Bolens 642F Manuales De Servicio

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11
Safety Ignition Key
The safety ignition key must be fully inserted in the 
switch before the unit will start. Remove the ignition key 
when the snow thrower is not in use. See Figure 14.
IMPORTANT:
 Do NOT attempt to turn the key.
Skid Shoe
The position of the skid shoe is determined by the 
condition of the ground from where snow has to be 
removed. See Figure 14.
Throttle Control
The throttle control is located on the engine. It regulates 
the speed of the engine and will shut off the engine 
when pushed down completely. See Figure 14
SECTION 5:  OPERATING YOUR SNOW THROWER
Before Starting
WARNING: 
Read, understand, and
follow all instructions and warnings on the
machine and in this manual before
operating
Gas & Oil Fill-Up 
Service the engine with gasoline and oil as 
instructed in the separate engine manual packed with 
your snow thrower. Read instructions carefully.
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
.
A plastic cup is provided inside the fuel fill opening 
on the fuel tank. Remove and discard this cup 
before filling up the tank. Use the separate fuel tank 
cap to close after fill-up.
To Start Engine
Attach spark plug wire to spark plug. Make certain 
the metal loop on the end of the spark plug wire 
(inside the boot) is fastened securely over the metal 
tip on the spark plug. 
Make certain the auger and drive clutch levers are 
in the disengaged (released) position.
Move throttle control up to FAST position. Insert 
ignition key into slot. Make sure it snaps into place. 
Do not turn key
.
NOTE: 
Engine will not start unless ignition key is
inserted into ignition slot in carburetor cover. 
Electric Starter 
(If Equipped)
 
Determine that your house wiring is a three-wire 
grounded system. Ask a licensed electrician if you 
are not certain. 
If your house wiring system is not a three-wire 
grounded system, do not use this electric starter 
under any conditions.
WARNING: 
The optional electric starter
is equipped with a grounded three-wire
power cord and plug, and is designed to
operate on 120 volt AC household current.
It 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
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.
If you have a grounded three-prong receptacle, 
proceed as follows. 
Rotate choke knob to OFF position and do not 
prime engine.
Connect power cord to switch box on engine. 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 knob 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.
When disconnecting the power cord, always unplug 
from the three-prong receptacle first and then from 
the snow thrower.
Recoil Starter
Rotate choke knob to FULL choke position (cold 
engine start). If engine is warm, place choke in OFF 
position instead of FULL.
Push primer button two or three times for cold 
engine start. If engine is warm, push primer button 
only once.
NOTE: 
Always cover vent hole in primer button when