Rona 2001580, Operating Manual, Page: 10 / 14

18
GB
19
GB
• When ripping, always use a rip fence or
straight edge guide. This improves the
accuracy of cut and reduces the chance
of the blade binding.
• Always use blades of the correct size and
shape (diamond vs. round) arbour holes.
Blades that do not match the mounting
hardware of the saw will run eccentrically
causing loss of control.
• Never use damaged or incorrect blade
washers or bolts. The blade washers and
bolt were specially designed for your saw,
for optimum performance and safety of
operation.
CAUSES AND OPERATOR
PREVENTION OF KICKBACK
Kickback is a sudden reaction to a pinched,
bound or misaligned saw blade, causing an
uncontrolled saw to lift up and out of the
workpiece toward the operator.
When the blade is pinched or bound tightly
by the kerf closing down, the blade stalls
and the motor reaction drives the unit rapidly
back toward the operator.
If the blade becomes twisted or misaligned
in the cut, the teeth at the back edge of the
blade can dig into the top surface of the
wood causing the blade to climb out of the
kerf and jump back toward operator.
Kickback is the result of tool misuse and/or
incorrect operating procedures or conditions
and can be avoided by taking proper
precautions as given below:
• Maintain a firm grip with both hands on
the saw and position your body and arm
to allow you to resist kickback forces.
Kickback forces can be controlled by the
operator, if proper precautions are taken.
• When blade is binding, or when
interrupting a cut for any reason, release
the trigger and hold the saw motionless
in the material until the blade comes to a
complete stop. Never attempt to remove
the saw from the work or pull the saw
backward while the blade is in motion or
kickback may occur. Investigate and take
corrective actions to eliminate the cause
of blade binding.
• When restarting a saw in the workpiece,
center the saw blade in the kerf and check
that the saw teeth are not engaged into
the material. If the saw blade is binding,
it may jump up or kick back from the
workpiece as the saw is restarted.
• Support large panels to minimize the risk
of blade pinching and kickback. Large
panels tend to sag under their own weight.
Supports must be placed under the panel
on both sides near the line of cut and near
the edge of the panel.
• Do not use dull or damaged blades.
Unsharpened or improperly set blades
produce a narrow kerf causing excessive
friction, blade binding and kickback.
• Blade depth and bevel adjusting locking
levers must be tight and secure before
making a cut. If the blade adjustment
shifts while cutting, it may cause binding
and kickback.
• Use extra caution when making a “Plunge
Cut” into existing walls or other blind
areas. The protruding blade may cut
objects that can cause kickback.
• Do not use blades made of high-alloy,
high-speed steel (HSS).
• Do not use the circular saw near fumes or
combustible liquids.
• Secure small pieces of wood firmly before
working. Never hold them in your hand.
• Never slow the blade down with your
hands or by applying pressure to the side
of the blade.
• Never apply force! Advance the circular
saw gently and steadily.
RECOMMENDED SIZES OF EXTENSION CORDS
Tool’s
Ampere
rating
Volts Total length of cord in feet
Cord size in A.W.G. (minimum)
25 ft
(7.6 m)
50 ft
(15.2 m) 100 ft
(30.5 m) 150 ft
(45.7 m)
3–6 120V~ 18 16 16 14
6–8 120V~ 18 16 14 12
8–10 120V~ 18 16 14 12
10–12 120V~ 16 16 14 12
12–16 120V~ 14 12 - -
Extension cords
• Replace damaged cords immediately.
Use of damaged cords can shock,
burn or electrocute.
• If an extension cord is necessary, a cord
with adequate size conductors should be
used to prevent excessive voltage drop,
loss of power or overheating. The table
shows the correct size to use, depending on
cord length and nameplate amperage rating
of tool. If in doubt, use the next heavier
gauge. Always use U.L. and CSA listed
extension cords.
ADDITIONAL SAFETY INSTRUCTIONS FOR
CIRCULAR SAWS
ADDITIONAL SAFETY INSTRUCTIONS FOR
CIRCULAR SAWS