Bolens 550, 750 manual Operating Your Snow Thrower

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Shift Lever

The shift lever is located in the center of the handle panel and is used to determine both ground speed and direction of travel. It can be moved into any of eight positions. See Figure 7.

Forward

Your snow thrower has six forward (F) speeds. Position number one (1) is the slowest. Position number six (6) is the fastest.

Reverse

Your snow thrower has two reverse (R) speeds. R1 is the slower, while R2 is the faster of the two.

IMPORTANT: Always release tractional control before changing speeds.

Chute Directional Control

The chute directional control is located on left side of the snow thrower. See Figure 7.

To change the direction in which snow is thrown, turn chute directional control as follows:

•Crank clockwise to discharge to the left.

•Crank counterclockwise to discharge to the right.

Chute Tilt Control

The distance snow is thrown can be adjusted by

adjusting the angle of the chute assembly. Move the chute tilt control forward to decrease the distance and toward the rear to increase the distance. See Figure 7.

Headlight

The headlight is on whenever the engine is running.

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 7.

Safety Ignition Key

The ignition key must be inserted in the switch before the unit will start. Remove the ignition key when snow thrower is not in use. See Figure 7.

Throttle Control

The throttle control is located on the engine. It regulates the speed of the engine. See Figure 7.

Fuel Shut-Off Valve (If Equipped)

The fuel shut-off valve, located under fuel tank, control fuel flow from tank. See Figure 7.

SECTION 4: OPERATING YOUR SNOW THROWER

Before Starting

To Start Engine

WARNING: Read, understand, and follow all instructions and warnings on the machine and in this manual before operating.

Gas And 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 machine indoors or while the engine is hot or running. Extinguish cigarettes, cigars, pipes an 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.

NOTE: If unit shows any sign of motion (drive or augers) with the clutch grips disengaged, shut engine off immediately. Readjust as instructed in the Final Adjustments in the Assembly Section.

•Attach spark plug wire to spark plug. Make certain the metal loop on end of the spark plug wire (inside the boot) is fastened securely over the metal tip on the spark plug.

•Make certain the fuel cutoff valve is in the OPEN (vertical position). See Figure 7.

•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. See Figure 7. Be certain it snaps into place. Do not turn key.

NOTE: Engine will not start unless ignition key is inserted into ignition slot in carburetor cover.

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Contents OPERATOR’S Manual Table of Contents Important Safe Operation Practices TrainingPreparation OperationMaintenance And Storage Your ResponsibilityAssembly Assembling Your Snow ThrowerUnpacking Loose PartsFinal Adjustments Auger Control AdjustmentSkid Shoe Adjustment Traction Control and Shift Lever AdjustmentKnow Your Snow Thrower Auger Drive ControlOperating Your Snow Thrower Electric Starter If Equipped Recoil StarterTo Stop Engine To Engage DriveSkid Shoe Adjustment Chute Assembly AdjustmentAuger Control Adjustment Chute Directional Control And Support Bracket AdjustmentShift Rod Adjustment Drive WheelsMaintaining Your Snow Thrower LubricationService Belt Removal And ReplacementEngine AugersServicing Friction Wheel Rubber Drive BeltOff-season Storage Troubleshooting Problem Cause RemedyModels 550 Part DescriptionDrive Clutch Cable Auger Clutch Blower Housing Models 550 Models 550 710-0604 Models 550 748-0360 Pulley 26 -0654A Hex Washer Screw 3/8-16 x 629-0071 Light ass’y Model 550 Page Page MANUFACTURER’S Limited Warranty for

750, 550 specifications

The Bolens 750 and 550 are robust garden tractors renowned for their reliability and performance in lawn care and gardening tasks. Designed for both amateur and professional gardeners, these machines provide an exceptional blend of power and versatility.

The Bolens 750 features a powerful engine, typically a 17-20 HP Briggs & Stratton or Kohler, known for their durability and efficient fuel consumption. This tractor is fitted with a hydrostatic transmission system, which ensures smooth operation and ease of use. The hydrostatic system allows the user to control speed and direction effortlessly, making it an ideal choice for navigating tight spaces and varied terrains.

On the other hand, the Bolens 550 offers a slightly lower horsepower, usually around 15 HP, but maintains many of the same core features found in its counterpart. The 550 is designed for users who may need a more compact option without sacrificing performance. Both tractors have a rugged steel frame construction, ensuring longevity and strength, even when subjected to heavy-duty tasks.

A major highlight of both models is their cutting deck, available in various sizes, from 42 inches up to 54 inches. The adjustable cutting height feature allows users to set the desired grass length, providing flexibility for different lawn types and personal preferences. The side discharge option efficiently handles grass clippings, while mulch kits are also available for those who prefer returning nutrients to the soil.

One significant technological advancement in the Bolens 750 and 550 models is their ergonomic design. The comfortable seating, well-placed controls, and easy access points for maintenance make these tractors user-friendly. With a tight turning radius, they excel in maneuverability, making them suitable for properties with intricate landscaping.

Moreover, both tractors come equipped with standard rear and front hitch capabilities, allowing for the attachment of various accessories, such as snow plows, tillers, and aerators. This versatility makes them indispensable tools for year-round yard care and maintenance.

In summary, the Bolens 750 and 550 stand out with their powerful engines, innovative features, and rugged build quality. They cater to a variety of gardening and landscaping needs, offering users unmatched reliability and efficiency in their outdoor tasks. Whether you are tackling expansive gardens or compact lawns, these tractors deliver performance that can help transform any landscape with ease and precision.
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