317-586-031 (1987) MTD Snow Blower - Overview

This carriage bolt measures 5/16-18 x .75 and fastens two parts in your machine together. It has a round domed head and a square underside so the bolt does not rotate once it has been secured into place. If it has signs of deformation or wear, you will need to replace it. To unthread this bolt, you need an adjustable wrench to loosen the ...Read morenut found on the end of the bolt. You may need to apply a lubricating oil to the bolt if it is stuck. You may need to clamp down on the head of the bolt with pliers while continuing to turn the nut counterclockwise. You can then slide the carriage bolt out of its hole or tap it gently with a hammer. This bolt is a standalone product and the nut is not included. This bolt was sourced directly from its manufacturer.

This is a shear bolt, also known as a snap-off bolt. This is a fastener designed to break under a specific amount of pressure and protect the machine it is installed on from that excessive load. In lawn equipment, the shear bolts typically connect the auger or blade to the drive shaft. Therefore, if the bolt snaps, the auger gets jammed a...Read morend cannot rotate so that it will not damage the rest of the unit. This bolt has a diameter of 5/16 inches, with 18 threads per inch, and is 1.5 inches long. To remove the shear bolt from your machine, you need to turn the power off first. With pliers or a wrench, grip onto the broken end of the bolt and twist it gently out of its hole. If it is stuck, you may need to coat the bolt with a penetrating oil or tap the bolt out with a mallet. Since this authentic OEM part is sold individually, refer to your instruction manual so that you can purchase the correct number of bolts for your machine.

Sourced directly from the original manufacturer, this Bell Washer is made of gold-colored metal and is sold individually, not as part of a kit or assembly. It is used to provide spacing between various part assemblies along a shaft. If you hear a strange noise coming from the shaft area, or you notice the Washer is visibly worn or damag...Read moreed, it will need to be replaced. Refer to your owners manual to determine the exact location of this part. Customers rate the difficulty of this repair as Medium.

This Star Knob, which may also be simply referred to as a Knob, is sourced directly from the manufacturer for use in lawn mowers and snow blowers. This part provides a quick-release for handles to fold down, and connect upper and lower handles. It is made of metal, is black, is not part of a kit or assembly, and is sold individually. Th...Read moreis part will need to be replaced if it has become cracked, worn, or damaged. The most common cause for this part needing to be replaced is worn or stripped threads no longer being able to grip. You will need a wrench or socket set and a torque wrench to complete this repair. It should be torqued to the manufacturer's recommendation. Customers rate this repair as Easy.

It is a genuine item that is supplied by the original manufacturer for use with a variety of lawn and garden equipment. A washer is a special part which helps to provide a tight fit between connected components. It is a standard hardware which may have multiple applications. This part provides an identical replacement for a damaged or a m...Read moreissing hardware that was installed on a new unit. Check the diagrams for your specific model for the exact location and the correct application of this flat washer. Note, it is made of durable metal and is sold individually.

This hex bolt is a genuine OEM fastener used in various lawn and garden equipment and machinery. It has a hexagonal shaped head, with a diameter of 3/8 inches. The bolt shaft is 1.5 inches long with 24 threads per inch. The hexagon shape makes the bolt easier to grip and tighten using a wrench or a set of pliers. Over time, it is normal f...Read moreor the bolt to crack, corrode, or for the shaft threads to wear down. Inspect all the bolts on your equipment and replace all those that show visible signs of wear. Use a socket wrench to remove the faulty bolt(s) and thread the new one into position. Each bolt is sold individually. Secure it with a wrench or pliers and be careful not to over tighten as this could damage the bolt and equipment.

This Bell-Wash Flat Washer is an OEM part that measures .40 inches I.D. x 88 inches O.D. This washer is a silver, metal, washer sold individually. This part is rated as Easy to install by customers. If missing or damaged (likely due to fatigue) it should be replaced. Refer to your owners manual to ensure this is the correct part for you.

This is a genuine replacement part sourced from the original manufacturer for use with lawn and garden power equipment. The truss machine screw is used with several different types of machines and the application of the screw can vary based on the model of equipment. This screw is sold as an individual replacement part, please see illustrated part list for the screws location and usage.