DeWalt DCMW220 Guide D'utilisation page 14

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7. AlWAYs RElEAsE BAil hAnDlE TO TURn MOWER
OFF, REMOVE sAFETY KEY AnD BATTERY PACKs
WhEn lEAVing iT UnATTEnDED EVEn FOR A
shORT PERiOD OF TiME.
The following suggestions will help you to obtain
optimum run time from your cordless mower:
Slow down in areas where the grass is especially
long or thick.
Avoid mowing when the grass is wet from rain or
dew-soaked.
Cut your lawn frequently, especially during high
growth periods.
nOTE: it is recommended that your mower be
recharged after use to prolong the battery life.
Frequent charging will not harm your battery, and
will ensure that the battery is fully charged and ready
for its next use. storing battery not fully charged will
shorten battery life.
MAINTENANCE

DANGER: To reduce the risk of serious personal
injury, turn unit off, remove safety key, and
remove battery packs before making any
adjustments or removing/installing attachments
or accessories. An accidental start-up can
cause injury.
Removing and Installing Blade (Fig. O ‑ Q)

DANGER: RISK OF INJURY. WHEN REASSEMBLING
THE BLADE SYSTEM, ENSURE EACH PART IS
REINSTALLED CORRECTLY, AS DESCRIBED BELOW.
IMPROPER ASSEMBLY OF THE BLADE OR OTHER PARTS
OF THE BLADE SYSTEM MAY CAUSE SERIOUS INJURY.

DANGER: To reduce the risk of serious personal
injury, turn unit off, remove safety key, and
remove battery packs before making any
adjustments or removing/installing attachments
or accessories. An accidental start-up can
cause injury.
1. Cut a piece of 2x4 wood 
(610 mm) to keep blade from turning when removing
the flange nut  
.
 25 

WARNING: Use gloves and proper eye protection.
Turn the mower on its side. Be careful of sharp edges
of blade.
2. Position wood and unscrew flange nut  
counterclockwise with a 18 mm wrench 
in Fig. O.
3. Remove square metal blade spacer  
blade insulator  
 28 
and blade  
The blade fan 
 30 
should not be removed. Examine all
pieces for damage and replace if necessary.
4. Install sharpened or new blade 
the blade fan 
as shown in Fig. P.
 30 
12
 24 
(about 2 feet long)
 25 
as shown
 26 
 27 
, square plastic
 29 
as shown in Fig. P.
 29 
on shoulder 
 31 
of
nOTE: When replacing sharpened or new blade on
shoulder 
 31
of blade fan 
 30 
on the blade will be facing the ground when the mower is
returned to its normal upright position.
5. Install the plastic blade insulator 
that the raised lips on one side engage the edges of
the blade.
6. Install the blade spacer 
 27 
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 necessary.
7. Position piece of wood 
 24 
as shown in Fig. Q. Install flange nut 
against the blade spacer 
a wrench.
Fig. O
24
25
Fig. P
31
28
27
, make sure the "GRASS SIDE"
on the blade such
 28 
so that it sits inside the
to keep blade from turning
 25 
with the flange
 27 
and securely tighten with
26
30
29
25

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