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37

Maintenance and care

Troubleshooting table

Problem

Diagnosis

Cause

Solution

The engine does
not start

1.  There is no fuel in the fuel tank
2.  The stop switch is in the Stop position
3.  Excess fuel suction
4. Electrical

fault

5.

Carburettor malfunction or internal stick-
ing

6. Internal

engine

malfunction

1. Fuel

supply

2. Move to the Start po-

sition

3. Start the engine after

servicing

4.  Consult your dealer
5.  Consult your dealer
6.  Consult your dealer

Engine is difficult to
start, fluctuating ro-
tation

Fuel is entering the overflow
pipe

1. Fuel

degradation

2. Carburettor

problem

1.

Replace with new fuel

2. Consult your dealer

No fuel is entering the over-
flow pipe

1. Fuel filter is clogged
2.

Fuel system is clogged

3.

Internal carburettor parts sticking

1.  Clean or replace
2.  Consult your dealer
3.  Consult your dealer

The spark plug is dirty or
damp

1. Fuel

degradation

2. Incorrect electrode gap
3. Carbon

deposits

4. Electrical

fault

1. Replace
2. Replace
3. Replace
4. Consult your dealer

Engine starts but
no acceleration is
possible

1.  Dirty air filter
2.  Dirty fuel filter
3.  Blocked fuel passage
4. Carburettor

adjustment

problem

5. Blocked exhaust vent or silencer vent

1.  Clean or replace
2.  Clean or replace
3.  Consult your dealer
4. Adjust
5. Clean

The engine stops

1. Carburettor adjustment problem
2. Electrical

fault

1. Adjust
2. Consult your dealer

The engine fails to
stop

1. Stop switch malfunction

1. Perform an emergen-

cy stop and consult
your dealer

Cutting attachment
rotates when the
engine is idling

1. Carburettor

adjustment

problem

2. Damaged

clutch

spring

1. Adjust
2. Consult your dealer

Checking and maintenance requires specialist knowledge. If you are unable to check and maintain the product or deal with a
fault yourself, consult your dealer. Do not attempt to dismantle the product.

Consult your dealer in the event of a problem that is not covered in the table above, or other such concerns.

For spare parts and consumables, please use only genuine parts and designated products and components. Using parts from
other manufacturers or non-designated components may result in a malfunction.

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Содержание BP420S

Страница 1: ...NGLISH Original instructions OPERATOR S MANUAL GRASS TRIMMER BRUSHCUTTER BP420S WARNING READ THE INSTRUCTIONS CAREFULLY AND FOLLOW THE RULES FOR SAFE OPERATION FAILURE TO DO SO COULD RESULT IN SERIOUS...

Страница 2: ...our manual or it is damaged and no longer readable please purchase a new one from your shindaiwa dealer The units used in this manual are SI units International System of Units Figures in parentheses...

Страница 3: ...start 16 Assembly 16 Preparing the fuel 20 Engine operation 21 Starting the engine 21 Stopping the engine 23 Trimming operation 24 Basic trimming operation with nylon line cutting head 25 Basic trimmi...

Страница 4: ...accompanied by the word DANGER calls attentions to an act or a condition which will lead to serious personal injury or death of op erators and bystanders This symbol accompanied by the word WARNING c...

Страница 5: ...ours Usage of nylon line cutting head not permitted Loop handle Do not use the product in plac es with poor ventilation Beware of high temperature areas Beware of fire Guaranteed sound power lev el Ch...

Страница 6: ...Ensure that you understand what the decal means before using your product If the decal becomes unreadable due to wear and tear or damage or peels off and is lost please purchase a replacement decal fr...

Страница 7: ...g precautions when refuelling Do not add so much fuel that it reaches the mouth of the fuel tank Keep the fuel within the prescribed level up to the shoulder level of the fuel tank Mop up any fuel tha...

Страница 8: ...age component while the product is running Put safety first in the case of fire or smoke If fire comes from the engine or smoke appears from any area other than the exhaust vent first distance yoursel...

Страница 9: ...ng prepared in case of an injury In the unlikely event of an accident or injury please ensure that you are prepared First aid kit Towels and wipes to stop any bleeding Whistle or mobile phone for call...

Страница 10: ...and cold Expo sure to vibration and cold may cause tingling and burning followed by loss of colour and numbness in the fingers The following precautions are strongly recommended be cause the minimum...

Страница 11: ...the engine immediately and ensure that the cutting attachments have stopped be fore checking each area of the product Replace any damaged parts If the cutting attachment hits a rock tree post or othe...

Страница 12: ...ickback described in this manual and how these forces may affect your balance in the operation of a unit Failure to do so could cause an injury or fatal accident WARNING Use correct cutting attachment...

Страница 13: ...guards Protect the legs Failure to observe these precautions could result in damage to your sight or hearing or lead to a serious injury When necessary please use the protective gear below Dust mask P...

Страница 14: ...ng or broken Engine Operation Shaft 1 Engine 2 3 cutter blade 3 Safety goggles ANSI Z 87 1 compliant 4 Caution tag 5 Operator s manual 6 Shield for metal blade 7 Shield for nylon line cutting head 8 C...

Страница 15: ...upward to RUN downward to STOP position 8 Throttle trigger Activated by the operator s finger for con trolling the engine speed 9 Throttle trigger lockout Locks throttle trigger in the idling positio...

Страница 16: ...R to the driving shaft of the engine For easier coupling pull out the power transmission R about 4 mm more in advance After set the lock pin free confirm that the flexible shaft as sembly can not be d...

Страница 17: ...ation of the front handle to a convenient position Tighten the screws M5 35 and nuts securely One of the 4 screws must be tighten together with the hanger as illustrated Shoulder harness Suit the leng...

Страница 18: ...ot 2 Blade retainer 3 Blade 4 Lower blade retainer 5 Cup 6 Nut DANGER If worn nut and cup for blade are used there is a danger of blade getting loose Replace them with new one WARNING Do not attempt t...

Страница 19: ...ckwise using a socket wrench Never fasten while applying your weight Otherwise the thread of nut could be broken Replace nut and cup with new ones no matter how small the wear is 1 Blade 2 Locking too...

Страница 20: ...k and the outside air When refuelling loosen the fuel tank cap slightly to eliminate the difference in pressure Always wipe up any fuel spills Move at least 3m away from where you refueled before you...

Страница 21: ...speed posi tion 6 Move the choke lever to the Cold Start position 7 Alternately press and release the purge bulb until the fuel is sucked up into it WARNING When starting the engine observe the precau...

Страница 22: ...ming the engine helps to lubricate its internal workings more smoothly Allow the engine to warm up fully especially when it is cold 3 Never run the engine without the cutting attachment fitted Startin...

Страница 23: ...ls to stop move the choke lever to the Cold Start position The engine will stall and come to a halt an emergency stop If the engine fails to stop when the ignition switch is used have the ignition swi...

Страница 24: ...u move forward The blade rotates anticlockwise so it is necessary to cut the object from the right to the left The manner of walking is as follows Place the right foot in front of the left foot withou...

Страница 25: ...from you on the scything stroke Then return without cutting grass for another stroke If you are well protected and do not care whether some debris is thrown in your direction you may scythe in both d...

Страница 26: ...the obstruction Do not cut closely to obstruction or barrier Avoid nylon line contact with broken wire fencing Pieces of wire broken off by the trimmer can be hurled at high speeds Basic trimming ope...

Страница 27: ...should not be used to cut large tough weeds or woody growths If a sapling or shrub binds the cutting attachment do not use the cutting attachment as a lever to free the bind because this will cause c...

Страница 28: ...product suddenly starts to vibrate abnormally Sudden vibration may be caused by a problem with a component such as the flywheel clutch or trimmer blade or by a loose screw or other such factor Do not...

Страница 29: ...ace 29 Fuel filter Inspect Clean Replace 30 Spark plug Inspect Clean Adjust Replace 31 Carburettor Adjust Replace and adjust 30 Cooling system Inspect Clean 30 Silencer Inspect Tighten Clean 31 Flexib...

Страница 30: ...dirty or no longer fits properly replace it WARNING When carburettor adjustment is completed cutting attachment should not move at idle otherwise serious personal in jury may result CAUTION When star...

Страница 31: ...r exude from around fuel pipe fuel grommet or fuel tank cap In case of fuel leakage or exudation there is a danger of fire Stop using the machine immediately and request your dealer to inspect or repl...

Страница 32: ...is preferable to fit the power transmission shaft R reversely but the spacer is fitted on the rear handle as sembly side of the powertransmission shaft R at all times Angle transmission Remove plug f...

Страница 33: ...lling nylon line cutting head Insert locking tool into a hole located on the right side of angle transmission while forcing retainer spring to the left side Insert locking tool further into blade reta...

Страница 34: ...ve one after another 2 Remove spool 3 When nylon line on the spool is almost exhausted remove remaining line from spool and wind new line according to the procedures 4 and beyond When the line on the...

Страница 35: ...r until the pawls are firmly fitted into the windows Checking the nylon line cutting head 1 Make sure each periphery of the 2 retaining pawls of housing spreads almost fully up to the outer periphery...

Страница 36: ...en slot appears on bottom of the tap knob or when slot appears on cover bottom close to outlet for nylon line re place them with new parts without fail 5 Check the cutting head for crack or chip Repla...

Страница 37: ...lace 3 Replace 4 Consult your dealer Engine starts but no acceleration is possible 1 Dirty air filter 2 Dirty fuel filter 3 Blocked fuel passage 4 Carburettor adjustment problem 5 Blocked exhaust vent...

Страница 38: ...or other covering and store in a dry dust free location out of reach of children WARNING Do not store in sealed locations filled with fuel gas or close to naked flames or sparks You could cause a fire...

Страница 39: ...troke single cylinder Engine displacement Maximum shaft brake power measured in accordance Engine speed at maximum engine power Recommended maximum engine speed With STD at tachment installed mL cm3 k...

Страница 40: ...6 the requirements of Directive 2004 108 EC use of harmonized standard EN ISO 14982 the requirements of Directive 2002 88 EC the requirements of Directive 2000 14 EC Conformity assessment procedure fo...

Страница 41: ...41 X750 012 78 1 X750 222 660 1 2009 1Notes and rear cover MEMORANDUM...

Страница 42: ...42 X750 012 78 1 X750 222 660 1 2009 MEMORANDUM...

Страница 43: ...43 X750 012 78 1 X750 222 660 1 2009 MEMORANDUM...

Страница 44: ...44 X750 012 78 1 X750 222 660 1 2009 7 2 SUEHIROCHO 1 CHOME OHME TOKYO 198 8760 JAPAN PHONE 81 428 32 6118 FAX 81 428 32 6145 Printed in Japan 0x0xxxx zzzz ES...

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