Ryobi RCS3835T, Original Instructions Manual

Page: 10 / 207

8 | English
dull chain is replaced with a new one, available at your
authorised service centre. The part number is available
in the product specification table in this manual.
■ Follow instructions for lubricating and chain tension
checking and adjustment.
■ After each use, clean the product with a soft dry cloth.
■ Check all nuts, bolts, and screws at frequent intervals
for security to ensure the product is in safe working
condition. Any part that is damaged should be properly
repaired or replaced by an authorised service centre.
REPLACING GUIDE BAR AND SAW CHAIN
See page 352 - 355.
1. Stop the product. Wear protective gloves.
2. Disengage the chain brake.
3. Unscrew the guide bar locking knob and remove the
sprocket cover.
4. Remove the bar and saw chain from the product.
5. Clean the underside of the sprocket.
6. To replace the bar with a new one, loosen the screw of
the chain tension assembly. Mount the chain tension
assembly on to the new bar and tighten the screw.
7. Attach the guide bar and chain tension assembly to the
chain saw. Lower the guide bar so that the bolt goes
through the hole in the bar and chain tension assembly.
8. The saw chain should face in the direction of chain
rotation. If they face backwards, turn the loop over.
9. Place the loop around the drive sprocket. Then place
the chain drive links into the bar groove. If needed,
rotate the chain tension assembly to apply some
tension to the chain which will help keep it in place.
10. Replace the sprocket cover.
11. Adjust the chain tension. Refer to the “Adjusting the
chain tension” section.
CLEANING THE AIR FILTER
See page 360.
1. Stop the product. Make sure the chain brake is in the
brake position.
2. Unscrew the locking knob on the air filter cover and
remove it from the product.
3. Remove the air filter.
4. Remove the dust and dirt on the air filter with a brush.
If necessary, split the air filter with a flat blade screw
driver and clean the inside.
5. Replace the air filter cover and tighten the locking knob.
INSPECTING AND CLEANING THE CHAIN BRAKE
See page 363.
■ Always keep the chain brake mechanism clean by
lightly brushing the linkage free from dirt.
■ Always test the chain brake performance after cleaning.
■ Refer to “Operation - Checking and Operating Chain
Brake” earlier in this manual for additional information.
ENGINE SPEED AND CARBURETTOR ADJUSTMENT
WARNING
Incorrect carburettor adjustment may increase the
risk of injuries, fatal accidents, or product damage.
For carburettor adjustment, bring the product to an
authorised service centre.
MAINTENANCE SCHEDULE
Daily check
Fuel mixture Before each use
Bar lubrication Before each use
Chain tension Before each use and
frequently
Clutch engagement
(no chain movement at idling
speed) Before each use
Chain sharpness Before each use, visual
check
For damaged parts Before each use
For loose fasteners Before each use
For loose parts Before each use
Chain brake function Before each use
For fuel leaks Before each use
INSPECT AND CLEAN:
Bar Before each use
Complete saw After each use
Air filter Every 5 hours*
Chain brake Every 5 hours*
Replace spark plug Yearly
Replace fuel filter Yearly
* Hours of Operation
RESIDUAL RISKS
Even when the product is used as prescribed, it is still
impossible to completely eliminate certain residual risk
factors. The following hazards may arise during use, and
the operator should pay special attention to avoid the
following:
■ Injury caused by vibration
– Always use the right tool for the job. Use designated
handles. Restrict working time and exposure.
■ Exposure to noise can cause hearing injury.
– Wear hearing protection and limit exposure.
■ Contact with exposed saw teeth of the chain (cutting
hazards).
■ Unforeseen, abrupt movement or kickback of the guide
bar (cutting hazards).