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Troubleshooting
Before making a request for repairs, check a trouble for yourself. If any abnormality is found, control your machine according to the description
of this manual. Never tamper or dismount any part contrary to the description. For repairs, contact Authorized Service Agent or local dealership.
State of abnormality Probable cause (malfunction) Remedy
Engine does not start
Failure to operate primer pump Push 7 to 10 times
Low pulling speed of starter rope Pull strongly
Lack of fuel Feed fuel
Clogged fuel lter Clean
Broken fuel tube Straighten fuel tube
Deteriorated fuel Deteriorated fuel makes starting more difcult.
Replace with new one. (Recommended
replacement: 1 month)
Excessive suction of fuel Set throttle lever from medium speed to high
speed, and pull starter handle until engine
starts. Once engine starts, cutting disc starts
rotating. Pay full attention to cutting disc.
If engine will not start still, remove spark plug,
make electrode dry, and reassemble them as
they originally are. Then, start as specied.
Detached plug cap Attach securely
Contaminated spark plug Clean
Abnormal clearance of spark plug Adjust clearance
Other abnormality of spark plug Replace
Abnormal carburetor Make request for inspection and maintenance.
Starter rope cannot be pulled Make request for inspection and maintenance.
Abnormal drive system Make request for inspection and maintenance.
Contaminated clutch and around parts Clean
Engine stops soon
Engine speed does not increase
Insufcient warm-up Perform warm-up operation
Choke lever is set to “
” although engine is
warmed up.
Set to “ON ”
Clogged fuel lter Clean
Contaminated or clogged air cleaner Clean
Abnormal carburetor Make request for inspection and maintenance.
Abnormal drive system Make request for inspection and maintenance.
Cutting disc does not rotate
Stop engine immediately
Loosened cutting disc-tightening bolt Tighten securely
Abnormal drive system Make request for inspection and maintenance.
Main unit vibrates abnormally
Stop engine immediately
Broken, bent or worn cutting disc Replace cutter blade
Loosened cutting disc-tightening bolt Tighten securely
Abnormal drive system Make request for inspection and maintenance.
Cutting disc does not stop immediately
Stop engine immediately
High idling rotation Adjust
Detached throttle linkage Make request for inspection and maintenance.
Abnormal drive system Make request for inspection and maintenance.
Engine does not stop
Run engine at idling, and set choke lever
to “
”
Detached connector Attach securely
Abnormal electric system Make request for inspection and maintenance.
When the engine does not start after warm-up operation:
If there is no abnormality found for the check items, open the throttle by about 1/3 and start the engine.
- EK7651HG 1
- Table of Contents Page 2
- Delivery inventory 3
- SAFETY PRECAUTIONS 4
- Fuels / Refuelling 5
- Putting into operation 5
- Cutoff discs 6
- Kickback and lock-in 7
- Cutting metals 8
- Cutting masonry and concrete 8
- Transport and storage 9
- Maintenance 10
- First aid (29) 10
- Technical data 11
- Denomination of components 12
- PUTTING INTO OPERATION 13
- Operating 16
- Adjusting the carburetor 17
- MAINTENANCE 17
- Cleaning the protection hood 18
- Spark plug maintenance 20
- Replacing the suction head 20
- Cleaning the starter 21
- (central/side) 22
- SPECIAL ACCESSORIES 23
- Maintenance chart 24
- Fault location 24
- Troubleshooting 25
- Français 27
- Symboles 28
- Matériel fourni 28
- PRÉCAUTIONS DE SÉCURITÉ 29
- Carburant/Ravitaillement 30
- Mise en marche 30
- Disques de coupe 31
- Retour de choc et blocage 32
- Découpe de métal 33
- Découpe de pierre et de béton 33
- Transport et rangement 34
- Premiers secours (29) 35
- Caractéristiques techniques 36
- Désignation des pièces 37
- MISE EN MARCHE 38
- Fonctionnement 41
- Réglage du carburateur 42
- ENTRETIEN 42
- Entretien de la bougie 45
- Nettoyage du démarreur 46
- ACCESSOIRES SPÉCIAUX 48
- Tableau d’entretien 49
- Résolution de pannes 49
- Dépannage 50
- Entreposage 51
- Índice Página 52
- Símbolos 53
- MEDIDAS DE SEGURIDAD 54
- Activación del equipo 55
- Discos cortadores 56
- Corte de metales 58
- Transporte y almacenamiento 59
- Mantenimiento 60
- Primeros auxilios (29) 60
- Especicaciones técnicas 61
- Denominación de componentes 62
- PUESTA DEL EQUIPO EN 63
- OPERACIÓN 63
- Operación 66
- Ajuste del carburador 67
- MANTENIMIENTO 67
- SERVICIO 68
- Limpieza del arrancador 71
- ACCESORIOS ESPECIALES 73
- Tabla de mantenimiento 74
- Determinación de fallas 74
- Resolución de problemas 75
- Almacenamiento 76
- Português 77
- Conteúdo da embalagem 78
- PRECAUÇÕES DE SEGURANÇA 79
- Colocação em funcionamento 80
- Discos de corte 81
- Recuo e travamento 82
- Metais de corte 83
- Corte de maçonaria e concreto 83
- Transporte e armazenamento 84
- Manutenção 85
- Primeiros socorros (29) 85
- Dados técnicos 86
- Denominação de componentes 87
- COLOCAÇÃO EM FUNCIONAMENTO 88
- Operando 91
- Ajuste do carburador 92
- MANUTENÇÃO 92
- Correia V 93
- Limpeza/troca do ltro de ar 94
- Manutenção da vela de ignição 95
- Limpeza da ignição 96
- ACESSÓRIOS ESPECIAIS 98
- Tabela de manutenção 99
- Localização de falha 99
- Resolução de problemas 100
- Armazenamento 101
- Makita Corporation 104
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