
12
ENGLISH
13
ENGLISH
Note: Adjust one wheel at a time. Adjust one height position
at a time.
Switching on and off (g. I)
Switching on
uPush the power button (1).
uPull the right or left ON/OFF switch (3) towards the handle.
Switching off
uRelease ON/OFF switches (3).
Warning! Never attempt to lock a switch in the on position.
Mowing (g. J1 & J2)
We recommend to use your mower as outlined in this section
in order to achieve optimum results and to reduce the risk of
cutting the mains cable.
uPlace the bulk of the mains cable on the lawn, close to the
starting point (position 1 in g. J1).
uSwitch the appliance on as described above.
u Proceed as shown in g. J1
uMove from position 1 to position 2.
uTurn right and proceed towards position 3.
uTurn left and move towards position 4.
uRepeat the above procedure as required.
Warning! Do not work towards the cable as shown in g. J2.
Up to edge cutting (g. K, L)
Up to edge cutting you to cut grass right up to the edge of a
wall or fence (g K).
Up to edge cutting allows you to accurately cut grass right up
to the edge of your lawn (g L).
uWith the lawnmower parallel with the edge of your lawn,
push the lawnmower along the edge of the lawn. Ensure
that the edge of the mower is slightly over the edge of
your lawn (g.L).
Removing Blade (Fig. M, N)
Note: The BEMW451BH uses the BLACK+DECKER new
winged blade (Cat # A6319) for improved collection.
Warning! Ensure the blade has completely stopped
and disconnect the mower from the power source.
uCut a piece of 2x4 wood (12) 305mm to keep blade from
turning while removing ange nut.
uTurn the appliance onto its side. Wear gloves and proper
eye protection. Be careful of sharp edges of blade.
uPosition piece of wood (12) to keep blade from turning
as shown in Fig. M.
uUse a 13mm wrench (13) to loosen and remove the
blade bolt by turning counterclockwise.
uPull off blade (11) as shown in Fig. N. Examine all pieces
for damage and replace if necessary.
Installing Blade (Fig. O)
uPlace the blade (11) onto bolt shaft with the lettering
on the blade facing out, and place the blade bolt onto
the bolt shaft.
u Tighten the blade bolt as rmly as possible by hand.
uPosition piece of wood (12) to keep blade from turning
as shown in Fig. O.
uUse a 13mm wrench to securely tighten the blade
bolt by turning the wrench clockwise.
Blade sharpening
Keep blade sharp for best mower performance. A dull blade
does not cut grass cleanly. Use proper eye protection while
removing, sharpening, and installing blade. Sharpening the
blade twice during a mowing season is usually sufcient under
normal circumstances.
Sand causes the blade to dull quickly. If your lawn has sandy
soil, more frequent sharpening may be required.
Note: Replace bent or damaged blade immediately.
When sharpening the blade:
uMake sure blade remains balanced.
uSharpen blade at the original cutting angle.
uSharpen cutting edges on both ends of blade, removing
equal amounts of material from both ends.
To sharpen blade in a vice (g. P)
uBe sure the blade has stopped and the mower is
unplugged before removing the blade.
uRemove blade from mower. See instructions for removing
and installing blade.
uSecure blade (11) in a vice (14).
uWear proper eye protection and gloves and be careful not
to cut yourself.
Carefully le the cutting edges of the blade with a ne
tooth le (15) or sharpening stone, maintaining the angle
of the original cutting edge. Check balance of blade. See
instructions for blade balancing.
uReplace blade on mower and tighten securely.
Blade balancing (g. Q)
Check balance of the blade (11) by placing centre hole in
the blade over a nail or round shank screwdriver, clamped
horizontally in a vice. If either end of the blade rotates
downward, le along the sharp edge of that dropping end.
Blade is properly balanced when neither end drops.
Lubrication
No lubrication is necessary. Do not oil the wheels. They have
plastic bearing surfaces which require no lubrication.
Cleaning
Turn the mower off and let the blade come to a stop. Use only
mild soap and a damp cloth to clean the mower. Clean out any