DeWalt DCMWSP255 - Maintenance; Removing and Installing Blade; Blade Sharpening

15
ENGLISH
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
battery packs before making any adjustments or
removing/installing attachments or accessories.
An accidental start‑up can causeinjury.
Replacement blades are available from your
nearest authorized servicecenter. This mower requires
replacementblade.
1. Cut a piece of 2" x 4" wood
29
(about 2feet long)
(610mm) to keep blade from turning when removing
the blade bolt 
30
.

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 the blade bolt
counterclockwise with a 5/8" (16 mm) wrench
31
(not
included) as shownin Fig.O.
3. Remove blade bolt spring plate 
32
and blade 
33
as shown in Fig. P. Examine all pieces for damage and
replace ifnecessary.
4. Install sharpened or new bladeon shoulder of the blade
adapter
34
as shown in Fig.P. Blade has a winged cut
out which must match and engage the same shaped
projection on the bladeadapter.
NOTE: When replacing sharpened or new blade on
shoulderof blade adapter make sure the bottom of the blade
as marked BOTTOM will be facing the ground when the
mower is returned to its normal uprightposition.
5. Install the spring plate on the blade. Be sure to align the
bosses on the spring plate with the detents in the blade,
rotating the blade and spring plate together asnecessary.
6. Position piece of wood to keep blade from turning as
shown in Fig. Q. Install blade bolt and securely tighten
the blade with a 5/8" (16 mm)wrench.
MAINTENANCE

DANGER: To reduce the risk of serious personal
injury, turn unit off and remove the safety key and
battery packs before making any adjustments or
removing/installing attachments or accessories.
An accidental start‑up can causeinjury.
2. Rotate the handle towards the front of themower. Take
care to not pinch or stress thecord.
3. Twist the handle lock knobs a quarter turn to lock the
handle into storage position.
4. The mower can be stored standing up, with the
collection bag removed, or flat on itswheels.
Storage (Fig.A)

DANGER: Rotating blade can cause serious
injury. Release bail handle to turn mower off, remove
safety key, and remove battery packs before lifting,
transporting, or storing the mower. Store in a dryplace.

CAUTION: Pinch point. To avoid being pinched, keep
fingers away from area around handle brackets when
folding downhandles.
The handle of the mower can be easily folded down for quick
and convenientstorage.
1. On the lower handle, twist the handle lock knobs
7
a
quarterturn.
changing direction on slopes. Do not mow excessively
steep slopes. Always maintain goodfooting.
• Release bail handle
5
to turn mower “OFF” when
crossing any gravel area (stones can be thrown by
theblade).
• Set mower at highest cutting height when mowing in
rough ground or in tall weeds. Removing too much grass
at one time can cause the motor to be overloaded and
tostop.
• If a grass collection bag
13
is used during the fast
growing season, the grass may tend to clog up at the
discharge opening. Release bail handle to turn mower
off, remove the safety key
3
and battery packs
24
.
Remove the catcher and shake the grass down to the
back end of the bag. Also clean out any grass or debris
which may be packed around the discharge opening.
Replace the grasscatcher.
• If mower should start to vibrate abnormally, release bail
handle to turn mower off, remove the safety key and
battery packs. Check immediately for cause. Vibration is a
warning of trouble. Do not operate mower until a service
check has beenmade.
• For best cutting results, keep blade sharpened
andbalanced.
• Inspect and thoroughly clean mower after each use as a
deck with caked grass will degradeperformance.
• 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 runtime 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 battery packs be
recharged after use to prolong the battery pack life. Frequent
charging will not harm your battery pack, and will ensure that
the battery pack is fully charged and ready for its next use.
Storing battery pack not fully charged will shorten itslife.