Bolens 721 서비스 매뉴얼
7
SECTION 4: OPERATING YOUR SNOW THROWER
Before Starting
•
The spark plug wire was disconnected for safety.
Attach spark plug wire to spark plug before starting.
Attach spark plug wire to spark plug before starting.
Gas and Oil Fill-Up
•
Check oil and gasoline level and add if necessary.
Follow related instructions in the separate engine
manual packed with your snow thrower.
Follow related instructions in the separate engine
manual packed with your snow thrower.
To Start Engine
•
Insert ignition key into slot. Turn key to ON position
.
•
Now follow the instructions below as it pertains to
your unit. See Figure 4 for location of controls.
your unit. See Figure 4 for location of controls.
Electric Starter
Figure 4
•
The electric starter is equipped with a grounded
three-wire power cord and plug, and is designed to
operate on 120 volt AC household current.
three-wire power cord and plug, and is designed to
operate on 120 volt AC household current.
•
Determine that your house wiring is a three-wire
grounded system. Ask a licensed electrician if you
are not certain.
grounded system. Ask a licensed electrician if you
are not certain.
•
If your home wiring system is not a three-wire
grounded system, do not use this electric starter
under any conditions.
grounded system, do not use this electric starter
under any conditions.
•
If your home electrical system is grounded, but
a three-hole receptacle is not available, one should
be installed by a licensed electrician before using
the electric starter.
a three-hole receptacle is not available, one should
be installed by a licensed electrician before using
the electric starter.
•
If you have a grounded three-prong receptacle,
proceed as follows.
proceed as follows.
•
Move Choke Control to “Full” position.
•
Push Primer three (3) times, making sure to cover
vent hole when pushing.Connect power cord to
switch box on dash panel. Plug the other end of
power cord into a three-prong 120-volt, grounded,
AC receptacle.
vent hole when pushing.Connect power cord to
switch box on dash panel. Plug the other end of
power cord into a three-prong 120-volt, grounded,
AC receptacle.
•
Push starter button to crank engine. As you crank
the engine, move choke lever to FULL choke
position.
the engine, move choke lever to FULL choke
position.
•
When engine starts, release starter button, and
move choke gradually to OFF. If engine falters,
move choke immediately to FULL and then
gradually to OFF.
move choke gradually to OFF. If engine falters,
move choke immediately to FULL and then
gradually to OFF.
•
When disconnecting the power cord, always unplug
from the three-prong receptacle first, and then from
the snow thrower.
from the three-prong receptacle first, and then from
the snow thrower.
Recoil Starter
•
Move choke lever to FULL choke position (cold
engine start).
engine start).
•
If engine is warm, place choke in OFF position
instead of FULL.
instead of FULL.
•
Push primer button two or three times for cold
engine start.
engine start.
•
If engine is warm, push primer button only once.
NOTE: Always cover vent hole in primer button when
pushing. Additional priming may be necessary for first
start if temperature is below 15 degrees Fahrenheit.
pushing. Additional priming may be necessary for first
start if temperature is below 15 degrees Fahrenheit.
•
Grasp starter handle and pull rope out slowly, until
it pulls slightly harder. Let rope rewind slowly.
it pulls slightly harder. Let rope rewind slowly.
•
Pull starter handle rapidly. Do not allow handle to
snap back. Allow it to rewind slowly while keeping a
firm hold on the starter handle.
snap back. Allow it to rewind slowly while keeping a
firm hold on the starter handle.
•
As engine warms up and begins to operate evenly,
rotate choke lever slowly to OFF position. If engine
falters, return to FULL choke, then slowly move to
OFF position.
rotate choke lever slowly to OFF position. If engine
falters, return to FULL choke, then slowly move to
OFF position.
WARNING:
Read, understand, and follow all
instructions and warnings on the machine and
in this manual before operating.
in this manual before operating.
WARNING:
Use extreme care when
handling gasoline. Gasoline is extremely
flammable and the vapors are explosive. Never
fuel the machine indoors or while the engine is
hot or running. Extinguish cigarettes, cigars,
pipes and other sources of ignition.
flammable and the vapors are explosive. Never
fuel the machine indoors or while the engine is
hot or running. Extinguish cigarettes, cigars,
pipes and other sources of ignition.
WARNING:
The electric starter must be
used with a properly grounded three-prong
receptacle at all times to avoid the possibility of
electric shock. Follow all instructions carefully
prior to operating the electric starter.
receptacle at all times to avoid the possibility of
electric shock. Follow all instructions carefully
prior to operating the electric starter.
Press auger
control handle
to engage
auger
control handle
to engage
auger
Recoil
Starter
Electric
Starter
Key
Spark Plug Access
Primer
Choke
Lever