Craftsman 917.4791B Owner's Manual page 13

Craftsman 917.4791b rotary lawn mower, 149cc kohler engine, 21" multi-cut
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ACEITE DEL MOTOR
Drene el aceite (con el motor caliente) y cámbielo
con aceite de motor limpio. (Vea "MOTOR" en la
sección de Mantenimento de este manual.)
CILINDRO
1. Remueva la bujía.
2. Vacíe una onza (29 ml) de aceite a través
del agujero de la bujía en el cilindro.
3. Tire la manilla de arranque lentamente unas
cuantas veces para distribuir el aceite.
4. Vuelva a montar la nueva bujía.
OTROS
• No guarde la gasolina de una temporada a la
otra.
• Cambie el envase de la gasolina si se emp-
ieza a oxidar. La oxidación y/o la mugre en
su gasolina producirán problemas.
SOLUCIÓN DE PROBLEMAS - Vea la sección apropiada en el manual amenos que
esté dirigido a un centro de servico Sears.
PROBLEMA
CAUSA
No arranca
1. Filtro de aire sucio.
2. Sin combustible.
3. Combustible rancio.
4. Agua en el combustible.
5. Alambre de la bujía desconectado. 5. Conecte el alambre a la bujía.
6. Bujía mala.
7. Cuchilla suelta o adaptador
de la cuchilla quebrado.
8. Barra de control en la
posición suelta.
9. Barra de control defectuosa.
10. Válvula del combustible (si equ-
ipada) está en la posición OFF.
11. Batería débi (si equipada).
12. Desconecte el conector
de la batería (si equipada).
• Si es posible, guarde su unidad en un recinto
cerrado y cúbrala para protegerla contra el
polvo y la mugre.
• Cubra su unidad con un forro protector
adecuado que no retenga la humedad. No
use plástico. El plástico no puede respirar, lo
que permite la formación de condensación,
lo que producirá la oxidación de su unidad.
IMPORTANTE: Nunca cubra la segadora
mientras el motor y las areas de escape todavia
estan calientes.
PRECAUCIÓN: Nunca almacene la
segadora con gasolina en el estanque dentro
de un edifi cio en donde los gases pueden
alcanzar una llama expuesta o una chispa.
Permita que se enfríe el motor antes de
almacenarla en algún recinto cerrado.
CORRECCIÓN
1. Limpie/cambie el fi ltro de aire.
2. Llene el estanque de combustible.
3. Vaciar el estanque y vuelva a
llenarlo con combustible limpio
y nuevo.
4. Vaciar el estanque y vuelva a
llenarlo con combustible limpio
y nuevo.
6. Cambie la bujía.
7. Apriete el perno de la cuchilla
cambie el adaptador de la cuchilla.
8. Presione la barra de control
hacia el mango.
9. Cambie la barra de control.
10. Gire a la válvula del combustible
a la posición ON.
11. Cague la batería.
12. Conecte la batería al motor.
32
1. Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with plug.
2. Remove engine oil cap; lay aside on a
clean surface.
3. Tip lawn mower on its side as shown
and drain oil into a suitable container.
Rock lawn mower back and forth to re-
move any oil trapped inside of engine.
Container
4. Wipe off any spilled oil from lawn
mower or side of engine.
5. Slowly pour oil down the oil fi ll spout,
stopping every few ounces to check the
oil level with the dipstick.
6. Stop adding oil when you reach the
FULL mark on the dipstick. Wait a
minute to allow oil to settle.
7. Continue adding small amounts of oil,
rechecking the dipstick until oil level
settles at FULL. DO NOT overfi ll, or
engine will smoke heavily from the muf-
fl er on startup.
8. Always be sure to retighten oil dipstick
before starting engine.
9. Re con nect spark plug wire to plug.
AIR FILTER
Your engine will not run properly and may
be damaged by using a dirty air fi lter.
Replace the air fi lter every 100 hours of
operation or every season, whichever oc-
curs fi rst. Service air cleaner more often
under dusty conditions.
TO CLEAN AIR FILTER
1. Remove cover.
2. Carefully remove cartridge.
3. Clean by gently tapping on a fl at sur-
face. If very dirty, replace cartridge.
Cartridge
Slot
Back plate
Cover
CAUTION: Petroleum solvents, such
as ker o sene, are not to be used to clean
car tridge. They may cause de te ri o ra tion
of the cartridge. Do not oil car tridge. Do
not use pres sur ized air to clean or dry
car tridge.
4. Install cartridge, then replace cover.
MUFFLER
Inspect and replace corroded muffl er as it
could create a fi re hazard and/or dam age.
SPARK PLUG
Replace spark plug at the beginning of
each mowing season or after every 100
hours of operation, whichever occurs
fi rst. Spark plug type and gap setting
are shown in the "PROD UCT SPEC I FI C-
A TIONS" section of this manual.
IN-LINE FUEL FILTER
The fuel fi lter should be replaced once
each season. If fuel fi lter becomes
clogged, ob struct ing fuel fl ow to car bu -
re tor, re place ment is re quired.
1. With engine cool, remove fi lter and
plug fuel line sec tions.
2. Place new fuel fi lter in position in fuel line
with arrow pointing towards carburetor.
3. Be sure there are no fuel line leaks
and clamps are properly positioned.
4. Immediately wipe up any spilled gasoline.
Clamp
Fuel
Filter
CLEANING
IMPORTANT: For best performance,
keep mower housing free of built-grass
and trash. Clean the underside of your
mower after each use.
CAUTION: Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with spark plug.
• Clean the underside of your lawn
mower by scraping to remove build-up
of grass and trash.
• Clean engine often to keep trash from
accumulating. A clogged engine runs
hotter and shortens engine life.
• Keep fi nished surfaces and wheels free
of all gasoline, oil, etc.
• We do not recommend using a garden
hose to clean lawn mower unless the
elec tri cal system, muffl er, air fi lter and
carburetor are covered to keep water
out. Water in engine can result in short-
ened engine life.
13
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