Efco MT4400 Instruction Manual Page 26
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26
OPERATION
DO NOT cut down a partially fallen tree with your saw.
Be extremely cautious with partially fallen trees that may be
poorly supported. When a tree doesn’t fall completely, set the
saw aside and pull down the tree with a cable winch, block and
tackle, or tractor.
Buttress Roots
A buttress root is a large root extending from the trunk of the tree
above ground. Large buttress roots should be removed prior to
felling. Make the horizontal cut (A, Fig. 61) into the buttress first,
followed by the vertical cut (B). Remove the resulting loose
section (C) from the work area. Utilize the proper instructions
from the Operation-Tree Felling section of the manual after the
large buttress roots have been removed.
Bucking
Bucking is the term used for cutting a fallen tree to the desired
log length.
• Cut only one log at a time.
WARNING: Support small logs on a saw horse or
another log while bucking. Never allow another
person to hold the log while cutting and never hold
the log with your leg or foot.
WARNING: Keep a clear cutting area. Make sure
that no objects can contact the guide bar nose and
chain during cutting, this can cause kickback (D,
Fig. 62).
WARNING: During bucking operations always stand
on the uphill side so that the cut-off section of the
log can not roll over you.
WARNING: If saw becomes pinched or hung in a log,
don’t try to force it out. You can lose control of the
saw resulting in injury and/or damage to the saw.
Stop the saw, drive a wedge of plastic or wood into
the cut until the saw can be removed easily (E, Fig.
63). Restart the saw and carefully reenter the cut. Do
not attempt to restart your saw when it is pinched or
hung in a log.
WARNING: Do not stand on the log being cut. Any
portion can roll causing loss of footing and control.
Do not cut in an area where logs, limbs, and roots are
tangled. Drag the logs into a clear area before cutting
by pulling out exposed and cleared logs first.
Bucking with a Wedge
If the wood diameter is large enough for you to insert a soft
bucking wedge (E, Fig. 63) without touching the chain, you
should use the wedge to hold the cut open to prevent pinching.
61
62
63
- MT 4400 (2.6 cu.in) 1
- THE OPERATOR’S MANUAL 2
- TABLE OF CONTENTS 3
- Chain Saw Components 4
- State and Local Requirements 5
- Understanding Safety Labels 5
- Basic Safety Precautions 7
- Fuel Handling 8
- Operation and Safety 8
- Precautions Against Kickback 9
- SAFETY RULES 10
- Maintenance Precaution 13
- ASSEMBLY 15
- Assembling the Bar and Chain 15
- OPERATION 17
- Chain Tension 17
- Breaking-in the Chain 17
- Bucking Spike 18
- Chain Oil System (Fig. 40) 19
- Preparation for Cutting 20
- Starting The Engine 21
- Ice Device System 22
- Breaking-in the Engine 23
- Stopping The Engine 23
- Chain Brake Operation 24
- Tree Felling 24
- Bucking 26
- Limbing and Pruning 27
- Maintenance Chart 29
- MAINTENANCE 30
- Chain Maintenance 30
- Guide Bar Maintenance 31
- Carburetor Adjustment 32
- Fuel Filter 32
- Air Filter 32
- Starter Unit 33
- Spark Plug 33
- Spark Arresting Muffler 33
- Chain Brake 34
- TROUBLESHOOTING 35
- Using Trouble shooting Chart 35
- Storing Chain Saw 36
- TECHNICAL DATA 36
- MANUEL DE L'UTILISATEUR 37
- SOMMAIRE 38
- Composants de la tronçonneuse 39
- SÉCURITÉ 40
- RÈGLES DE SÉCURITÉ 42
- Précautions de base 42
- Manipulation du carburant 43
- Fonctionnement et sécurité 43
- Position Fonctionnement 46
- Position 46
- Précaution d'entretien 48
- FONCTIONNEMENT 51
- Tension de la chaîne 51
- Rodage de la chaîne 51
- Crampon de débitage 52
- Huile pour la chaîne et 53
- Préparation à la coupe 54
- Démarrage du moteur 56
- Systeme antigivre 57
- Rodage du moteur 57
- Abattage 59
- ENTAILLE INITIALE JUSQU’À 61
- UN TIERS DU DIAMÈTRE 61
- Ébranchage et élagage 62
- Tableau d'entretien 64
- Parties de la gouge 65
- ENTRETIEN 66
- Entretien du guide-chaîne 66
- Réglage du carburateur 67
- Filtre à carburant 67
- Filtre à air 67
- Démarreur 68
- Silencieux pare-étincelles 69
- Silencieux d'échappement 69
- Frein de chaîne 70
- DIAGNOSTIC DES PANNES 71
- REMISAGE 72
- Remisage de la tronçonneuse 72
- CARACTÉRISTIQUES TECHNIQUES 72
- MANUAL DEL OPERADOR 73
- ÍNDICE DE CONTENIDOS 74
- Componentes de la motosierra 75
- SEGURIDAD 76
- REGLAS DE SEGURIDAD 78
- Manejo del combustible 79
- Funcionamiento y seguridad 79
- Precauciones contra el rebote 80
- Posición de funcionamiento 82
- Posición 82
- Precauciones de mantenimiento 84
- ENSAMBLAJE 85
- FUNCIONAMIENTO 87
- Tensión de la cadena 87
- Rodaje de la cadena 87
- Púa de tronzado 88
- Mezcla de combustible 89
- Preparación para cortar 90
- Sistema antihielo 93
- Rodaje del motor 93
- Tala de árboles 95
- Tronzado 97
- Corte de ramas y poda 98
- Tabla de mantenimiento 100
- Componentes de un cortador 101
- MANTENIMIENTO 102
- Ajuste del carburador 103
- Filtro de combustible 103
- Filtro de aire 103
- Unidad de motor de arranque 104
- Silenciador 105
- Freno de la cadena 106
- SOLUCIÓN DE PROBLEMAS 107
- ALMACENAMIENTO 108
- DATOS TÉCNICOS 108
- ISO 9001 112
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