General Suggestions For Cutting - Ryobi ECS 1940 Manual De Instrucciones

N
F . 1 - 2
IG
n
Ensure that the electric power lead (9) is
not damaged.
n
Ensure that the motor and air slots (8) are
free and unobstructed.
n
Check that the lubrication system is
adequate.
n
Clean the chain brake and ensure that it
works properly.
n
Turn the bar over everyday.
n
Check the bar wear.
n
Ensure that the oil flow hole is unob-
structed.
n
Clean the chain guide on the bar.
n
Check the chain tension, sharpen the
blades and check their conditions eventu-
ally removing irregularities.
n
Check the guide bar sprocket conditions.
n
Ensure that the oil reservoir and the oil
filter are clean.
This chainsaw meets all current legislation
requirements; in order to avoid injuries while
repairing, every repairing has to be done by
qualified staff in an authorized service cen-
tre.
C S
HAIN HARPENING
N
F . 2 - 6
IG
n
Disconnect the cord from the mains sup-
ply.
n
Wear protective gloves.
n
Ensure the chain is correctly tensioned
and not too loose.
n
Engage the chain brake (10) to block the
chain on the bar when sharpening.
n
Use a round file for chain sharpening, di-
ameter equivalent to 1.1 times the cutting
tooth depth.
n
File at a horizontal angle, 35° to the bar.
n
File from inside towards outside of the
tooth only.
n
Sharpen each tooth equally by using the
same number of strokes.
n
File at an angle of 90° to the bar.
n
Check the safety depth gauge height
every 5 chain sharpenings. Use depth
gauge measuring instrument to check the
height of the depth gauge.
12. G
ENERAL SUGGESTIONS FOR CUTTING
We suggest to cut utilizing the bottom of the
bar, this way of operating diminishes the
probability of injuring. Be careful when cut-
ting with the top of the bar.
C
UTTING LOGS
Cutting a log resting on the two ex-
tremities
Felling
direction
Danger
zone
Escape
route
Danger
N
F . 7
IG
n
First cut 1/3 of a diameter from the top.
Next cut from below using the top of the
bar. This will avoid pinching of the bar in
wood. Avoid touching the ground with the
bar.
Cutting from a saw horse
N
F . 8
IG
n
First cut 1/3 of a diameter from below.
Next cut from the top using the bottom of
the bar.
F
ELLING A TREE
n
Before felling a tree, consider carefully all
conditions including the intended direction
of the fall, the natural lean of the tree,
surrounding trees and obstacles, the
wind direction and speed.
Directional cut
N
F . 9
IG
n
Cut a wedge (1/3-1/2 of tree diameter)
out of the trunk on the side which you
want the tree to fall.
Felling cut
N
F . 10
IG
n
Cut into the trunk from the other side 1"-
2"/3-6 cm above the wedge.
n
Use a felling wedge to help control felling
and prevent binding the guide bar and
saw chain in the cut.
n
Safety distance is 2.5 times the height of
the tree to fell. Be sure that nobody is in
the danger zone before and during the
felling.
C
UTTING PREPARED TIMBER
n
When cutting prepared, use clamps or
shocks to secure wood.
Danger
zone
Escape
route
zone
9