Manuals / Sears / Lawn and Garden / Snow Blower

Sears 486.248463 Service and Adjustments, Replacing Auger Belt, Lift Release Cable Adjustment

Models: 486.248463

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SERVICE AND ADJUSTMENTS

CAUTION: Before servicing or adjusting the snow thrower, shut off the engine, remove the spark plug wire(s), set the parking brake and remove the key from the tractor ignition.

REPLACING AUGER BELT

•Raise the snow thrower to the transport position.

•Release the spring tension on the drive belt idler.

•Release the spring tension on the auger belt idler.

•Remove the belt cover and loosen the belt keeper bracket (items 18 and 19 on page 20).

•Remove the auger belt from the clutch/idler assembly and from the spiral auger housing.

•Install new belt around top of auger drive pulley and underneath the two side idler pulleys. Twist the belt 1/4 turn to seat it in each idler pulley.

•Reinstall the belt cover and tighten the belt keeper bracket (items 18 and 19 on page 20).

•Assemble the belt onto the clutch/idler assembly as instructed for fi gure 23 on page 13.

LIFT RELEASE CABLE ADJUSTMENT

•If the lift rod does not lock the snow thrower securely in the transport position, loosen the upper hex nut on the lift bracket a few turns and tighten the lower hex nut. See fi gure 17 on page 10.

•If the lift rod fails to unlock completely to lower the snow thrower to the ground, loosen the lower hex nut on the lift bracket a few turns and tighten the upper hex nut. Refer to fi gure 17 on page 10.

SPIRAL AUGERS

•The spiral augers are secured to the auger shaft with two shear bolts and hex lock nuts. If you hit a foreign object or if ice jams the augers, the snow thrower is designed so that the bolts will shear.

•If the augers will not turn, check to see if the shear bolts have sheared. See fi gure 27. Two replacement shear bolts and hex lock nuts have been provided with the snow thrower. For future use order part number 710-0891 shear bolt and number 43064 hex lock nut.

SKID SHOE, LEVELING SHOE ADJUSTMENT

(The snow thrower must be attached to the tractor for correct adjustment of the shoes.)

•The skid shoes regulate the distance the scraper plate is raised above the plowing surface. They are mounted on each side of the spiral auger housing. The leveling shoes help maintain the snow thrower in a level position. They are mounted just behind the auger housing.

•When removing snow from a gravel driveway or an uneven surface, it is advisable to keep the scraper plate as high above the surface as possible to prevent possible damage to the spiral auger. On a smooth blacktop or concrete surface, keep the scraper plate as close to the surface as possible.

•To adjust the skid shoes, raise the snow thrower off the ground and place a wood block under each end of the scraper plate. Loosen the six hex nuts securing the skid shoes to the housing. Adjust the skid shoes up or down to the desired position and tighten the nuts securely. Both skid shoes should be the same height to keep the housing and the scraper plate level. See fi gure 28.

•The skid shoes may be turned to face either in or out. In order to obtain the lowest setting, where the scraper blade fully contacts the ground, the skid shoes must be facing out as shown in fi gure 28.

•Before adjusting the leveling shoes, make sure the skid shoes are properly adjusted. With the snow thrower in the lowered position, loosen the bolts which fasten the leveling shoes to the thrower and adjust the leveling shoes to solidly contact the ground. Retighten the bolts. See fi gure 28.

LEVELING SHOE

WOOD BLOCK

SKID SHOE

FIGURE 28

FIGURE 27

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Sears 486.248463 owner manual Service and Adjustments, Replacing Auger Belt, Lift Release Cable Adjustment, Spiral Augers
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486.248463 specifications

The Sears 486.248463 is a notable piece of computing history, representing the transitional phase in personal computing during the early 1990s. This device embodies the era when home and office computers began to embrace more advanced capabilities, driven largely by the evolution of processor technology and user requirements.

At the heart of the Sears 486.248463 is the Intel 486 processor, a significant leap from its predecessors. This microprocessor, which debuted in 1989, introduced a new level of performance, allowing users to handle more complex applications and multitasking functions seamlessly. The 486 architecture included an integrated floating-point unit, enhancing its ability to perform mathematical calculations, which was particularly beneficial for graphic design and engineering applications.

The Sears 486.248463 boasts a robust memory capacity, typically equipped with 4 to 16 MB of RAM, allowing for efficient operation of various software applications. This level of RAM was innovative for its time, providing users the ability to run multiple programs concurrently without experiencing slowdowns. Additionally, the system could support hard drives ranging from 120 MB to 1 GB, catering to the growing need for data storage as software applications became more sophisticated.

Another key feature of this model was its compatibility with DOS and early Windows operating systems. Users could enjoy a graphical user interface while leveraging the power of DOS-based applications, marking a significant shift in user experience. The Sears 486.248463 also included expansion slots, which allowed for upgrades and customization. Users could add additional memory or enhance graphics capabilities, reflecting the growing trend of personalized computing.

Graphics capabilities were enhanced through the inclusion of VGA support, delivering improved visual fidelity for both productivity applications and gaming. The resolution provided by VGA allowed for clearer images and more vibrant colors, making it suitable for a variety of multimedia tasks.

In terms of connectivity, the Sears 486.248463 featured standard serial and parallel ports, enabling connections to printers, modems, and other peripherals. This flexibility made it a suitable choice for both home users and small business environments.

Overall, the Sears 486.248463 stands as a representative of its time, showcasing key technologies and characteristics that laid the foundation for modern personal computing. Its combination of performance, expandability, and compatibility highlights how far technology has come and the significant milestones achieved throughout computing history.