Ryobi P5452BTL Operation Manual - Page 8

Understanding Your Chain Saw, Safety Devices, Low Kickback Saw Chain, Guide Bars

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PRUNING SAW SAFETY WARNINGS n Push and Pull - This reaction force is always opposite to the direction the chain is moving where wood contact is made. Thus, the operator must be ready to control the PULL when cutting on the bottom edge of the bar, and PUSH when cutting along the top edge. See Figure 3. UNDERSTANDING YOUR CHAIN SAW SAFETY DEVICES LOW KICKBACK SAW CHAIN The rakers (depth gauges) ahead of each cutter can minimize the force of a kickback reaction by preventing the cutters from digging in too deeply at the kickback zone. Only use replacement chain that is equivalent to original chain or has been certified as low kickback chain per ANSI B175.1. Low kickback saw chain is chain that has met the kickback performance requirements of ANSI B175.1 (American National Standard for Power Tools - Gasoline-Powered Chain Saws-Safety Requirements) when tested on the representative sample of chain saws below 3.8 c.i.d. specified in ANSI B175.1. As saw chains are sharpened during their useful life, they lose some of the low kickback qualities and extra caution should be used. GUIDE BARS Generally, guide bars with small radius tips have somewhat lower kickback potentials. When making a replacement, be sure to order one of the bars listed for the saw in this operator's manual.  Save these instructions. Refer to them frequently and use them to instruct others who may use this product. If you loan someone this product, loan them these instructions also. 8 - English

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8 - English
PRUNING SAW SAFETY WARNINGS
Push and Pull – This reaction force is always
opposite to the direction the chain is moving
where wood contact is made. Thus, the operator
must be ready to control the PULL when cutting
on the bottom edge of the bar, and PUSH when
cutting along the top edge.
See Figure 3.
UNDERSTANDING YOUR CHAIN SAW
SAFETY DEVICES
LOW KICKBACK SAW CHAIN
The rakers (depth gauges) ahead of each cutter
can minimize the force of a kickback reaction by
preventing the cutters from digging in too deeply
at the kickback zone. Only use replacement chain
that is equivalent to original chain or has been
certified as low kickback chain per ANSI B175.1.
Low kickback saw chain is chain that has met
the kickback performance requirements of ANSI
B175.1 (American National Standard for Power
Tools – Gasoline-Powered Chain Saws-Safety
Requirements) when tested on the representative
sample of chain saws below 3.8 c.i.d. specified in
ANSI B175.1.
As saw chains are sharpened during their useful
life, they lose some of the low kickback qualities
and extra caution should be used.
GUIDE BARS
Generally, guide bars with small radius tips have
somewhat lower kickback potentials.
When making a replacement, be sure to order
one of the bars listed for the saw in this operator’s
manual.
Save these instructions. Refer to them frequent-
ly and use them to instruct others who may use
this product. If you loan someone this product,
loan them these instructions also.