Operating Your Snow Thrower - Troy-Bilt 521 Operator's Manual

Discharge Chute
The angle of the discharge chute controls the distance
that the snow is thrown. Tilt the discharge chute up for
greater distance; tilt down for less distance. Loosen the
hand knob on the side of the discharge chute to adjust.
Tilt the chute to the desired position, and tighten the
knob.
Choke Lever
The location of the choke lever is indicated in Figure 5
inset. You will have to use this lever to start the engine.
Push the lever all the way up to the FULL/ON position,
or all the way down to the OFF position as desired.
Primer Button
Used to inject fuel directly into the carburetor to insure
fast starts in cold weather. Follow engine manual to
prime engine.
SECTION 4: OPERATING YOUR SNOW THROWER
Before Starting
WARNING:
Read, understand, and follow all
instructions and warnings on the machine and
in this manual before operating.
• The spark plug wire was disconnected for safety.
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 seperate engine
manual packed with your snow thrower.
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.
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 6 for location of controls.
Electric Starter
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.
Ignition Key
Used to start engine. Put key in "ON" position to start
for both electric and recoil start engines. Follow starting
instructions given in the next section.
Recoil Starter
Used to manually start the engine.
Electric Starter
Used to start engine with a 120V power source
Plug for Electric Start
Requires use of a three-prong outdoor extension cord
and a 120V power source
Spark Plug Access
Spark plug located under the access cover.
Turn handle
to change
discharge
direction
• 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.
• Determine that your house wiring is a three-wire
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.
• 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.
7
Press auger
control handle
to engage
auger
Recoil
Primer
Starter
Key
Electric
Starter
Choke
Lever
Spark Plug Access
Figure 6