Rato RBMF40 User manual

LITHIUM-ION CORDLESS CHAIN SAW
RBMF40
Owner’s Manual
Read all safety rules and instructions carefully before operating this tool

Original instructions
Contents
Contents .................................................................................................................................................................................2
Symbols…………………………………………………………………………………………………………….…………….............................................3
General power tool safety warnings.....................................................................................................................................5
Important ................................................................................................................................................................................9
Personal protective equipment........................................................................................................................................... 10
Machine′s safety equipment ….............................................................................................................................................11
Know your chain saw..……………………………………………………………….……………………………………………………..…………….………..13
Assembly instructions …………………………………………………………………………………………………………………………………….......….15
Operating your chain saw ……………………………………………………………………………………………………………………………… ........…16
Maintenance …………………………………………………………………………….………………………………………………………………..….……..….25
Maintenance Schedule ……………………………………………………………………………………………………………………………….....……..…32
Troubleshooting…………………………………………………………………………………………………………………………………………………………33
Technical Data ……..…………………………..…………………………………………………………………………………………………………..……….…34
EC-declaration of conformity …………………………………………………………………………………………………………………………..……..…35
2-English

Original instructions
Symbols
Symbols on the machine
WARNING! Chain saws can be dangerous!
Careless or improper use can result in serious or fatal injury to the operator or others. Please read the
operator’s manual carefully and make sure you understand the instructions before using the machine.
Always wear:
•Approved hearing protection
•Protective goggles or a visor
•Approved head goggles or a visor
Both of the operator′s hands must be used to operate the chain saw.
Never operate a chain saw holding it with one hand only.
WARNING! Kickback may occur when the nose or tip of the guide bar touches an object, and
cause a lightning fast reverse reaction,
kicking the guide bar up and towards the operator. May cause serious personal injury.
Always wear approved protective gloves.
Wear sturdy, non-slip boots.
Chain brake, activated (right)
Chain brake, not activated (left)
Direct current
Do not expose to rain.
Symbols on the product or its packaging indicate that this product cannot be handled as
domestic waste. It must instead be submitted to an appropriate recycling station for the
recovery of electrical and electronic equipment. (Applies to Europe only)
3-English

Original instructions
Symbols
Symbols on the battery and/or on the battery charger:
This product must be deposited at an appropriate recycling facility.
LI-ion
Fail-safe transformer
Use and store battery charger only indoors.
Double insulation
4-English

Original instructions
General power tool safety warnings
WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and
instructions may result in electric shock, fire and/or serious injury.
IMPORTANT! Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated
(cordless) power tool.
Work area safety
•Keep work area clean and well lit. Cluttered or dark areas invite accidents.
•Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust.
Power tools create sparks which may ignite the dust or fumes.
•Keep children and bystanders away while operating a power tool. Distractions can cause you to lose
control. Electrical safety
•Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with
earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce the risk of electric shock.
•Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is
an increased risk of electric shock if your body is earthed or grounded.
•Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of
electric shock.
•Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away
from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.
•When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable
for outdoor use reduces the risk of electric shock.
•If operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter (GFCI)
protected supply. Use of an GFCI reduces the risk of electric shock.
Personal safety
•Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power
tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while
operating power tools may result in serious personal injury.
•Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-
skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.
•Prevent unintentional starting. Ensure the switch is in the OFF-position before connecting to power
source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the
switch or energizing power tools that have the switch on invites accidents.
•Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a
rotating part of the power tool may result in personal injury.
•Do not overreach. Keep proper footing and balance at all times.
This enables better control of the power tool in unexpected situations.
•Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves away from moving
parts. Loose clothes, jewelry or long hair can be caught in moving parts.
•If devices are provided for the connection of dust extraction and collection facilities, ensure that these are
connected and properly used. Use of dust collection can reduce dust-related hazards. Power tool use and care
•Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the
job better and safer at the rate for which it was designed.
•Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled
with the switch is dangerous and must be repaired.
•Disconnect the plug from the power source and/or the battery pack from the power tool before making
any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the
risk of 5-English

Original instructions
General power tool safety warnings
starting the power tool accidentally.
•Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool
or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.
•Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other
condition that may affect the power tool´s operation. If damaged, have the power tool repaired before use. Many
accidents are caused by poorly maintained power tools.
•Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to
bind and are easier to control.
•Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account
the working conditions and the work to be performed. Use of the power tool for operations different from those
intended could result in hazardous situations.
Battery tool use and care
•Recharge only with the charger specified by the manufacturer. A charger that is suitable for one type of
battery pack may create a risk of fire when used with another battery pack.
•Use power tools only with specifically designated battery packs.
Use of any other battery packs may create a risk of injury and fire.
•When battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails,
screws or other small metal objects, that can make a connection from one terminal to another. Shorting the
battery terminals together may cause burns or a fire.
•Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs,
flush with water. If liquid contacts eyes, additionally seek medical help. Liquid ejected from the battery may
cause irritations or burns.
Service
•Have your power tool serviced by a qualified repair person using only identical replacement parts. This will
ensure that the safety of the power tool is maintained.
Chain saw safety warnings
•Keep all parts of the body away from the saw chain when the chain saw is operating. Before you start the chain
saw, make sure the saw chain is not contacting anything. A moment of inattention while operating chain saws
may cause entanglement of you clothing or body with the saw chain.
•Always hold the chain saw with your right hand on the rear handle and your left hand on the front handle.
Holding the chain saw with a reversed hand configuration increases the risk of personal injury and should never
be done.
•Hold the power tool by insulated gripping surface only, because the saw chain may contact hidden wiring or its
own cord. Saw chain contacting a ”live” wire may make exposed metal parts of the power tool” live” and could give
the operator an electric shock.
•Wear safety glasses and hearing protection. Further protective equipment for head, hands, legs and feet is
recommended. Adequate protective clothing will reduce personal injury by flying debris or accidental contact with
the saw chain.
•Do not operate a chain saw in a tree. Operation of chain saw while up a tree may result in personal injury.
•Always keep proper footing and operate the chain saw only when standing on fixed, secure and level surface.
Slippery or unstable surfaces such as ladders may cause a loss of balance or control of the chain saw.
•When cutting a limb that is under tension be alert for spring back.
When the tension in the wood fibers is released the spring loaded limb may strike the operator and/or throw the
chain saw out of control.
•Use extreme caution when cutting brush and saplings. The slender material may catch the saw chain and
be whipped forward toward you or pull you off balance.
6-English

Original instructions
General power tool safety warnings
•Carry the chain saw by the handle with the chain saw switched off and away from your body. When transporting
or storing the chain saw always fit the guide bar cover. Proper handling of the chain saw will reduce the likelihood of
accidental contact with the moving saw chain.
•Follow instruction for lubricating, chain tensioning and changing accessories. Improperly tensioned or
lubricated saw chain may either brake or increase the chance of kickback.
•Keep handles dry, clean and free from oil and grease. Greasy, oily handles are slippery causing loss of control.
•Cut wood only. Do not use chain saw for purposes not intended. For example: do not use chain saw for cutting
plastic, masonry or non-wood building materials. Use of the chain saw for operations different than intended
could result in a hazardous situation.
•We strongly recommend that first time users practice sawing logs on a saw horse or cradle.
Causes and operator prevention of kickback
Kickback may occur when the nose or tip of the guide bar touches an object, or when the wood closes in and pinches
the saw chain in the cut. Tip contact in some cases may cause a sudden reverse reaction, kicking the guide bar up
and back towards the operator. Pinching the
saw chain along the top of the guide bar may push the guide bar rapidly back towards the operator. Either of these
reactions may cause you to lose control of the saw which could result in serious personal injury. Do not rely
exclusively upon the safety devises built into your saw. As a chain saw user, you should take several steps to keep
your cutting jobs free from accident or injury. Kickback is a result of tool misuse and/or incorrect operating
procedures or conditions and can be avoided by taking proper precautions as given below:
•Maintain a firm grip, with thumbs and fingers encircling the chain saw handles, with both hands on the saw and
position your body and arm to allow you to resist kickback forces. Kickback forces can be controlled by the operator,
if proper precautions are taken. Do not let go of the chain saw.
•Do not overreach and do not cut above shoulder height. This helps prevent unintended tip contact and
enables better control of the chain saw in unexpected situations.
•Only use replacement bars and chains specified by the manufacturer. Incorrect replacement bars and chains
may cause chain breakage and/or kickback.
•Follow the manufacturer’s sharpening and maintenance instructions for the saw chain. Decreasing the
depth gauge height can lead to increased kickback.
Before using a new chain saw
•Please read this manual carefully.
•Fully charge the battery before using it the first time. See instructions under the heading Charging the battery.
•Fill with chain oil. See instructions under the heading Filling with chain oil.
•Check that the cutting equipment is correctly fitted and adjusted. See instructions under the heading Assembly.
•Do not use the chain saw until sufficient chain oil has reached the chain. See instructions under the heading
Lubricating cutting equipment.
•Long-term exposure to noise can result in permanent hearing impairment. So always use approved
hearing protection.
WARNING!
Under no circumstances may the design of the machine be modified without the permission of the manufacturer.
Always use genuine accessories. Non-authorized modifications and/or accessories can result in serious personal
injury or the death of the operator or others. Your warranty may not cover damage or liability caused by the use of
non-authorized accessories or replacement parts.
WARNING!
A chain saw is a dangerous tool if used carelessly or incorrectly and can cause serious, even fatal injuries. It is very
7-English

Original instructions
General power tool safety warnings
important that you read and understand the contents of this operator’s manual.
WARNING!
Long term inhalation of chain oil mist and dust from sawdust can represent a health risk.
WARNING!
This machine produces an electromagnetic field during operation. This field may under some circumstances
interfere with active or passive medical implants. To reduce the risk of serious or fatal injury, we recommend
persons with medical implants consult their physician and the medical implant manufacturer before operating
this machine.
WARNING!
Never allow children to use or be in the vicinity of the machine. Since the machine is easy to start, children may be
able to start it if they are not kept under full surveillance. This can mean a risk of serious personal injury.
Therefore disconnect the battery when the machine is not under close supervision.
8-English

Original instructions
Important
IMPORTANT!
This chain saw for forest service is designed for forest work such as felling, limbing and cutting. You should only
use the saw with the bar and chain combinations we recommend in the chapter Technical data.
Never use the machine if you are fatigued, while under the influence of alcohol or drugs, medication or
anything that could affect your vision, alertness, coordination or judgment . Be more cautious before rest
periods and towards the end of your shift.
Wear personal protective equipment. See instructions under the heading ”Personal protective equipment”.
Do not modify this product or use it if it appears to have been modified by others.
Never use a machine, battery or battery charger that is faulty. Carry out the checks, maintenance and service
instructions described in this manual. Some maintenance and service measures must be carried out by trained
and qualified specialists. See instructions under the heading Maintenance.
Never use any accessories other than those recommended in this manual. See instructions under the
headings Cutting equipment and Technical data.
CAUTION! Always wear protective glasses or a face visor to reduce the risk of injury from thrown objects. A chain
saw is capable of throwing objects, such as wood chips, small pieces of wood, etc, at great force. This can result
in serious injury, especially to the eyes.
WARNING!
Faulty cutting equipment or the wrong combination of bar and saw chain increases the risk of kickback! Only
use the bar/saw chain combinations we recommend, and follow the filing instructions. See instructions under
the heading Technical data.
Always use common sense (see figure1)
It is not possible to cover every conceivable situation you can face when using a chain saw. Always exercise care and
use your common sense. Avoid all situations which you consider to be beyond your capability. If you still feel
uncertain about operating procedures after reading these instructions, you should consult an expert before
continuing. Do not hesitate to contact your dealer or us if you have any questions about the use of the chain saw.
We will willingly be of service and provide you with advice as well as help you to use your chain saw both efficiently
and safely. Attend a training course in chain saw usage if possible. Your dealer, forestry school or your library can
provide information about which training materials and courses are available.
Fig.1
Work is constantly in progress to improve the design and technology - improvements that increase your safety and
efficiency. Visit your dealer regularly to see whether you can benefit from new features that have been introduced.
9-English

Original instructions
Personal protective equipment
WARNING! Most chain saw accidents happen when the chain touches the operator. You must use
approved personal protective equipment whenever you use the machine. Personal protective
equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident
does happen. Ask your dealer for help in choosing the right equipment.
Fig.2
Always wear:(see figure2)
•Approved protective helmet
•Hearing protection
•Protective goggles or a visor
•Gloves with saw protection
•Trousers with saw protection
•Boots with saw protection, steel toe-cap and non-slip sole
•Always have a first aid kit nearby.
•Fire Extinguisher and Shovel
Generally clothes should be close-fitting without restricting your freedom of movement.
IMPORTANT! Sparks can come from the bar and chain or other sources. Always have fire extinguishing
tools available if you should need them. Help prevent forest fires.
10-English

Original instructions
Machine′s safety equipment
In this section the machine’s safety features and their function are explained. For inspection and maintenance see
instructions under the heading Checking, maintaining and servicing chain saw safety equipment. See instructions
under the heading, know your chain saw, to find where these parts are located on your machine. The life span of
the machine can be reduced and the risk of accidents can increase if machine maintenance is not carried out
correctly and if service and/or repairs are not carried out professionally. If you need further information please
contact your nearest servicing dealer.
WARNING!
Never use a machine with defective safety components. Safety equipment must be inspected and maintained.
See instructions under the heading Checking, maintaining and servicing chain saw safety equipment. If your
machine does not pass all the checks, take the saw to a servicing dealer for repair.
KICKBACK（see Fig.3-4）
WARNING!
Kickback may occur when the moving chain contacts an object at the upper portion of the tip of the guide bar or
when the wood closes in and pinches the saw chain in the cut. Contact at the upper portion of the tip of the guide
bar can cause the chain to dig into the object and stop the chain for an instant. The result is a lightning fast, reverse
reaction which kicks the guide bar up and back toward the operator. If the saw chain is pinched along the top of the
guide bar, the guide bar can be driven rapidly back toward the operator. Either of these reactions can cause loss of
saw control which can result in serious injury. Do not rely exclusively upon the safety devices built into the saw. As a
chain saw user, you should take several steps to keep your cutting jobs free from accident or injury.
•The following precautions should be followed to minimize kickback:
1.Always grip the saw firmly with both hands. Hold the saw firmly with both hands when the unit is running. Place
your right hand on the rear handle and your left hand on the front handle with your thumbs and fingers encircling the
chain saw handles. A firm grip together with a stiff left arm will help you maintain control of the saw if kickback
occurs.
2.Make sure that the area in which you are cutting is free from obstructions. Do not let the nose of the guide
bar contact a log, branch, fence, or any other obstruction that could be hit while you are operating the saw.
3.Always cut with the unit running. Fully squeeze the switch trigger and maintain cutting speed.
4.Use only the replacement guide bars and low kickback chains specified by the manufacturer for the saw.
•With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden
surprise contributes to accidents.
•Keep proper footing and balance at all times.
•Do not cut above shoulder height or overreach when cutting.
•Follow the sharpening and maintenance instructions for the saw chain
Rotational Kickback
Kickback Danger
Zone
Fig.3
Fig.4
11-English

Original instructions
Machine′s safety equipment
•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 Fig.5）
PULL PUSH
Fig.5
12-English

Original instructions
KNOW YOUR CHAIN SAW
Front handle
High/slow speed control
Chain Brake/Front hand guard
Battery
Low Kickback Saw Chain
Bumper
Spike
Rear
Handle
Guide Bar
Chain Oil Tank
Power Trigger
Guide Bar Cover
adjusting pin
Chain Catcher
Guide bar tensioner Knob
Drive sprocket cover
Fig.6
13-English

Original instructions
KNOW YOUR CHAIN SAW
Speed control (see figure7-8)
Two speed ranges can be preselected with the speed
FSAT SPEED (see figure7)
SLOW SPEED(see figure8)
The machine is equipped with a speed choice function . To change the speed range, turn the speed change switch
lever so that it points toward "2" for low speed or "1" for high speed
Fig.7
Fig.8
1
1
Fast speed
Slow speed
2
2
Note! Using the machine with slow speed only reduces the chain speed not the cutting power of the machine.
Chain brake and front hand guard(see figure6)
Your chain saw is equipped with a chain brake that is designed to stop the chain if you get a kickback. The chain
brake reduces the risk of accidents, but only you can prevent them.
Chain catcher
The chain catcher is designed to catch the chain if it snaps or jumps off. This should not happen if the chain
is properly tensioned and if the bar and chain are properly serviced and maintained.
14-English

Original instructions
ASSEMBLY INSTRUCTIONS
UNPACKING
This product has been shipped completely assembled.
•Carefully remove the product and any accessories from the box. Make sure that all items listed in the packing
list are included.
•Inspect the product carefully to make sure no breakage or damage occurred during shipping.
•Do not discard the packing material until you have carefully inspected and satisfactorily operated the product.
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.
WARNING
Do not attempt to modify this product or create accessories not recommended for use with this product. Any such
alteration or modification is misuse and could result in a hazardous conduction leading to possible serious
personal injury.
WARNING
Do not insert the battery until assembly is complete. Failure to comply could result in accidental starting and
possible serious personal injury.
15-English

Original instructions
OPERATING YOUR CHAIN SAW
ADDING BAR AND CHAIN LUBRICANT (See Figure 9)
Use Bar and Chain Lubricant. It is designed for chains and chain oilers, and is formulated to perform over a wide
temperature range with no dilution required.
NOTE: Chain saw comes from the factory with no bar and chain oil added. Level should also be checked after every
20 minutes of use and refilled as needed.
•Remove oil cap.
•Carefully pour the bar and chain oil into the tank.
•Wipe off excess oil.
•Check and fill the oil tank when quick view oil indicator is below the MIN .Line
•Repeat as needed.
NOTE: Do not use dirty, used or otherwise contaminated oils. Damage may occur to the bar or chain.
NOTE: There is form inserted inside the oil reservoir to fitter dirt and debris from the oil pump. DO NOT remove
the foam.
NOTE: It is normal for oil to seep from the saw when not in use. To prevent seepage, empty the oil tank after each
use then run for one minute. When storing the unit for a long period of time (three months or longer) be sure the
chain is lightly lubricated; this will prevent rust on the chain and bar sprocket.
I M P O R T A N T
To preserve natural resources, please recycle or dispose of oil properly. Consult your local waste authority
for information regarding available recycling and/disposal options.
Fig.9
16-English

Original instructions
OPERATING YOUR CHAIN SAW
BATTERY PACK (See Figure 10)
I M P O R T A N T
The battery pack is not charged when it is purchased. Before using the chain saw for the first time, place the
battery pack in the battery charger and charge it fully. Be sure to read all safety precautions, and follow the
instructions in the section entitled Charging Procedure. With regular use, the battery will require shorter charging
times. When storing the chain saw for a prolonged period of time, remove the battery. When the chain saw is going
to be used again, charge the battery pack for at least a full charging period. This product has no memory effect.
REMOVING THE BATTERY PACK
•Press the release button (1) on the battery pack down and hold.
•Grasp the handle (2) firmly, and pull the battery pack out of the handle.
Note: The battery pack fits into the handle snugly in order to prevent accidental dislodging. It may require a strong
pull to remove it.
INSTALLING THE BATTERY PACK
•Align the tongue of the battery pack with the cavity.
•Grasp the handle (2) firmly.
•Push the battery pack into the handle until the latch locks into place.
•Do not use force when inserting the battery pack. It should slide into position and “click”.
W A R N I N G
Follow these instructions in order to avoid injury and to reduce the risk of electric or fire:
•Replace the battery pack or the charger immediately if the battery case or charger cord is damaged.
•Verify that the switch is in the OFF position before inserting or removing the battery pack.
•Verify that the battery pack is removed and the switch is in the OFF position before inspecting, adjusting,
or performing maintenance on any part of the chain saw.
•Read, understand, and follow the instructions contained in the section entitled Charging Procedure.
I M P O R T A N T
This Lithium-ion battery pack is equipped with an internal circuit breaker which will automatically shut off the power
to the tool and then reset itself once cooled.
Follow these steps if an overload occurs while under heavy use:
1. Release the power switch and restart tool by depressing switch.
2. The battery may need to be removed for approximately 1 minute, allowed to cool and then reinstalled for use.
2
1
Fig.10
17-English

Original instructions
OPERATING YOUR CHAIN SAW
STARTING AND STOPPING THE CHAIN SAW (See Figure 11)
W A R N I N G
Keep body to the left of the chain line. Never straddle the saw or chain, or lean over past the chain line.
STARTING THE CHAIN SAW:
•Make sure chain tension is at desired setting. Refer to Adjusting the Chain Tension in the Maintenance of
this manual.
•Make sure the chain cover lock bolt is tight to the chain cover.
•Make sure no objects or obstructions are in immediate vicinity which could come in contact with the bar and chain.
•Fit the battery pack into the chain saw (see figure 10).
Note: If the Chain Saw makes a rapid beeping sound when attempting to start the saw, the chain brake is engaged.
To start follow instructions above from the beginning.
•Depress the lock-off button and pull the switch trigger.
•Press and hold the switch trigger, release the switch lock and continue to squeeze the switch trigger for continued
operation.
STOPPING THE CHAIN SAW:
NOTE: It is normal for the chain to coast to a stop once the trigger switch is released.
•Release the switch trigger to stop the chain saw.
•Upon release of the switch trigger, the switch lock will be automatically reset to the lock position.
OPERATING THE CHAIN BRAKE (See Figure 12)
Check the operating condition of the chain brake prior to each use.
•Engage the chain brake by rotating your left hand around the front handle, allowing the back of your hand to
push the chain brake lever/hand guard toward the bar while the chain is rotating rapidly. Be sure to maintain both
hands on the saw handles at all times.
•Reset the chain brake back into the RUN position by grasping the top of the chain brake lever/hand guard
and pulling toward the front handle.
W A R N I N G
If the chain brake do not stop the chain immediately, or if the chain brake will not stay in the run position
without assistance, take the saw to an authorized service center for repair prior to use.
Fig.12-1
Fig.11
Fig.12-2
PREPARING FOR CUTTING
PROPER GRIP ON HANDLES (See Figure 13)
See General Safety Rules for appropriate safety equipment.
18-English

Original instructions
OPERATING YOUR CHAIN SAW
•Wear non-slip gloves for maximum grip and protection.
•Hold the saw firmly with both hands. Always keep your left hand on the front handle and your right hand on the
rear handles so that your body is to the left of the chain line.
•Maintain a proper grip on the saw whenever the motor is running. The finger should encircle the handle and the
thumb is wrapped under the handlebar. This grip is least likely to be broken by a kickback or other sudden reaction
of the saw. Any grip in which the thumb and fingers are on the same side of the handle is dangerous because a slight
kick of the saw can cause loss of control.
W A R N I N G
Never use a left-handed (cross-handed) grip or any stance that would place your body or arm across the chain line.
Proper Hand Proper Grip
Grip Position
WARING DO
NOT operate the switch
trigger with your left
hand and hold the front
handle with your right
hand. Never allow any
part of your body to be
in the chain line
while operating a saw. Improper Grip Fig.13
PROPER CUTTING STANCE (See Figure 14)
•Balance your weight with both feet on solid ground.
•Keep left arm with elbow locked in a “straight arm” position to withstand any kickback force.
•Keep your body to the left of the chain line.
•Keep your thumb on underside of handlebar.
Chain line Straight arm
Thumb On
Underside of Handle
Bar
Fig.14
19-English

Original instructions
OPERATING YOUR CHAIN SAW
BASIC OPERATING/CUTTING PROCEDURES
Practice cutting a few small logs using the following technique to get the “feel” of using the saw before you begin
a major sawing operation.
•Take the proper stance in front of the wood with the saw idling.
•Press the switch lock and squeeze the switch trigger then release switch lock and let the chain accelerate to full
speed before entering the cut.
•Begin cutting with the saw against the log.
•Keep the unit running the entire time you are cutting, maintain a steady speed.
•Allow the chain to cut for you; exert only tight downward pressure. Forcing the cut could result in damage to the
bar, chain, or motor.
•Release the switch trigger as soon as the cut is completed, allowing the chain to stop. If you run the saw without a
cutting load, unnecessary wear can occur to the chain, bar, and unit.
•Do not put pressure on the saw at the end of the cut.
WORK AREA PRECAUTIONS (See Figure 15)
•Cut only wood or materials made from wood; no sheet metal, no plastics, no masonry, no non-wood building
materials.
•Never allow children to operate the saw. Allow no person to use this chain saw who has not read this
operator’s manual or received adequate instructions for the safe and proper use of this chain saw.
•Keep everyone –helpers, bystanders, children, and animals –a SAFE DISTANCE from the cutting area. During
felling operations, the safe distance should be a least twice the height of the largest trees in the felling area. During
bucking operations, keep a minimum distance of 15' (4.6 m) between workers.
•Always cut with both feet on solid ground to prevent being pulled off balance.
•Do not cut above chest height as a saw held higher is difficult to control against kickback forces.
•Do not fell trees near electrical wires or buildings. Leave this operation for professionals.
•Cut only when visibility and light are adequate for you to see clearly.
Fig.15
PROPER PROCEDURE FOR TREE FELLING (See Figure 16-19)
•Felling a tree —When bucking and felling operations are being performed by two or more persons, at the same
time, the felling operation should be separated from the bucking operation by a distance of at least twice the height
of the tree being felled. Trees should not be felled in a manner that would endanger any person, strike any utility
line or cause any property damage. If the tree does make contact with any utility line, the utility company should be
notified immediately.
20-English