Know Your Product; Safety Devices - Ryobi OCS1830 Manual De Instrucciones

RISK REDUCTION
It has been reported that vibrations from hand-held tools
may contribute to a condition called Raynaud's Syndrome
in certain individuals. Symptoms may include tingling,
numbness and blanching of the fi ngers, usually apparent
upon exposure to cold. Hereditary factors, exposure to
cold and dampness, diet, smoking and work practices
are all thought to contribute to the development of these
symptoms. There are measures that can be taken by the
operator to possibly reduce the effects of vibration:
■
Keep your body warm in cold weather. When operating
the unit wear gloves to keep the hands and wrists
warm. It is reported that cold weather is a major factor
contributing to Raynaud's Syndrome.
■
After each period of operation, exercise to increase
blood circulation.
■
Take frequent work breaks. Limit the amount of
exposure per day.
■
Protective gloves available from professional chainsaw
retailers are designed specifically for chainsaw use
which give protection, good grip and also reduce the
effect of handle vibration. These gloves should comply
with EN381-7 and must be CE marked.
If you experience any of the symptoms of this condition,
immediately discontinue use and see your physician.
WARNING
Injuries may be caused, or aggravated, by prolonged
use of a tool. When using any tool for prolonged periods,
ensure you take regular breaks.

KNOW YOUR PRODUCT

See page 261.
1. Front hand guard/Chain brake
2. Front handle
3. Rear handle
4. Chain
5. Guide bar
6. Spiked bumper
7. Chain lubricant cap
8. Trigger release
9. Switch trigger
10. Sprocket cover
11. Chain tensioner adjustment ring
12. Chain tensioner knob
13. Guide bar cover
14. Chain catcher

SAFETY DEVICES

Low kickback saw chain
A low-kick-back saw chain helps to reduce the possibility
of a kickback event.
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. Only use replacement
guide bar and chain combinations recommended by the
manufacturer.
6 | English
As saw chains are sharpened, they lose some of the low
kickback qualities and extra caution is required. For your
safety, replace saw chains when cutting performance
decreases.
Spiked bumper
The integral bumper spike may be used as a pivot when
making a cut. It helps to keep the body of the chainsaw
steady while cutting. When cutting, push the machine
forward until the spikes dig into the edge of the wood, then
by moving the rear handle up or down in the direction of the
cutting line it can help ease the physical strain of cutting
Guide bars
Generally, guide bars with small radius tips have somewhat
lower potential for kickback. You should use a guide bar
and matching chain which is just long enough for the job.
Longer bars increase the risk of loss of control during
sawing. Regularly check the chain tension. When cutting
smaller branches (less than the full length of the guide bar)
the chain is more likely to be thrown off if the tension is
not correct.
Chain brake
Chain brakes are designed to quickly stop the chain
rotating. When the chain brake lever/hand guard is pushed
towards the bar, the chain should stop immediately. A chain
brake does not prevent kickback. It only lowers the risk of
injury should the chain bar contact the operator's body
during a kickback event. The chain brake should be tested
before each use for correct operation in both the run and
brake positions.
Chain catcher
A chain catcher prevents the saw chain from being thrown
back towards the operator if the saw chain comes loose
or breaks.
ASSEMBLY
WARNING
If any parts are damaged or missing do not operate this
product until the parts are replaced. Failure to heed this
warning could result in serious personal injury.
ASSEMBLING SAW CHAIN AND GUIDE BAR
See page 262 - 263.
1. Make sure to remove the battery pack from the product.
Wear protective gloves.
2. Unscrew the chain tensioner knob and remove the
sprocket cover.
3. The saw chain should face in the direction of chain
rotation. If they face backwards, turn the loop over.
4. Place the chain drive links into the bar groove.
5. Position the chain so there is a loop at the back of the
bar.
6. Hold the chain in position on the bar and place the loop
around the drive sprocket. Lower the bar so that the
bolt goes through the hole in the attached chain tension
assembly. You may need to rotate this assembly so the