Shindaiwa 502s User Manual
13
Cutting with the Saw
Clear a safe work area
before cutting.
Wear hearing protection and eye protection
such as a face shield or goggles when
operating the unit to 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
-1
.
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.
Keep a proper footing (do
not overreach)!
Wear appropriate
non-skid footwear.
IMPORTANT!
Always use full throttle while cutting!
Keep the chain sharp and let the saw do
the work! Forcing the saw into the wood
reduces cutting performance, and can
damage the saw through overheating!
Always wear leg protection (Chaps)
made of a cut-resistant material such
as ballistic nylon covering the full length
of the thigh to the top of the boot.
Stop the saw before
moving it to or from the
work area.
THINK
SAFETY!
WARNING!
NEVER operate with a
NEVER operate with a
loose saw chain! NEVER operate
the saw if any component parts are
damaged, loose, or missing!
the saw if any component parts are
damaged, loose, or missing!
CS_Felling Large Trees
Escape Path
Felling Trees
Escape
Path
Direction of Fall
Before Felling a Tree
Determine the direction of fall by
1.
inspecting:
Tree shape and angle of lean.
a.
Size and shape/placement of limbs.
b.
Location of nearby trees or other
c.
obstacles.
Condition of tree (damage, disease, etc.).
Condition of tree (damage, disease, etc.).
d.
Prevailing wind direction.
e.
WARNING!
Diseased, damaged, or other-
Diseased, damaged, or other-
wise unbalanced trees can fall unpre-
dictably during felling, and should be
left to an experienced timber faller!
dictably during felling, and should be
left to an experienced timber faller!
Bumper
Spike
Escape
Path
Direction
Of Fall
45°
45°
WARNING!
When felling, keep at least 2 tree
When felling, keep at least 2 tree
lengths away from your fellow workers.
Clear a safe work area around the tree.
2.
Be alert for loose or dead limbs overhead.
Clear an appropriate escape path approxi-
mately 45° from the direction of fall.
(Under 6” (15cm) diameter)
Determine the direction of fall. If
1.
uncertain as to the direction of fall, use
the procedure “Felling Large Trees” as
outlined in the next section.
Engage the bumper spike against the
Engage the bumper spike against the
2.
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.
When the tree begins to fall, stop the
3.
saw, and put it down on the ground.
Use your retreat path to exit the area
Use your retreat path to exit the area
4.
quickly.
Felling Small Trees
Notify nearby workers of your
3.
intentions!