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US-20
EXZ2450S-PH
8. Operation
(LRT-EX only)
This product is equipped with
extremely sharp blades, and when
used improperly these blades can be
extremely dangerous, and improper
handling can cause accidents which
may in turn lead to serious injury or
death. For this reason, you should
always be careful to follow the
following instructions when using your
trimmer.
• Never hold the trimmer in a way in
which the blades are pointed towards
someone else.
• Never allow the blades to come into
proximity with your body while the
engine of the trimmer is in operation.
• Always be sure to turn off the engine
before changing the angle of the
blades, removing branches which
have become stuck in the blades, or
at any other time when coming into
close proximity with the blades.
• Always wear work gloves made of
leather or some other sturdy material
when using the trimmer.
• Always place the blade cover
provided with the trimmer over the
blades when not in use.
• Falling branches may fall onto the
face or into the eyes, resulting in
injuries, scratches, and cuts, and
for this reason you should always
be sure to wear a helmet and face
protector when using your
trimmer.
The thickness of branches which may
be cut using this trimmer is limited to
up to approximately 3/16" (5mm).
Never try to cut branches thicker than
this, as doing so may result in damage
to the trimmer.
■ ADJUSTING THE ANGLE OF THE
CUTTING BLADES (OP1)
1. Stop the engine.
2. Turn the bolt located on the top of the
trimming mechanism counter-clockwise
to loosen it.
3. Adjust the angle of the blades to the
desired angle, and then fix the bolt
firmly back into place.
IMPORTANT
WARNING
(1) Clamp lever
(2) Trimming mechanism
(3) Tighten
(4) Loosen
LRT-EX OP1
PS-EX OP1
PS-EX OP2
(PS-EX only)
■ CHECKING OIL SUPPLY
After starting the engine, run the chain at
medium speed and see if chain oil is
scattered off as shown in the figure.
(OP1)
(1) Chain oil
The oil reservoir has a capacity sufficient
to provide about 40 minutes of cutting
time (when set to deliver the minimum
flow rate, or about as long as you'll get
from a tank of fuel). Be sure to refill the oil
tank every time when refueling the saw.
■ ADJUSTING OIL FLOW RATE
Never fill the oil reservoir nor adjust
the oiler with the engine running.
An increase in bar oil flow rate will speed
oil consumption, requiring more frequent
checks on the oil reservoir. To ensure
sufficient lubrication, It may be necessary
to check the oil level more frequently than
at fuel tank refills.
The guide bar and chain are lubricated
automatically by a pump that operates
whenever the chain rotates. The pump is
set at the factory to deliver a minimum
flow rate, but it can be adjusted in the
field. A temporary increase in oil flow is
often desirable when cutting things like
hardwood or wood with a lot of pitch.
Adjust the pump as follows:
1. Stop the engine and make sure the
stop switch is in the OFF position.
2. Place the unit on its side with the oil
reservoir up. (OP2)
(1) Oil tank
(2) Chain cover
IMPORTANT
WARNING
NOTE