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• 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. 

• Keep 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. Watch 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.

Summary of Contents for 151604

Page 1: ...rush 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 NorthenTool com Made in China ...

Page 2: ...heck 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 cor...

Page 3: ...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 upwa...

Page 4: ...se 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 th...

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