Troubleshooting - Black & Decker GR3400 Original Instructions Manual

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Emptying the grass bag
When you see loose grass scattering from beneath the
mower, empty the grass bag.
Warning! Never use the appliance without the grass bag.
Carrying the mower (fig. H)
Warning! Disconnect the appliance from the mains and wait
until the blade has stopped rotating before proceeding.
The mower can be carried using the convenient carry
handles (9).
Hints for optimum use
If the grass is longer than approximately 10 cm, make
two cuts to obtain a better finish. First mow at maximum
height of cut, then use a low or medium height of cut.
In order to achieve optimum results, only mow dry
Your Black & Decker appliance has been designed to
operate over a long period of time with a minimum of
maintenance. Continuous satisfactory operation depends
upon proper appliance care and regular cleaning.
Keep the appliance clean and dry.
Regularly clean the ventilation slots with a clean, dry
paint brush.
Regularly use a blunt scraper to remove grass and dirt
from the appliance.
To clean the appliance, use only mild soap and a damp
cloth. Never let any liquid get inside the tool and never
immerse any part of the tool into liquid. Do not use any
abrasive or solvent-based cleaner.
Blade maintenance
Regularly remove grass and dirt from the blade.
At the beginning of the gardening season, carefully
examine the condition of the blade.
If the blade is very blunt, sharpen or replace the blade.
If the blade is damaged or worn, fit a new blade as
described below.
Replacing the blade (fig. I)
A replacement blade is available from your Black &
Decker dealer.
- Cat no. A6245 can be used on the following mowers:
GR3400, GR 3410 & GR3420.
- Cat no. A6243 can be used on the following mowers:
GR3800, GR3810 & GR3820.
Warning! Observe the following precautions:
Disconnect the appliance from the mains and wait until
the blade has stopped rotating before proceeding.
Be careful not to cut yourself. Use heavy-duty gloves or
a cloth to grip the blade.
Only use the specified replacement blade.
Do not remove the impeller (16) for any reason.
To replace the blade:
Turn the appliance onto its side.
Grip the blade (17) with one hand.
Use the spanner supplied to loosen and remove the
blade nut (18).
Note: When fitting a blade, the text on the blade must be
facing the user.
Replace the blade (17).
Refit the washer (if fitted before) and nut (18).
Securely tighten the blade nut.


If your appliance seems not to operate properly, follow the
instructions below. If this does not solve the problem, please
contact your local Black & Decker repair agent.
Warning! Before proceeding, remove the plug from the
Motor buzzes but blade does not move
Carefully remove any obstructions from the blade.
No noise and blade does not move
Check that the power cables are properly connected.
Check the mains fuses.
Protecting the environment
Separate collection. This product must not be
disposed of with normal household waste.
Should you find one day that your Black & Decker product
needs replacement, or if it is of no further use to you, do not
dispose of it with household waste. Make this product
available for separate collection.
Separate collection of used products and packaging
allows materials to be recycled and used again. Re-
use of recycled materials helps prevent
environmental pollution and reduces the demand
for raw materials.
Local regulations may provide for separate collection of
electrical products from the household, at municipal waste
sites or by the retailer when you purchase a new product.
Black & Decker provides a facility for the collection and
recycling of Black & Decker products once they have
reached the end of their working life. To take advantage of
this service please return your product to any authorised
repair agent who will collect them on our behalf.


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