Wel-Bilt 151604 Operating Instructions Manual

ALWAYS WEAR EYE, FACE & EAR PROTECTION

Spindle Lock

Quick Change
Guard

On-Off Switch

Brush

4in. ANGLE GRINDER

OPERATING INSTRUCTIONS

SPECIFICATIONS – ITEM# 151604

2-Position
Handle

Disc

Disc Diameter: 4in.
Disc Bore Diameter: 5/8in.
No Load Speed: 11,000 max. RPM
Input Power: 500W

Distributed by Northern Tool & Equipment Co., Inc. Burnsville, MN 55306-6936 NorthenT

ool.com

Made in China

WEAR PROPER APPAREL. ENSURE THAT SKIN ON
ALL PARTS OF YOUR BODY IS COVERED AND
PROTECTED FROM SPARKS OR DEBRIS FROM THE
WORKPIECE OR ACCESSORY.
THIS INCLUDES SAFETY GLASSES, GLOVES, MASK,
SAFETY FOOTWARE AND CLOTHING

• Disconnect the tool from the power source by
removing the plug from the outlet prior to making
adjustments, fitting the disc or accessories. This
precaution must be taken to prevent the tool from
being accidentally switched “ON” while adjustment or
fitting is carried out.

• Always ensure that the work is securely clamped.
The work must not be held in the hand or supported
on the knees.

• Wear eye protection and, where appropriate,
respiratory protection, when using the tool. Fast­moving particles from the work can cause eye injury.

• Don’t over-reach, keep proper footing and balance
at all times.

• Maintenance should only be carried out by an
authorised service agent using original parts. If the
supply cord is damaged it should only
be replaced by an authorised service agent.

• When using an extension cord, ensure that a 10A
rated cord is used otherwise damage to the tool may
occur. Ensure that the cord is fully unreeled before use.
If used outdoors a heavy duty type must be used.
Have a registered electrician replace or repair any
damaged or worn cord immediately.

• The supply cord of the tool and any extension cord
used should be checked frequently for damage.

• Check damaged parts - before further use of the tool,
any guard or other part that is damaged should be
carefully checked to ensure that it will operate properly
and perform its intended function. Check for
alignment of moving parts, binding of moving parts,
breakage of parts, and any other conditions which
may affect or restrict the tool’s operation. A guard or
other part that that is damaged should be repaired or
replaced by an authorised service agent. Have
defective switches replaced immediately.

• The tool should not be exposed to excessive humidity
or be operated in areas with explosive or corrosive
gases. Sparks may be produced with this tool, which
can ignite flammable gasses and material.

• Do not use the tool in a confined space where body
movement may be restricted.

• Wear proper apparel as described above.

• Keep the blade guard in place and maintained in
proper working order.

• Keep hands away from cutting or grinding edges while
the tool is being operated.

• Keep the work area clean.

• Don’t force the tool, it will do a better job and more
safely when used at a rate for which it is designed.

• Remove the wrench before use. Form the habit of
checking to see that the wrench is removed after
changing the disc before turning the tool on.

• This is not a toy. Do not let children use this grinder.
Store out of reach of children when not in use.

GENERAL USE

The 4in. (100mm) angle grinder is designed to grind
all types of material and has been designed for DIY
(Do It Y

ourself) and hobbyist purposes. Select the
appropriate disc depending on the type of material you
are grinding or cutting. Please discuss replacement
discs with your retailer

.

When grinding do not force the grinder as no more
force than the weight of the grinder itself should be
required. If the tool should slow significantly lift it away
from the surface to allow it to regain speed.
Continuous use at lower speeds will result in
permanent damage to your tool.

SAFETY INSTRUCTIONS FOR ALL POWER TOOLS

W

ARNING! BE SURE TO DISCONNECT THE
ANGLE GRINDER FROM THE POWER SUPPLY
BEFORE ATTACHING OR REMOVING THE DISC OR
A

TTACHMENT.

W

ARNING! MAKE SURE THAT A GRINDING
OR CUTTING DISC IS MOUNTED WITH THE LABEL
ON T

OP OR FACING THE ANGLE GRINDER.

IF Y

OU ARE FITTING ANY OTHER KIND OF
ATTACHMENT, REFER TO ATTACHMENT FITMENT
INSTRUCTIONS. Northern Tool + Equipment WILL
NOT BE RESPONSIBLE FOR ANY DAMAGE OR
INJURY CAUSED DUE TO THE INCORRECT FITMENT
OF GRINDING OR CUTTING DISCS OR ANY OTHER
KIND OF ATTACHMENT. INCORRECT ATTACHMENTS
CAN CAUSE THE MOTOR TO BURN OUT,
GENERALLY DAMAGE THE TOOL OR CAUSE INJURY.

Attaching and removing the grinding disc provided:

• Inspect the disc before fitting and during use to ensure

it is not deformed or cracked.

• Ensure that the guard is fitted and at an angle which

ensures it is between you and the grinding disc. The
guard is there to protect you from dislodging objects
at the work piece and from accidental contact with the
disc, of your hand, fingers or other parts of yourself.

• Do not fit or use a grinding disc for cutting

applications – For cutting, use a cutting disc and ask
your hardware retailer for advice regarding the type of
material you wish to cut. Grinding discs are used for
grinding metal only.

• The grinding disc provided is not solid. It is made from

grit which is bonded together with reinforcement and
adhesives. It is always possible that a part of the disc
can dislodge and fly away from the tool at high
speed. This is why you must wear the appropriate
safety equipment (glasses, gloves and protective
clothing) described herein and follow all safety
instructions also described herein.

• Do not use any kind of attachment (discs or otherwise)

that has a diameter of greater than 4in. (100mm).

• Remove the outside retaining flange by hand if loose.

If tight, depress the spindle lock button at the top of
the gear box housing, rotate the spindle to locate the
lock position. Once the spindle is locked and cannot
be rotated, use the wrench supplied to loosen the
retaining flange.

• Remove the grinding disc from its envelope.

• Holding the angle grinder with the spindle facing

upwards, ensure the non threaded flange is on the
spindle and located correctly. The two machined flat
sections on one side of the non threaded flange must
face the angle grinder and locate in the appropriate
position on the spindle.

•

Insert the grinding disc onto the angle grinder spindle
with the disc label facing the angle grinder. The hole
in the disc should be located onto the spindle. Ensure
that the hole in the disc locates and fits firmly into the
ring section of the non threaded flange.

• Screw the threaded flange onto the spindle with the
protruding ring section facing the angle grinder

. This ring

section must locate with the hole in the grinding disc.

• Tighten the threaded flange by locking the spindle and
tighten with the spanner provided.

• Removal of the disc is conducted in reverse order
to the above.

• Regularly check that the disc retaining flange has
not loosened during use.

Note:

• When fitting a cutting disc, the ring section on outer
flanges should face away from the disc.

• When fitting the wire wheel, the ring section on
the outer flange should face into the wheel.

Fitting of Sanding Accessory:

• Thread backing wheel onto grinder first.

• Select the grit of paper that you wish to use.

• Place grit on wheel and then thread the paper
retaining nut on and tighten using spanner and
spindle lock.

ASSEMBLY AND INSTRUCTIONS

For use with cutting disc

Outer Flange

Inner Flange

For use with grinding disc and wire wheel

Outer Flange

Inner Flange

For use with sandpaper

Outer Flange

Inner Flange

• Use extra care when working into a corner because a
sudden, sharp movement of the grinder may be
experienced when the wheel contacts a secondary
surface or a surface edge.

• Don’t expose the tool to rain or snow. Don’t use the
tool in damp locations or in an environment with
explosive or corrosive gas.

• K

eep your work area well lit.

•

Make sure you are well balanced when using the tool
and you have secure footing. Don’t use the
tool when you are tired.

• Keep long hair away from the grinder.

• Always inspect the grinder before use – have any damage
repaired by an authorised Tools service agent.

• Make sure the disc is not contacting the workpiece
before the switch is turned on.

• Keep the guard in place. Do not use if guard is
missing or damaged.

• Use only discs having a maximum operating speed
at least as high as “No Load Speed” marked on the
nameplate.

• Check the disc carefully for cracks or damage before
operation. Replace cracked or damaged discs

immediately.

• Be careful not to damage the spindle or either of the
disc flanges. Damage to these parts could result in
disc breakage.

• Hold the tool firmly with two hands at all times.

• Before using the tool on an actual workpiece, let it run
for a while. W

atch for vibration or wobbling that could
indicate poor installation of the disc or a poorly
balanced disc.

• Use only discs designed for each specified function
and purpose. Do not use cutting discs for grinding or
metal wheels on masonry.

• Watch out for flying sparks. Hold the tool at an angle
of approximately 15º-30º to the workpiece surface.

• It should never be necessary to force the tool. If
rotational speed drops abnormally the pressure should
be released immediately. Little more than the weight of
the tool should be applied. Forcing and excessive
pressure can cause dangerous disc breakage or
damage to the tool.

• Do not use grinder for extended periods of time.
Vibration caused by operating this tool may cause
damage to fingers, hands and arms.

1. When not in use the grinder should be stored in a dry,
frost free location not within the reach of children.

2. Keep ventilation slots of the grinder clean at all times
and prevent any foreign matter from entering.

3. If the enclosure of the grinder requires cleaning do
not use solvents but a moist soft cloth only.

4. The grease in the gearbox will require replacement/
replenishment after extensive use of the grinder.

Please see your authorised service agent to provide this service.

5. Regularly check the carbon brushes. Brushes should
be replaced before they wear out. Both brushes
should be replaced at the same time.

Note: Northern Tool + Equipment will not be
responsible for any damage or injuries caused by repair
of the grinder by an unauthorised person or by
mishandling of the tool.

SAFE USE AND OPERATION OF THE GRINDER

MAINTENANCE

WARRANTY

THIS WARRANTY FORM SHOULD BE RETAINED BY
THE CUSTOMER AT ALL TIMES

PURCHASED FROM:_______________________________

DATE PURCHASED: _______________________________

The warranty is only made available by returning the tool
to the place of purchase with a confirmed register receipt.

6 MONTH REPLACEMENT WARRANTY

Your Wel-Bilt tool is covered by a 6 month replacement
warranty from the date of purchase. Industrial or high
frequency use will void this warranty. The warranty
covers faulty parts or workmanship.

WARNING

The following actions will result in the warranty being void.

• If the tool has been operated on a supply voltage
other than that specified on the unit.

• If the tool shows signs of damage or defects caused
by or resulting from abuse accidents or alterations.

• If the tool has been disassembled or tampered with in
any way

.

*Warranty excludes consumable parts such as brushes,

batteries, sanding pads, blades, discs and drill bits.