Cutting With The Saw - Shindaiwa 490 Manual Del Operador

Cutting with the Saw

as a face shield or goggles
when operating the unit to
(Chaps) made of a cut-resistant
material such as ballistic nylon
Keep a proper footing
(do not overreach)!
Felling Trees
Before Felling a Tree
WARNING!
When felling, keep at least
2 tree lengths away from
your fellow workers.
1. Determine the direction of fall by
inspecting:
n Tree shape and angle of lean.
n Size and shape/placement of limbs.
n Location of nearby trees or other
obstacles.
n Condition of tree (damage, disease,
etc.).
n Prevailing wind direction.
2. Clear a safe work area around the
tree. Be alert for loose or dead limbs
overhead. Clear an appropriate
escape path approximately 45° from
the direction of fall.
3. Notify nearby workers of your
intentions!
12
All manuals and user guides at all-guides.com
Stop the saw before moving it to or
Wear hearing protection
from the work area.
and eye protection such
shield against saw dust.
Always wear gloves when
operating this saw. Use full-throttle while
cutting and apply only enough
bar pressure to maintain engine
speeds of 9,000-10,000 min
Clear a safe work area
before cutting.
Always wear leg protection
covering the full length of the
thigh to the top of the boot.
Wear appropriate
non-skid footwear. Wear close-fitting clothing
to protect your legs and arms.
Do not wear clothing or jewelry
that could get caught in the
machinery or brush.
Escape
Path
WARNING!
Diseased, damaged, or
otherwise unbalanced
trees can fall unpredictably dur-
ing felling, and should be left to an
experienced timber faller!
Felling Small Trees
(Under 6" (15cm) diameter)
1. Determine the direction of fall. If un-
certain as to the direction of fall, use
the procedure "Felling Large Trees"
as outlined in the next section.
Always use full throttle while cutting!
Keep the chain sharp and let the saw
THINK SAFETY!
do the work! Forcing the saw into the
wood reduces cutting performance,
and can damage the saw through
overheating!
-1 .
Direction of Fall Direction
2. Engage the bumper spike against the
3. When the tree begins to fall, stop the
4. Use your retreat path to exit the area
IMPORTANT!
WARNING!
NEVER operate with
a loose saw chain!
NEVER operate the saw if any com-
ponent parts are damaged, loose,
or missing!
Of Fall
Bumper
Spike
trunk of the tree and start to cut on
the side of the tree away from the fall.
Make a single cut all the way through
the tree.
saw, and put it down on the ground.
quickly.
45°
Escape
Path
45°