Troy-Bilt 721 Operating Your Snow Thrower, Before Starting, Gas and Oil Fill-Up, To Start Engine

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.

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.

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.

		Press auger
		control handle
		to engage
		auger
Turn handle
to change
discharge		Recoil
direction	Primer
		Starter
	Key
		Electric
	Choke	Starter
	Lever

Spark Plug Access

Figure 6

•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.

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