Cobra BC270KB, BC350K, BC450K, BC350KB, BC270K Owner's Manual

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MODELS: BC270KB (PNBC270K) BC270K (PNBC270K) BC350KB
(PNBC350KB) BC350K (PNBC350K) BC450K (PNBC450K)

COBRA BRUSHCUTTER
OWNER’S MANUAL

Cobra Garden Machinery

Henton and Chattell Ltd., London Road,
Nottingham NG2 3HW UK

www.cobragarden.co.uk

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CONTENTS

SECTION 1 Safety Overview ………………………………………………….………. 3

SECTION 2 Parts Descriptions………………………………………………………… 4

SECTION 3 Assembly Instructions….………………………………………………... 5

SECTION 4 Fuel and Oil Recommendations ……………………………………….. 10

SECTION 5 Adjustment of the Throttle Cable.……………………………………….. 10

SECTION 6 Starting Procedure ……………………………………………………… 11

SECTION 7 Warm-up Procedure…………….……………………………………….. 12

SECTION 8 Stopping………………………...……………………………………..….. 13

SECTION 9 Maintenance…………………..…………………………………….…….. 14

SECTION 10 Storage……………………………………….….………………………... 15

SECTION 11 Troubleshooting Guide……………………..……………………..…….. 15

SECTION 12 Warranty…………... ………………………………………………….…...16

SECTION 13 Environment ..………………………………………………………….…. 16

SECTION 14 EC Declaration of Conformity……………………………………….….. 17

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1. Safety Overview

ALL OPERATORS MUST READ THE
INSTRUCTIONS BEFORE USING THE
MACHINERY.

Always follow safe operating and maintenance
practices.

Read the manual before operating the
machinery.

Wear protective head, eye and ear
equipment.

Wear protective foot wear and gloves.
Cover and protect arms and legs.

Never operate machinery when tired, ill or
under the influence alcohol or drugs.

Keep bystanders a safe distance of at least
15m from the operating trimmer.

WARNING: When using petrol tools, basic
safety precautions, including the following, should
always be followed to reduce the risk of serious
personal injury and/or damage to the unit. Read all
these instruction before operating this product and
retain these instructions for future reference.

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 to consult their physician and the
medical implant manufacturer before operating this
machine.

Training

1. Before using the trimmer read the instructions

carefully. Familiarise yourself with the controls
and pay particular attention in learning how to
stop the machine in an emergency.

2. Never allow children or people unfamiliar with

these instructions to use the machinery. Local
regulations can restrict the age of the operator.

3. Never operate while people, especially children

or pets are nearby.

4. Never use the trimmer if the operator is taking

medicine or substances that could affect or
impair his ability to react or concentrate.

5. Keep in mind that the operator or user is

responsible for accidents or hazards occurring to
other people or their property.

Before you start

1. While trimming, always wear substantial
footwear and long trousers. Do not operate the
equipment when barefoot or wearing open toed
sandals.

2. Thoroughly inspect the area where the
equipment is to be used and remove all objects
which can damage or be thrown by the
machine.

3. WARNING - Petrol is highly flammable. Store
fuel in containers specifically designed for this
purpose. Refuel outdoors only and do not
smoke while refuelling; add fuel before starting
the engine. Never remove the cap of the fuel
tank or add petrol while the engine is running or
when the engine is hot. If petrol is spilled, do not
attempt to start the engine, but move the
machine away from the area of spillage and
avoid creating any source of ignition until petrol
vapours have dissipated. Replace all fuel tank
and container caps securely.

4. Replace faulty silencers or other parts.

5. Before using, always visually inspect to see that
the trimmer head, blade, and bolts are not worn
or damaged. Replace worn or damaged parts.

Operation and Caution

1. Do not operate the engine in a confined space
where dangerous carbon monoxide fumes can
collect, refuel outdoors only.

2. Always wear protective equipment, including
footwear, gloves eye and ear protection.
Appropriate clothing that provides some
protection whilst operating the brushcutter. Never
wear clothing that become entangled.

3. Operate only in daylight or in good artificial light.

4. Avoid operating the equipment in wet grass,
where feasible.

5. Always be sure of your footing on slopes.

6. Walk, never run, always be in control of the
machinery.

7. Exercise extreme caution when changing
direction on slopes.

8. Do not work on excessively steep slopes of more
than 20°

9. Never operate the trimmer with defective guards,
or without safety devices in place.

10. Do not change the engine governor settings
or over speed the engine.

11. Keep your feet well away from the blade when

starting the engine and in accordance with the
instructions.

12. Always ensure the engine is fully switched off

before carrying the trimmer.
Stop the engine and disconnect the spark plug
wire, make sure that all moving parts have come
to a complete stop and make sure engine has
had time to cool.

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- Before checking, cleaning or working on the
trimmer.

- After striking a foreign object. Inspect for
damage and make repairs before restarting.

- Stop the engine and disconnect the spark
plug wire, make sure that all moving parts
have come

to a complete stop and make sure
engine is completely cooled. Whenever you
leave the trimmer and before refuelling.

1. Keep all nuts, bolts and screws tight to be sure
the equipment is in safe working condition.

2. Never store the equipment with petrol in the tank
inside a building where fuel vapours can reach an
open flame or spark or where the temperature is
high.

3. Before storage allow the engine to cool.

4. To reduce the fire hazard, keep the engine,
silencer and petrol storage area free of grass,
leaves, or excessive grease.

5. Check the guards frequently for wear or
deterioration.

6. Replace worn or damaged parts for safety.
Genuine parts should always be used as parts of

inferior quality can damage the equipment and
compromise safety.

7. If the fuel tank has to be drained, this should be
done outdoors. Always ensure engine is
completely cooled before starting this task.

8. If the blade needs to be removed, wear strong
gloves to prevent injury to hands and fingers.

9. Never crank the engine when the spark plug is
removed.

10. Frequently check the fuel lines and fittings for

damage and cracks, replace if necessary

11. Never start the engine with the air filter cover

removed.

12. Carefully clean the trimmer after use to remove

debris as this can damage and corrode.

Warning: Do not touch the rotating blade

or trimmer line.

Warning: Refuel in a well-ventilated area

with the engine stopped.

2. Parts
Descriptions

KB models

K models

1. Engine 8. Handle bracket 15.Bracket for harness

2. Clutch housing 9. Handle handwheel bolt 16.Recoil starter handle

3. Throttle cable tube 10.Drive shaft 17.Fuel cap

4. Handle assembly 11.Guard bracket 18.Choke lever

5. Handle grip 12.Gauard

6. Throttle lever control 13.Gear case

7. Engine switch 14.Nylon line cutting assy

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Engine Parts Descriptions

Engine Warning Labels

A: The Owner’s manual contains important information on safe
operation. Read it before operating engine.
B: Exhaust gas contains carbon monoxide, an odourless and
deadly poison. Do not run Engine in an enclosed area.
C: Gasoline is extremely flammable and explosive. No open flames
or other source of ignition.
D: Engines can become extremely hot during normal operation.
Keep away from hot parts of the engine.

3. Assembly Instructions

Installation of the Loop Type Handle (KB models)

1. The ‘L’ shaped half of the loop handle locates as

shown opposite fitting onto the rubber mount on the
shaft.

The indentation on the rubber mount helps to
ensure the correct location.

2. The main loop handle plastic grip section fits

over the rubber mount and the ‘L’ shaped part fitted
before.

Fit the 4 bolts, tightening them with an allen key.

Ensure the handle is secured correctly.

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Assembly Instructions

Installation of the Bike Type Handle (K models)

1. Remove the handwheel bolt that locks the upper

clamshell bracket in place.

2. The clamshell bracket is ready to locate the bike

handle tube across the rubber mounting as shown.

3. With the bike handle tube fitted, latch the top

clamshell bracket as shown.

Hinge the bracket over the tube.

4. Adjust the bike handle position to suit the

operator and tighten the handwheel to clamp in
place.