How it Works
Mitox
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CS50
Operator's Manual
48 pgs1.71 Mb0

Mitox CS45, CS50, CS56, Pro CS45, Pro CS50 Operator's Manual

...
Operator’s Manual
user manual, maintenance instructions and spare parts
CS45 / CS50 / CS56 Chainsaw
www.mitoxgm.co.uk
Read this manual carefully before operating the machine
Original Instructions Version April 12
2
Original Instructions Version April 12
Component Location
1. Saw chain
2. Guide bar
3. Front hand guard
4. Starter handle
5. Air lter cover
6. Lock nut
7. Choke knob
8. Throttle trigger lock lever
9. Rear handle
10. Throttle trigger
11. Engine switch
12. Fuel tank
13. Oil tank
14. Front handle
15. Guide bar scabbard
PRODUCT DESCRIPTION
This Chain Saw is a 2 stroke fast running power tool and is designed to be used in a domestic application for cutting wood only. Do not cut metal, plastic or any non-wood materials.
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Original Instructions Version April 12
Safety Precautions
In order to ensure proper and safe operation of your chain saw:-
• Read this Owner/Operator Manual carefully. Be sure you understand how to operate this unit properly
before you use it. Failure to do so could result in serious injury.
• Keep this manual handy so that you may refer to it later whenever any questions arise. Also note that you
are able to contact the dealer from whom you purchased the product for assistance, in the event that you
have any questions which cannot be answered in the manual.
• Always include this manual when selling, lending, or otherwise transferring the ownership of this product.
• This product is a 2 stroke fast running power tool and has been designed to be used as a chain saw for
cutting wood and it should never be used for any other purpose, doing so could result in unforeseen
accidents and injuries occurring.
• This product is equipped with extremely sharp blades, and when used incorrectly these blades can be
dangerous.
For this reason, you should never use this chain saw when under the inuence of alcohol, suering
from exhaustion or lack of sleep, suering from drowsiness as a result of having taken medicine,
or at any other time when a possibility exists that your judgment might be impaired or that you
might not be able to operate the chain saw properly and in a safe manner. Never allow children or
anyone unable to fully understand the directions given in this manual to use this chain saw.
• Avoid running the engine indoors. The exhaust gases contain harmful carbon monoxide.
• Never use the chain saw in conditions as described below:
1. When the ground is slippery or when other conditions exist which might make it dicult to maintain a
steady posture while using the chain saw.
2. At night, at times of heavy fog, or at any other times when your eld of vision is limited and it would be
dicult to gain a clear view of the area where the chain saw is to be used.
3. In heavy rain, during lightning storms, at times of strong or gale-force winds, or at any other times when
weather conditions might make it unsafe to use this product.
• When using this chain saw for the rst time, before beginning actual work, take the chain saw to a wide,
clear, open space, start the engine, and practice handling the chain saw until you are sure that you will be
able to handle it properly in actual operation.
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Original Instructions Version April 12
• Lack of sleep, tiredness, or physical exhaustion results in lower attention spans, and this in turn can lead to
accidents and injury. When planning your work schedule, allow plenty of time to perform the work and allow
plenty of time for rest. Limit the amount of time you continuously use the chain saw to 30~40 minutes per
session, and take 10~20 minutes of rest between work sessions. Also try to keep the total amount of work
performed in a single day to 2 hours.
Do not operate the chain saw in a tree unless specially trained to do so
Work gear and clothing
• When using your chain saw, always wear strong, durable, work clothing; shirts should be long-sleeved and
trousers should be full-length.
Always
• Wear a helmet and face protector.
• Wear ear protectors.
• Wear gloves with saw protection.
• Wear trousers with saw protection.
• Wear boots with saw protection, steel toe caps with non slip sole.
Warnings regarding handling of fuel
• The engine of the chain saw is designed to run on a fuel oil mixture. This fuel is highly ammable, and you
should never store cans of fuel or rell the tank of the chain saw in any place where there is a source of heat
or re which might ignite the fuel.
• Do not smoke whilst operating the chain saw or relling, keep lit cigarettes away from the chain saw at all
times.
• When relling the tank always turn o the engine rst and carefully make sure that there are no sparks or
open ames anywhere nearby before refuelling.
• If any fuel spillage occurs during refuelling, use a dry rag to wipe any fuel which has been spilled onto the
chain saw before starting the engine.
• After refuelling, screw the fuel cap back tightly onto the fuel tank and then carry the chain saw to a spot 3
metres or more away from where it was refuelled before starting the engine.
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Original Instructions Version April 12
Before using your chain saw
• Before beginning work, carefully check around the area and remove any obstacles and clear a retreat path
from falling trees.
• The area within a perimeter of 15 metres of the person using the chain saw should be considered a
hazardous area into which no one should enter while the chain saw is being used, and when necessary mark
with a warning rope, warning signs, or other forms of warning. When work is to be performed simultaneously
by two or more operators, care should also be taken to constantly look around to check the presence and
locations of other operators within the work area so as to maintain a safe distance between each person.
• Before beginning work, each component of the chain saw should be checked to make sure that it is in
proper working order and to make sure that there are no loose screws or bolts, fuel leaks, ruptures, dents, or
any other problems which might interfere with safe operation. Be especially careful to check that there is no
damage to the blades or chain brake.
• Never use the chain saw when the blades/chain are excessively worn or when any sort of damage has
occurred to the cutting mechanism.
Keep all parts of your body away from the saw chain when the engine is running.
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Original Instructions Version April 12
Avoid Noise Problems
Check and follow the local regulations for sound level and hours of operation for garden machinery.
• In general, operate chain saws between 8 am, and 5 pm on week days and 9 am to 5 pm weekends. Avoid
using the chain saw late at night and/or early in the morning.
Safety when using your chain saw
• When using your chain saw, grip the handles rmly with both hands, place your feet slightly apart so your
weight is distributed evenly across both legs, and always be sure to maintain a steady, even posture while
working. Do not use on ladders or if the ground surface is slippery or uneven. Never attempt to cut directly
overhead or with one hand.
• Maintain full engine speed when cutting.
• Never allow other persons to come within the work area as doing so might expose them to danger.
• If a branch or other object gets caught in the blades during operation, always turn o the engine before
removing the object.
• To protect yourself against injury from falling branches, wear the required safety equipment.
• Keep operation area clear of all persons, particularly small children and pets. Injury may result from ying
debris.
• Never touch the spark plug or plug HT cable while the engine is in operation, doing so may result in an
electrical shock.
• Never touch the muer, spark plug, or other parts of the engine while the engine is in operation or
immediately after shutting down the engine. These parts reach high temperatures during operation and
doing so could result in serious burns.
• When you nish cutting in one location and wish to continue work in another area, turn o the engine,
place the protective cover over the blades, and turn the chain saw so that the blades face away from your
body before carrying it to the new location.
• Always remove fuel from the fuel tank before transportation to prevent fuel spillage.
• When not in use never leave the chain saw exposed to direct sunlight as this can heat the fuel tank and may
cause a discharge of fuel, and ood the engine.
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Original Instructions Version April 12
Kickback and Safety Precautions
Beware of kickback!
Kickback can occur whenever the tip of the guide bar touches an object
while the saw is operating. Kickback may force the bar up and back towards
the operator with speed!
Beware of pinching!
Pinching the saw along the tip of the guide bar may force the bar back rapidly
toward the operator. Pinching can occur whenever wood closes in around the
moving chain.
Both kickback and pinching may cause you to lose control of the chain saw, which could result in serious
personal injury.
1. Understand kickback and pinching!
2. Keep a rm grip on the chain saw with both hands whenever the engine is running.
A rm grip will help you reduce the aects of kickback and pinching as well as maintain control of
the machine.
3. Cut at high engine speeds.
4. Follow the manufacturer’s instructions for sharpening and maintaining the chain.
5. Use only genuine spare parts.
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Original Instructions Version April 12
Safety Symbols
Taking care of warning labels
Always keep warning labels clean and free of scratches, which might make them illegible or dicult to read.
If the warning labels provided with your chain saw become damaged, peel o, or otherwise become illegible
or dicult to read, order new labels from the authorised servicing dealer and replace the damaged labels.
When applying new labels, rst wipe away any dirt and dry the surface before applying the new label in the
same place as the original label.
Warning, Danger, Caution
Read the documentation and safety instructions which are provided in this user manual.
When operating this machine, use protective
equipment such as goggles,
helmet and ear defenders, and safety clothing.
Use the chain saw with two hands.
Beware: keep hands and feet
away from moving parts. Always keep a safe distance from the cutting parts.
Beware of objects being
thrown from the operating zone.
Warning! Danger of kickback
Directive 2000-14/CE.
Guaranteed noise levels.
Danger: risk of intoxication.
Danger: risk of re or explosion.
Hot surface, risk of burn.
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Original Instructions Version April 12
Explanation of Symbols on the Machine
STOP
For safe operation and maintenance, symbols are carved in relief on the machine.
Fuel tank 2 stroke mix
Position: Fuel cap
Chain oil tank
Position: oil cap
Stop Switch
Setting the switch to the “O” position, the engine stops immediately.
Position: Rear-left of the unit
Starting mode when the engine is hot.
Position: Upper-right of the air cleaner cover.
Starting mode when the engine is cold.
The screw under the “H” stamp is The High-speed adjustment screw. Position: Left side
The screw under the “L” stamp is The Slow-speed adjustment screw.
Position: Left side
The screw at the left of the “T” stamp is the idle adjustment screw.
Position: Left side
Shows the directions that the chain brake is Released (white arrow) and Activated (black arrow).
Position: Front of the chain cover
)
)
)
)
)
H
L T
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Original Instructions Version April 12
In the Box
A standard saw unit package contains the items as illustrated.
1) Power unit
2) Saw chain
3) Guide bar
4) Bar protector
5) Plug wrench
6) Spike and mounting screws, dependent on model.
Not pictured
7) Owner’s manual.
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Original Instructions Version April 12
Installing the Guide Bar and Chain
Open the box and install the guide bar and the saw chain on the power unit as follows:
The saw chain has very sharp edges. Use thick protective gloves for safety.
1. Pull the guard towards the front handle to check that the chain brake is not on.
2. Loosen the nuts and remove the chain cover.
3. Install the spike to the power unit (dependent on model).
4. Remove and discard the plastic packer (3) located on the bar studs.
5 . Fit the guide bar over the bar bolts.
Figure 1. Figure 2.
Chain Direction
6. Figure 1 Fit the chain to the drive sprocket and while tting the saw chain around the guide bar,
adjust the position of the chain tensioner located in the side cover (2) to t into the hole (1) in the
guide bar.
7. Fit the chain cover to the power unit and fasten the nuts nger tight.
8. Figure 2 While holding up the tip of the bar, adjust the chain tension by turning the tensioner
screw until the chain does not sag from the underside of the guide bar.
9. Tighten the bar nuts securely with the bar held up to 12/15N.M, then check the chain for smooth
rotation and proper tension while moving the chain by hand.
Note: A new chain will expand in length at the beginning of use. Check and readjust the tension
frequently, as a loose chain can easily derail or cause rapid wear to itself and the guide bar.
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Original Instructions Version April 12
Before starting the engine
• Carefully check the area to make sure that no obstacles exist within a perimeter of 5 metres around the
chain saw before starting the engine.
• When starting the engine, place the body of the chain saw onto the ground in a at clear area and hold it
rmly in place to ensure that neither the blades nor the throttle come into contact with any obstacles when
the engine starts up.
• After starting the engine, make sure that the blades stop moving when the throttle trigger is released (idle).
If the blades continue to move when the engine is at idle, adjust the idle screw on the carburettor to a point
where the blades stop moving, if this cannot be achieved, turn o the engine and take the chain saw to your
authorised servicing dealer for adjustment.
• The chain brake must be engaged before starting the chainsaw. Apply the chain brake by pushing the front
hand guard forwards. (see page 14)
Fuel & Chain Oil
WARNING
• Fuel is very ammable. Do not smoke or bring any ame or sparks near fuel. Always stop the
engine and allow it cool before refuelling. Refuel outdoors on bare ground, restart engine at least
3m away from the refuelling stop.
FUEL MIX TWO-STROKE
The engine is lubricated by oil mixed into petrol. Prepare a mixture of unleaded petrol and only use semi-
synthetic two-stroke oil that meets the specications of: API TC, ISO-L-EGC, JASO FC (Low Smoke) oil.
Recommended mixing ratio is 40:1.
Use fresh, unleaded petrol (95 RON) and semi-synthetic oil specially made for high performance two-stroke
engines. Mix in a ratio of 40 parts petrol to 1 part of oil.
Using two-stroke oil specially made for two-stroke engines will reduce the formation of ash and carbon
deposits in the spark plug, piston, muer and cylinder as well as reducing emissions of harmful exhaust
gases. Lubrication will be maximized and the engine life extended.
40 : 1
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Original Instructions Version April 12
It is important to only use good quality, fresh petrol and oil. The two-stroke fuel mixture should be
used within four weeks.
IMPORTANT
Stored two-stroke fuel may separate during storage, always shake fuel container before each use.
DO NOT USE:
• Fuel containing no oil (raw petrol) will cause the engine to become overheated and severe damage will
occur which is not covered by warranty
Fuelling
WARNING
1. Stop the engine before refuelling the unit, agitate the mixed two-stroke mixture in the
container.
2. Move at least 3 metres away from the fuelling point before starting the engine.
3. Mixed fuel which have been stored for a period of one month or more may damage/
block the carburettor resulting in the engine failing to start.
4. In the case of storing the product for a long period of time, empty the fuel tank. Next,
run the engine to empty the carburettor of fuel.
FUELLING THE CHAINSAW
1. Shake the fuel container to thoroughly mix the two-stroke oil and petrol mix.
2. Clean around the fuel cap before removing.
3. Pour 40:1 two-stroke fuel into the fuel tank with a ltered funnel, up to 80% of the fuel tanks
capacity.
4. Replace the fuel cap and tighten securely. Spilled fuel must be wiped away from the chain saw
before starting the engine.
CHAIN OIL
Use only special anti ing chain oil grade SAE30. Fill the chain oil tank every time you ll the fuel tank.
Note: Do not use waste or regenerated oil that can cause damage to the oil pump.
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Original Instructions Version April 12
Chain Brake
This machine is equipped with an automatic brake to stop the saw chain rotation upon the occurrence of
kickback during saw cutting. The brake is automatically operated by inertial force, which acts on the weight
tted inside the front guard. The brake can also be operated manually by pushing the front guard forward
towards the guide bar.
To release the brake, pull back the front guard (4) toward the front handle (1) until a “click” sound is heard (2).
How to check:
You must check the chain brake operation before each usage by running the saw at full throttle for 1-2
seconds and pushing the front hand guard (4) forward (3).
The chain should stop immediately with the engine at full speed.
If the chain is slow to stop or does not stop, replace the brake band and clutch drum before use.
Before proceeding to your job, it is recommended to rst practice sawing easy logs. This also helps you get
accustomed to your unit.
Always follow the safety regulations:
The chain saw must only be used for cutting wood. It is forbidden to cut other types of material. Vibrations
and kick-back vary with dierent materials and the requirements of the safety regulations would not be met.
Do not use the chain saw as a lever for lifting, moving or splitting objects.
The saw should cut easily without force. Apply only light pressure while running the engine at full throttle.
When the saw chain is caught in the cut, do not attempt to pull it out by force, but use a wedge or a lever to
open the way.
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Original Instructions Version April 12
Kickback Safety Precautions
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. Top contact in some cases may cause a lightning fast 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 on the safety devices built into your saw. As a chain saw user you should take several
steps to keep cutting jobs free from accident or injury.
1. With a basic understanding of kickback you can reduce or eliminate the element of surprise.
Sudden surprise contributes to accidents.
2. Keep a good grip on the saw with both hands, the right hand on the rear handle, and the left
hand on the front handle, when the engine is running. Use a rm grip with thumbs and ngers
encircling the chain saw handles. A rm grip will help you reduce kickback and maintain control
of the saw.
3. Make certain 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, or any other obstruction which could be hit while you are
operating the saw.
4. Cut at high engine speeds.
5. Do not overreach or cut above shoulder height.
6. Follow manufacturers sharpening and maintenance instructions for saw chain.
7. Only use replacement bars and chains specied by the manufacturer or the equivalent.
It is important to maintain the proper chain tension. Rapid wear of the guide bar or the chain
coming o can be caused by improper tension, especially when using a new chain.
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