Maintenance - Ryobi RY405011 Operator's Manual

 When pruning trees it is important not to make the finishing
cut next to the main limb or trunk until you have cut off
the limb further out to reduce the weight. This prevents
stripping the bark from the main member.
 Underbuck the branch 1/3 through for your first cut.
 Your second cut should overbuck to drop the branch off.
 Now make your finishing cut smoothly and neatly against
the main member so the bark will grow back to seal the
wound.
WARNING:
If the limbs to be pruned are above chest height, hire a
professional to perform the pruning. Failure to do so could
result in death or serious personal injury.
WARNING:
To avoid serious personal injury, always remove the
battery pack from the product when cleaning or perform-
ing any maintenance.
WARNING:
Always wear eye protection with side shields marked
to comply with ANSI Z87.1 as well as head and hearing
protection when operating this equipment. Failure to do
so could result in objects being thrown into your eyes
and other possible serious injuries.
WARNING:
When servicing, use only identical replacement parts.
Use of any other parts can create a hazard or cause
product damage.
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 enter the product's electronic
components and/or battery compartment and damage
electronic components and/or the battery pack, which
can result in a short circuit, increased risk of fire, and seri-
ous personal injury. Remove any buildup of dirt and debris
by wiping the product clean with a dry cloth occasionally.
OPERATION
SPRINGPOLES
See Figure 26.
A springpole is any log, branch, rooted stump, or sapling
which is bent under tension by other wood so that it springs
back if the wood holding it is cut or removed. On a fallen
tree, a rooted stump has a high potential of springing back
to the upright position during the bucking cut to separate
the log from the stump. Watch out for springpoles, they are
dangerous.
WARNING:
Springpoles are dangerous and could strike the opera-
tor, causing the operator to lose control of the chainsaw.
This could result in severe or fatal injury to the operator.

MAINTENANCE

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 damaged by their use. Use
clean cloths to remove dirt, dust, oil, grease, etc.
WARNING:
Do not at any time let brake fluids, gasoline, petroleum-
based products, penetrating oils, etc., come in contact
with plastic parts. Chemicals can damage, weaken or
destroy plastic which could result in serious personal
injury.
REPLACING BAR AND CHAIN
See Figures 27 - 32.
WARNING:
Remove the battery pack from the chainsaw and make
sure the chain has stopped before you do any work on
the saw. Failure to do so may result in accidental starting
and possible serious injury.
15 - English