Bolens 550, 750 manual Servicing Friction Wheel Rubber, Drive Belt

Page 14

NOTE: Loosening the six nuts that connect the frame to the auger housing may aid in belt removal.

Lift the auger belt from the auger pulley, and slip belt between the support bracket and the auger pulley. See Figure 18.

Replace the auger drive belt by following instructions in reverse order.

 

 

Friction

 

 

Wheel

Support

 

Support

Bracket

 

Bracket

 

 

Spring

Auger Pulley

 

Auger

Idler Spring

Housing

 

 

 

Friction

 

 

Wheel

 

Drive Plate

 

 

Stop Bolt

 

 

Support Bracket

 

Auger Pulley

 

 

Figure 18

Drive Belt

Follow the first four steps of the instructions for servicing the auger belt.

Pull idler pulley up and lift belt off engine pulley and friction wheel disc. See Figure 17.

Back out the stop bolt until the support bracket rests on the auger pulley. See Figure 18.

Slip belt between friction wheel and friction wheel disc. Remove and replace belt.

Reassemble following the instructions in reverse order.

NOTE: The support bracket must rest on the stop bolt after the new belt has been assembled. See Figure 18.

Servicing Friction Wheel Rubber

The rubber on the friction wheel is subject to wear and should be checked after 25 hours of operation, and periodically thereafter. Replace the friction wheel rubber if any signs of wear or cracking are found.

Drain the gasoline from the snow thrower.

Tip the snow thrower up and forward, so that it rests on the housing. See Figure 19.

Hex Nut &

Bell Washer

Figure 19

Remove six self-tapping screws from the frame cover underneath the snow thrower.

Remove the click pins which secure the wheels, and remove the wheels from the axle.

Using a 7/8" wrench to hold the shaft, loosen, but do not completely remove, the hex nut and bell washer on the left end of gear shaft.

Lightly tap the hex nut to dislodge the ball bearing from the right side of frame before removing the hex nut and bell washer from left end of shaft.

Move the gear shaft to the right and slide the friction wheel assembly from the shaft.

Remove the six screws from the friction wheel assembly (three from each side). Remove the friction wheel rubber from between the friction wheel plates. See Figure 20.

Screws

Friction Wheel Rubber

Hub

Screws

Friction Wheel Plates

Figure 20

14

Image 14
Contents OPERATOR’S Manual Table of Contents Preparation Important Safe Operation PracticesTraining OperationMaintenance And Storage Your ResponsibilityUnpacking AssemblyAssembling Your Snow Thrower Loose PartsSkid Shoe Adjustment Final AdjustmentsAuger Control Adjustment Traction Control and Shift Lever AdjustmentKnow Your Snow Thrower Auger Drive ControlOperating Your Snow Thrower To Stop Engine Electric Starter If EquippedRecoil Starter To Engage DriveAuger Control Adjustment Skid Shoe AdjustmentChute Assembly Adjustment Chute Directional Control And Support Bracket AdjustmentShift Rod Adjustment Drive WheelsMaintaining Your Snow Thrower LubricationEngine ServiceBelt Removal And Replacement 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.