Mack 946401 ST622 User Manual
String Trimmer
Owner/Operator Manual
Models
946401 - ST622
ENGLISH
FRANÇAIS
ESPAÑOL
Transfer
model &
serial number
label from
product
registration
here.
Coller l’autocollant du
modèle et du numéro de
série dans cet encadré.
Transferir aquí la etiqueta
del modelo y número de
serie del registro del
producto.
04645100C 2/02
Supercedes 04645100, A-B
Printed in USA
CONTROLS AND FEATURES
ENGLISH
1. Trimmer Head
2. Trimmer Line
3. Upper Handlebar
4. Lower Handlebar
5. Control Bail
6. Throttle Control Lever
7. Recoil Starter Handle
8. Handlebar Wing Knob
9. Oil Dipstick and Cap
10. Fuel Tank and Cap
11. Debris Screen
12. Air Cleaner
13. Primer Bulb
14. Swivel Head Lock
15. Trimmer Shield
16. Trailing Shield
FRANÇAIS
1. Tête de coupe
2. Fil de coupe
3. Guidon supérieur
4. Guidon inférieur
5. Barre de commande
6. Manette des gaz
7. Poignée du démarreur
à cordon
8. Molette de la poignée
9. Jauge à huile et bouchon
10. Réservoir de carburant
et bouchon
11. Crépine anti-débris
12. Filtre à air
13. Poire d’amorçage
14. Verrou de la tête de pivot
15. Garant de coupe
16. Garant de tractage
ESPAÑOL
1. Cabeza recortadora
2. Hilo de recorte
3. Manillar superior
4. Manillar inferior
5. Asidero de control
6. Palanca de control
del acelerador
7. Manilla de arranque
de retroceso
8. Perilla de mariposa
del manillar
9. Varilla medidora de
aceite y tapón
10. Depósito del combustible
y tapón
11. Rejilla de residuos
12. Depurador de aire
13. Perilla de cebado
14. Traba de la cabeza
basculante
11
5
6
7
3
8
9
14
16
4
15
OX0070
15. Protector del recortador
16. Protector de arrastre
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
10
12
13
1
2
OX0201
2
TABLE OF CONTENTS
Controls and Features . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . 3
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Assembly . . . . . . . . . . . . . . . . . . . . . . . . 7
Operation . . . . . . . . . . . . . . . . . . . . . . . . 9
Maintenance . . . . . . . . . . . . . . . . . . . . 11
INTRODUCTION
Service and Adjustments . . . . . . . . . . 12
Troubleshooting . . . . . . . . . . . . . . . . . 15
Storage. . . . . . . . . . . . . . . . . . . . . . . . . 16
Service Parts . . . . . . . . . . . . . . . . . . . . 16
Specifications . . . . . . . . . . . . . . . . . . . 16
Warranty. . . . . . . . . . . . . . . . . . . . . . . . 17
THE MANUAL
Before operation of unit, carefully and
completely read your manuals. The contents
will provide you with an understanding of
safety instructions and controls during normal
operation and maintenance.
All reference to left, right, front, or rear are
given from operator standing in operation
position and facing the direction of forward
travel.
MODEL AND SERIAL NUMBERS
When ordering replacement parts or making
service inquiries, know the Model and Serial
numbers of your unit and engine.
Numbers are located on the product
registration form in the unit literature package.
They are printed on a serial number label,
located on the frame of your unit.
Serial
Number
Label
• Record Engine Model and Serial numbers
here.
OX0070
PRODUCT REGISTRATION
A warranty registration card must be filled out,
signed, and returned at time of purchase. This
card activates the warranty. Claims meeting
requirements during limited warranty period
will be honored. Return your registration card
to assure warranty service.
UNAUTHORIZED REPLACEMENT
PARTS
Use only Ariens replacement parts. The
replacement of any part on this unit with
anything other than an Ariens authorized
replacement part may adversely affect the
performance, durability, and safety of this unit
and may void the warranty. Ariens disclaims
liability for any claims or damages, whether
warranty, property damage, personal injury or
death arising out of the use of unauthorized
replacement parts.
DELIVERY
Customer Note:
product without complete assembly and
instruction by your retailer, it is your
responsibility to:
• Read and understand all assembly
instructions in this manual. If you do not
understand or have difficulty following the
instructions, contact your nearest Ariens
Dealer for assistance. To locate your
nearest Ariens Dealer, go to
www.ariens.com on the internet or call
1-800-678-5443.
• Do not operate the unit unless all controls
function as described in this manual.
Before attempting to operate your
unit:
1. Make sure all assembly has been
properly completed.
2. Understand all Safety Precautions
provided in the manuals.
3. Review control functions and operation of
the unit.
4. Review recommended lubrications,
maintenance and adjustments.
5. Review Limited Warranty Policy.
If you have purchased this
WARNING:
adjustments can cause serious
injury.
Improper assembly or
GB - 3
© Copyright 2000, 2002
6. Fill out Original Purchaser Registration
Card and return the card to Ariens
Company.
DISCLAIMER
Ariens reserves the right to discontinue,
change, and improve its products at any time
without notice or obligation to the purchaser.
SAFETY
The descriptions and specifications contained
in this manual were in effect at printing.
Equipment described within this manual may
be optional. Some illustrations may not be
applicable to your unit.
SAFETY ALERTS
Look for these symbols to point
out important safety precautions.
They mean:
Attention!
Personal Safety Is Involved!
Become Alert!
Obey The Message!
The safety alert symbols above and signal
words below are used on decals and in this
manual.
Read and understand all safety messages.
DANGER:
HAZARDOUS SITUATION! If
not avoided, WILL RESULT in
death or serious injury.
WARNING:
HAZARDOUS SITUATION! If not
avoided, COULD RESULT in death
or serious injury.
CAUTION:
HAZARDOUS SITUATION! If not
avoided, MAY RESULT in minor or
moderate injury. It may also be
used to alert against unsafe
practices.
IMMINENTLY
POTENTIALLY
POTENTIALLY
PRACTICES AND LAWS
Practice usual and customary safe working
precautions, for the benefit of yourself and
others. Understand and follow all safety
messages. Be alert to unsafe conditions and
the possibility of minor, moderate, or serious
injury or death. Learn applicable rules and
laws in your area.
REQUIRED OPERATOR TRAINING
If unit is to be used by someone other than
original purchaser; loaned, rented or sold,
ALWAYS provide this manual and any needed
safety training before operation.
NOTATIONS
NOTE:
General reference information for
proper operation and maintenance practices.
IMPORTANT:
information required to prevent damage to unit
or attachment.
Specific procedures or
GB - 4
SAFETY DECALS AND
LOCATIONS
ALWAYS replace missing or damaged Safety
Decals. Refer to figure below for Safety Decal
locations.
DANGER / PELIGRO
Remove objects that could
be thrown by the cutter line.
OL0910
Keep body parts away from
rotating cutter line.
TO AVOID SERIOUS INJURY OR DEATH
• Read the Operator’s Manual.
• Always wear protective glasses or
goggles.
• Always wear adequate hearing
protection.
• Do not operate when children or others
are around.
• Remove objects that could be thrown
by the cutter line.
• Keep body parts away from rotating
cutter line.
• Go across slopes, not up and down.
• Keep safety devices (guards, shields,
switches, etc.) in place and working.
• Look down and behind before and
while moving backwards.
• Do not let debris accumulate. Debris
could become a fire hazard or cause
engine to overheat.
Cutter Line Length: 18 inches (46 cm). Longueur de l'unité de coupe : 46 cm (18 in.). Longitud de la línea de corte: 46 cm (18 in.).
POUR ÉVITER DES BLESSURES GRAVES, VOIRE MORTELLES
• Lire le manuel d'entretien.
• Toujours porter des lunettes de protection ou
de sécurité.
• Toujours porter des protège-oreilles appropriés.
• Ne pas utiliser en présence d’enfants ou d'autres
personnes.
• Retirer les objets pouvant être projetés par
l'unité de coupe.
• Se tenir à l’écart de l'unité de coupe rotative.
• Se déplacer travers d'une pente et non pas de
haut en bas.
• Maintenir les dispositifs de sécurité (garants,
protections, boutons de commandes, etc.) en
place et en bon état de fonctionnement.
• Regarder en bas et en arrière, avant et pendant
toute manœuvre de recul.
• Ne pas laisser les débris s'entasser car ils
peuvent provoquer un incendie ou la surchauffe
du moteur.
PARA EVITAR LESIONES SERIAS O LA MUERTE
• Leer el Manual del operador.
• Siempre llevar gafas protectoras o de seguridad.
• Llevar siempre protección para los oídos adecuada.
• No poner en funcionamiento alrededor de niños o
personas ajenas.
• Quitar objetos que puedan ser lanzados por la línea
de corte.
• Mantener las partes del cuerpo alejadas de la línea
de corte giratoria.
• Conducir transversalmente sobre pendientes, no
hacia arriba y abajo.
• Mantener los dispositivos de seguridad (guardas,
protectores, interruptores, etc.) en su lugar y en buen
estado de funcionamiento.
• Mirar hacia abajo y detrás antes y durante el retroceso.
• No permitir la acumulación de residuos. Los residuos
pueden convertirse en un peligro de incendio o causar
el recalentamiento del motor.
1. DANGER! TO AVOID SERIOUS
INJURY OR DEATH
Read the Operator’s Manual.
OL1801
Always wear protective
glasses, goggles or a face
shield.
Always wear adequate
hearing protection.
OL4740
Do not operate when
children or others are
around.
OL4370
05230800
1
OX0113
OL4620
Go across slopes, not up and
down.
OL4610
• Keep safety devices (guards,
shields, switches, etc.) in place and
working.
• Look down and behind before and
while moving backwards.
• Do not let debris accumulate.
Debris could become a fire hazard
or cause engine to overheat.
ASSEMBLY SAFETY RULES
Read, understand, and follow all safety
practices in Owner/Operator Manual before
beginning assembly. Failure to follow
instructions could result in personal injury and/
or damage to unit.
ALWAYS remove key and/or wire from spark
plug before assembly. Unintentional engine
start up can cause death or serious injury.
OPERATIONAL SAFETY RULES
Safety Interlock System
Whenever operator releases control on
handlebar, trimmer head must stop. If feature
fails to operate, disconnect spark plug wire
and adjust or have it repaired before using
unit.
Unit and Work Area Inspection
Inspect unit and work area before operation.
Clear work area of objects which might be
picked up and thrown. Remove all stones,
sticks, wires and other foreign objects. Tall
grass can hide obstacles.
Keep equipment in good condition.
Personal
Only Trained Adults may operate unit. Training
includes actual operation.
GB - 5
Wear adequate safety gear, long sleeve shirts,
long pants and protective gloves.
Wear sturdy footwear. DO NOT operate
trimmer when barefoot or when wearing open
sandals or canvas shoes.
Always wear eye protection and appropriate
hearing protection when operating trimmer.
NEVER wear loose clothing, jewelry or long
hair that may get caught in rotating parts.
Protect eyes, face and head from objects that
may be thrown from unit.
Keep children out of work area and under the
watchful care of an adult.
NEVER allow children to operate trimmer.
Turn the trimmer off if children enter the area.
NEVER direct discharge toward bystanders.
The operator is responsible for the safety of
bystanders.
NEVER operate after or during the use of
medication, drugs or alcohol. Complete and
unimpaired attention is required when
operating unit.
ALWAYS stand clear of discharge when
operating unit.
Do not operate trimmer on gravel or on loose
material such as sand. Stop trimmer when
crossing gravel drives, walks, or roads.
Objects may be picked up and thrown, causing
damage or injury.
DO NOT touch parts which are hot. Allow
parts to cool.
Moving parts can cut or amputate fingers or a
hand.
Fumes from the engine exhaust can cause
death or serious injury. DO NOT run engine in
an enclosed area.
Operation
ACCIDENTAL ENGINE START UP or
UNAUTHORIZED USE could result in death or
serious injury.
Take all possible precautions when leaving
unit unattended. Shut off engine. Remove wire
from spark plug and secure it away from spark
plug.
NEVER use wire or wire-rope in place of the
cutting line. It can break off and become a
dangerous projectile. Use only flexible, nonmetallic line recommended by Ariens.
DO NOT pull trimmer backwards unless
absolutely necessary. Look down and back
before and while moving backwards. Keep a
firm footing.
ALWAYS keep trimmer head in contact with
the ground while operating.
Keep the area of operation clear of all persons,
children and pets.
Stop trimmer if anyone enters the area.
Keep safety devices or guards in place and
functioning properly. NEVER modify or remove
safety devices. ALWAYS keep trimmer shield
in place. Keep equipment in good condition.
ALWAYS keep hands and feet away from all
rotating parts during operation.
DO NOT trim at too fast a rate. DO NOT
change engine governor setting or over-speed
the engine.
ALWAYS operate unit when there is good
visibility and light.
Use extra care when approaching blind
corners, shrubs, trees, or other objects which
may obscure vision.
Do not operate trimmer in wet grass. Always
be sure of your footing. Keep a firm hold on
handlebar. Walk, never run.
If equipment vibrates abnormally, stop engine
immediately, wait for moving parts to stop and
remove wire from spark plug. Repair any
damage before restarting unit.
Avoid uneven work areas and any rough
terrain.
Be familiar with area of operation. Stay alert
for holes, rocks, roots, and hidden hazards in
area of operation. Keep away from drop-offs,
ditches or embankments. Operator could lose
footing or balance.
DO NOT operate trimmer unless trimmer
shield and trailing shield are installed. Objects
may be picked up and thrown causing damage
or personal injury.
DO NOT make cutting height adjustments
while the engine is running.
Hazardous Slopes
DO NOT operate on steep slopes. If you feel
uncomfortable on a slope, do not trim it.
NEVER leave unit unattended on a slope.
Chock wheels if parking on a slope.
Trim across the face of slopes, never up and
down. Be especially cautious when changing
direction on slopes.
Spark Arrestor
This product is equipped with an internal
combustion engine. DO NOT use on or near
any unimproved, forest or brush covered land
unless the exhaust system is equipped with a
spark arrestor meeting applicable local, state
or federal laws. A spark arrestor, if used, must
be maintained in effective working order by the
operator. See your Ariens Dealer or engine
manufacturer’s service center.
GB - 6
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