DuroStar DS5018CS Owner's Manual

CHAIN SAW OWNER'S MANUAL

MODEL:DS5018CS

Caution: Before using our chain saw, please read this manual

carefully to understand the proper use of your unit. Keep this manual
available for reference at all times.

OWNER’S MANUAL

1

△

!

SAFETY FIRST

Instructions contained in warnings within this manual marked with a △!
symbol concern critical points which must be taken into consideration to
prevent possible serious bodily injury and for this reason you are
requested to read all such instructions carefully and follow them without
fail.

NOTES ON TYPES OF WARNINGS IN THE MANUAL

This mark indicates instructions which must be followed to prevent accidents
which could lead to serious bodily injury or death.

This mark indicates instructions which must be followed, or it will lead to
mechanical failure, breakdown, or damage.

This mark indicates hints or directions useful in the use of the product.

Contents

1. WARNING LABELS ON THE MACHINE ……………………………… 2

2. SYMBOLS ON THE MACHINE ………………………………………… 3

3. SAFETY PRECAUTIONS……………………………………………….. 3

4. INSTALLING GUIDE BAR AND SAW CHAIN ………………………… 7

5. FUEL AND CHAIN OIL…………………………………………………… 8

6. OPERATING ENGINE…………………………………………………… 10

7. SAWING…………………………………………………………………… 12

8. MAINTENANCE………………………………………………………….. 14

9. MAINTENANCE OF SAW CHAIN AND GUIDE BAR………………… 16

10. TROUBLESHOOTING GUIDE………………………………………….. 17

11. SPECIFICATIONS…………………………………………………………18

△

！

WARNING

IMPORTANT

NOTE

OWNER’S MANUAL

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1.WARNING LABELS ON THE MACHINE

a. Read owner's manual before operating this

machine

b. Wear head, eye, and ear protection

c. Use the chain saw with two hands

d. Warning! Kickback danger

e. Warning/Attention

Never remodel the product. We won’t warrant the machine if you use the

remodeled product or you don’t observe the proper usage written in the

manual.

△

！

WARNING

OWNER’S MANUAL

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2. SYMBOLS ON THE MACHINE

For safe operation and maintenance, symbols are carved in relief on the
machine. Per these indications, please be careful not to make a mistake.

a. The port to refill the “MIXED GASOLINE”

b. The port to refill the “CHAIN OIL”

c. Flipping the engine switch to the “I” (stop)

direction will stop the engine.

d. Pulling out the choke knob closes the choke.

e. “MIN”direction－the oil flow decreases

“MAX”direction－the oil flow increases

f. The position of the Carburetor Adjustments

OWNER’S MANUAL

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3.SAFETY PRECAUTIONS

BEFORE USING THE MACHINE

a. Read this owners manual carefully to understand how to operate this unit
properly.
b. You should never use the product when under the influence of alcohol,
when suffering from exhaustion or lack of sleep, when suffering from
drowsiness because of having taken cold 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 machine properly and in a safe manner.
c. Never use the product under circumstances like those described below:

1. When the ground is slippery or when other conditions exist which might
make it impossible to maintain a steady posture.

2. At night, at times of heavy fog, or at any other times when your field of
vision might be limited and it would be difficult to gain a clear view of the
area.

3. During rain storms, during lighting 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.
d. Lack of sleep, tiredness, or physical exhaustion results in lower attention
spans, and this in turn leads to accidents and injury. Limit the amount of time
of using the machine continuously to somewhere around 10 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 under 2 hours or
less.

WORKING EQUIPMENT AND CLOTHING

a. When using the product, you should wear proper clothing and protective
equipment as follows.

(1) Helmet
(2) Protection goggles or face protector
(3) Thick work gloves
(4) Non-slip-sole work boots
(5) Ear protectors

b. And you should carry with you.

1) Attached tools and files.

2) Properly reserved fuel and chain oil.

3) Things to notify your working area (Rope, warning signs)

4) Whistle (for collaboration or emergency)

5) Hatchet or saw (for collaboration or emergency)

OWNER’S MANUAL

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WARNING CONSIDERING HANDLING OF FUEL

a. The engine of this product is designed to run on a mixed

fuel which contains highly flammable gasoline. Never store
cans of fuel or refill the fuel tank in any place where here is
a boiler, stove, wood fire, electrical sparks, welding sparks,
or any other source of heat or fire which might ignite the
fuel.

b. Smoking while operating the product or refilling its fuel tank is extremely

dangerous. Always be sure to keep lit cigarettes away from the product
always.

c. When refilling the tank always turn off the engine first and take a careful

look around to make sure that there are no sparks or open flames
anywhere nearby before refueling.

d. If any fuel spillage occurs during refueling, use a dry rag to wipe up spills

before turning the engine back on again.

e. After refueling, screw the fuel cap back tightly onto the fuel tank and then

carry the product to a spot 3 ft. or more away from where it was refueled
before turning on the engine again.

BEFORE STARTING ENGINE

a. Check work area, the cutting object, and cutting direction. If there are any

obstacles, remove them.

b. Never start until you have a clear work area, secure footing, and a planned

retreat path from the failing tree.
c. Use caution and keep bystanders and animals out of the working area.
d. Inspect the machine and look for worn, loose, or damaged parts. Never

operate a machine that is damaged, improperly adjusted, or is not

completely and securely assembled. Make sure that the saw chain stops

moving when the throttle control trigger is released.

WHEN STARTING THE ENGINE

a. Always hold the machine firmly with both hands when the

engine is running. Use a firm grip with thumb and fingers

encircling the handles.
b. Keep all parts of your body away from the machine when

the engine is running.
c. Before starting the engine, make sure the saw chain is not

touching anything.