockwise direction. The wheel on the right-hand side of the bench grinder has a right-hand thread
and is unscrewed in an anti-clockwise direction.
5) Fit the replacement wheel and outer flange on the shaft ensuring that there is a blotter between the
wheel and the flanges on each side of the wheel. Ensure the wheel is a slide fit (not loose) on the
spindle (See Fig 9).
6) Replace the grinding wheel nut and tighten. (See the note above regarding the direction of rotation of
the nut). Do not over tighten.
7) Replace the wheel guard.
8) Reinsert the 3 bolts, washers, spring washers, nuts, and tighten wheel guard in place.
9) Replace the retaining screw, spark deflector and tool rest.
10) Re-adjust the spark deflector, eye shield and tool rest.
11) Rotate the wheel by hand to check for free movement and proper adjustments.
12) Plug in the bench grinder, put on eye protection, stand to one side and run the grinder at full speed
for several minutes
WORKING HINTS FOR YOUR POWER TOOL
1.Remember that grinding often produces sparks. Do not allow anyone to stand in the path of the
sparks. Do not grind near flammable materials.
2.If the grinding operation causes the motor speed to noticeably decrease, pull back the workpiece,
allow the motor to regain full speed and restart the grinding operation, but apply less force.
3.Wear the proper protective clothing. Particles flying off of a grinding wheel will be traveling very fast
prepare for this. Wear safety glasses/face shield, a dust mask, earplugs, a leather apron, and heavy
leather boots
4.Grasp the workpiecefirmly and properly support it on the tool rest during grinding. Maintain even
pressure and control of the workpiece when grinding.
5. Do not grind on the side of the wheel. The wheels are not designed for side grinding.
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150W/350W BENCH GRINDER ENG
MAINTENANCE
Warning: Remove the plug from the socket before carrying out any adjustment, servicing
or maintenance.
1.Regularly check that all the fixing screws are tight. They may vibrate loose over time.
2.Blowing dust and grit out of the wheel guards using compressed air is a necessary regular
maintenance procedure. Wear eye protection and dust mask when blowing.
3.Keep the outside of the grinder clean by brushing grinding dust and dirt away from all areas where
the dust tends to build up.
4.Wipe the guards and grinder with a soft damp cloth. A mild detergent can also be used. Never use
solvents or other harsh chemicals for cleaning the non-metallic parts of the tool.
5.Your power tool requires no additional lubrication.
6. Always store your power tool in a dry place.
7. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
TROUBLESHOOTING
1. If your power tool will not operate, check the power at the mains plug, may be start capacitor is at
fault, replace start capacitor with a new one if fault
2. If your power tool vibrates, tighten mounted bolt if loose , or reinstalling grinding wheel and
grinding wheel.
3. If afault can’t be rectified,return the power tool to an authorized dealer for repair.
ENVIRONMENT PROTECTION
Waste electrical products should not be disposed of with household waste. Please recycle
where facilities exist. Check with your Local Authority or retailer for recycling advice.
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adjusting circumferential angle of

150W/350W BENCH GRINDER ENG
EXPLOSIVE VIEW OF WD030120150
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150W/350W BENCH GRINDER ENG
PART LIST OF WD030120150
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NO
DESCRIPTION
Q’TY
NO
DESCRIPTION
Q’TY
1 Grinder Wheel 1 26 Locking knob 2
2 Screw 2 27 Screw 2
3 Screw 2 28 Spring washer 2
4 Eye shield bracket 2 29 Base 1
5 Washer 8 30 Screw 2
6 Spring washer 8 31 Cable clamp 1
7 Nut 10 32 Cable protector 1
8 Eye shield 2 33 Fixed plate 1
9 Bearing 2 34 Left toolrest 1
10 Rotor 1 35 Left guard 1
11 Stator 1 36 Nut 1
12 Nameplate 1 37 Left outer guard 1
13 Motor housing 1 38 Plug & Cable 1
14 Cover 2 39 Screw 1
15 Right guard 1 40 Capacitor 1
16 Wheel flange 4 41 Screw 2
17 Nameplate of wheel 4 42 Base plate 1
18 Grinder Wheel 1 43 Rubber feet 4
19 Nut 1 44 Spring washer 1
20 Right outer guard 1 45 Screw 1
21 Screw 6 46 Ground terminal 1
22 Square neck screw 2 47 Tooth washer 1
23 Right tool rest 1 48 Switch 1
24 Tooth washer 2 49 Screw 4
25 Washer 2

150W/350W BENCH GRINDER ENG
EXPLOSIVE VIEW OF WD030120350
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150W/350W BENCH GRINDER ENG
PART LIST OF WD030120350
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NO
DESCRIPTION
Q’TY
NO
DESCRIPTION
Q’TY
1 Screw 6 28 Right tool rest 1
2Left toolrest 1 29 Tooth washer 2
3 Nut 1 30 Washer 2
4 Wheel flange 4 31 Lock knob 2
5 Nameplate of wheel 4 32 Switch panel 1
6 Grinder Wheel 1 33 Screw 2
7 Lift guard 1 34 Switch 1
8 Nut 2 35 Rubber feet 4
9 Nut 8 36 Base plate 1
10 Spring washer 8 37 Screw 2
11 Washer 8 38 Washer 2
12 Eye shield bracket 2 39 Tooth washer 1
13 Screw 2 40 Ground terminal 1
14 Screw 8 41 Screw 1
15 Eye shield 2 42 Spring washer 1
16 Stator 1 43 Capacitor 1
17 Motor housing 1 44 Capacitor clamp 1
18 Nameplate 1 45 Screw 1
19 Rotor 1 46 Cable and plug 1
20 Bearing 2 47 Sheath for wire 1
21 Waved washer 1 48 Base 1
22 Cover 2 49 Screw 8
23 Right guard 1 50 Screw 2
24 Grinder Wheel 1 51 Protector for cable 1
25 Nut 1 52 Screw 2
26 Outer guard 2 53 Fixed plate 1
27 Square neck screw 2

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