Maintenance - Ryobi RY42102 Operator's Manual

WARNING:
Before performing any maintenance, make sure
the tool is unplugged from the power supply.
Failure to comply could result in accidental
starting and possible serious personal injury.
WARNING:
Always wear eye protection with side shields
marked to comply with ANSI Z87.1, along with
hearing and head protection. Failure to do so
could result in objects being thrown into your
eyes and other possible serious injuries.
WARNING:
Never use water or any liquids to clean or
rinse off your product and do not expose
the product to rain or wet conditions. Store
indoors in a dry area. Corrosive liquids, water,
and chemicals can cause electrocution, electric
shock, and/or damage electronic components
which can result in a short circuit, increased risk
of fire, and serious personal injury. Remove any
buildup of dirt and debris by wiping the product
clean with a dry cloth occasionally.
WARNING:
When servicing, use only identical replacement
parts. Use of any other parts may create a
hazard or cause product damage.
NOTICE:
Periodically inspect the entire product for
damaged, missing, or loose parts such as
screws, nuts, bolts, caps, etc. Tighten securely
all fasteners and caps and do not operate this
product until all missing or damaged parts are
replaced. Please contact customer service or
an authorized service center for assistance.
GENERAL MAINTENANCE
Avoid using solvents when cleaning plastic parts.
Most plastics are susceptible to damage from
various types of commercial solvents and may be

MAINTENANCE

damaged by their use. Use clean cloths to remove
dirt, dust, lubricant, grease, etc.
WARNING:
Do not at any time let brake fluids, gasoline,
petroleum-based products, penetrating
lubricants, etc., come in contact with plastic
parts. Chemicals can damage, weaken or
destroy plastic which may result in serious
personal injury.
LUBRICATION
All of the bearings in this product are lubricated with
a sufficient amount of high grade lubricant for the
life of the unit under normal operating conditions.
Therefore, no further lubrication is required.
REPLACING THE BAR AND CHAIN
See Figures 24 - 32.
WARNING:
Never start the motor before installing the guide
bar, chain, chain cover, and chain cover lock
knob. Starting the motor without all parts and
the chain at proper tension may result in serious
personal injury.
WARNING:
To avoid serious personal injury, read and
understand all the safety instructions in this
section.
WARNING:
Never touch or adjust the chain while the
motor is running. The saw chain is very sharp;
always wear protective gloves when performing
maintenance to the chain to avoid possible
serious lacerations.
CAUTION:
Always wear gloves when handling the bar and
chain; these components are sharp and may
contain burrs.
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