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Black and Decker MM1800 Manual De Instrucciones página 9

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MAINTENANCE
Before each mowing session unplug the mower and ensure that the blade has stopped.
Check all nuts, bolts and screws to ensure proper
tightness,
Be sure to check the blade fastening
system.
IMPORTANT:
To assure product SAFETY
and RELIABILITY,
repairs, maintenance
and adjustment
should
be performed
by authorized
service
centers or other qualified
service organizations.
Use only identical
replacement
parts.
Inspect and thoroughly
clean your mower at the beginning
of each mowing season
for longer life and better performance.
From time to time turn the mower off and wait for the blade to stop. Then unplug the power cord and turn the mower on its side.
Using an object
such as a stick or rag, wipe out any accumulation
of grass in the blade area. Also clean out any grass or debris which may be packed
around the
discharge/mulch
door area.
Be careful of the sharp edges of the blade.
REMOVING
AND INSTALLING
BLADE
(FIGURE L, M, N)
1. RELEASE
SWITCH
LEVER TO TURN
MOWER
OFF, WAIT FOR THE BLADE TO STOP, AND
UNPLUG
MOWER.
2. Cut a piece of 2x4 wood (L-l)
(about 2 feet long) (610 mm) to keep blade from turning while
removing
flange nut.
3. Turn the mower on its side. Wear gloves and proper
eye protection.
Be careful of sharp edges of
blade. Position wood (L-l)
and remove flange nut (L-3) with 3/4 in. (19mm)
wrench
(L-2) as shown
in figure
L
4. Remove square
metal blade spacer (M-2), square plastic blade insulator
(M-3) and blade (M-4)
as shown
in figure
M. Examine
blade insulator
for damage
and replace if necessary.
5. When
replacing
sharpened
or new blade on shoulder
of fan (M-5), make sure the "GRASS
SIDE" on the blade will be facing the ground when the mower is returned to its normal
upright posi-
tion. After installing
blade (M-4), place plastic blade insulator
(M-3) on blade such that the raised
lips on one side engage
the edges of the blade. Then install the blade spacer (M-2) so that it sits
inside the raised lips on the other side of the blade insulator.
Be sure to align the flats in the hole of
the blade spacer with the flats of the shaft, rotating
the blade and blade insulator
together as nec-
essary.
6. Position piece of wood (N-l)
to keep blade from turning
as shown in figure
N. Install flange nut
with the flange against the blade spacer and securely
tighten.

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