Black and Decker NPP2018 Manual De Instrucciones página 8

625116-00 NPP2018 Pole 11/12/04
Preparing Your Pole Trimmer for Use
WARNING: Read and understand all instructions. Failure to
follow all instructions listed below may result in electric shock, fire
and/or serious personal injury.
Installing and Removing Saw Chain
WARNING: Sharp moving blade. To prevent accidental
operation, insure that battery is disconnected from the handle
before performing the following operations. Failure to do this
could result in serious personal injury.
CAUTION: Sharp moving blade. Always wear protective
gloves when installing or removing the chain. The chain is sharp
and can cut you when it is not running.
• Place the saw on a firm surface.
Rotate the two allen head screws
counterclockwise with the wrench
provided as shown in figure 2.
• Remove sprocket cover, bar clamp,
and allen head screws.
• To remove the chain, rotate the screw
in the front of the housing using the
flat screwdriver end of the wrench as
shown in figure 3. Turning the screw
counterclockwise allows the guide
bar to recede and reduces the
tension on the chain so that it may be
removed.
• Lift the worn chain out of the groove
in the guide bar.
• Flip guide bar over.
• To replace the chain, check to make
sure that the slot in the guide bar is
over the two location pins shown in
figure 3A and that the hole below the
slot is located over the adjustment
pin.
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• Place new chain in groove of guide bar and around sprocket. Make
• Rotate the screw in the front of the
• Replace sprocket cover, bar clamp, and allen head screws.
• Follow instructions for adjusting the chain tension.
Adjusting Chain Tension
• With the saw still on a firm surface
2
• To adjust saw chain tension, loosen
• Rotate the screw in the front of the
3
• Do not over-tension the chain as this will lead to excessive wear
• Once chain tension is correct, tighten allen head screws to clamp
• When the chain is new check the tension frequently (after
3A
LOCATING PINS
ADJUSTMENT PIN
8
sure saw teeth are facing correct direction by matching arrow on
chain with graphic on housing shown here.
housing clockwise to increase the chain tension as in Figure 3.
check the chain tension. The tension
is correct when the chain snaps back
after being pulled 1/8" (3mm) away
from the chain bar with light force
from the middle finger and thumb as
shown in figure 4. There should be
no "sag" between the guide bar and the
chain on the underside as shown in
figure 5.
allen head screws
housing using the flat screwdriver end
of the wrench as shown in figure 3.
and will reduce the life of the bar and chain. Overtensioning also
reduces the amount of cuts you will get per battery charge.
bar.
disconnecting battery) during the first 2 hours of use as a new chain
stretches slightly.
4
5