LST522 (Type 1) Black and Decker Trimmer - Overview
Diagrams for LST522
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Screw
Part #681914-00
Genuine Black and Decker replacement part, this item is sold individually. This screw is used to secure the line cutting blade located on the trimmer guard on the models shown below. Depending on the model you have you may need one or two of these.
Screw
Part #747329
This replacement screw is a genuine OEM supplied item that is designed for use with Black and Decker and Dewalt power equipment. It has multiple uses depending on your unit, for correct application please make sure to check appropriate diagrams. It is made from durable metal and it is sold individually.
Spool Assembly
Part #AF-100
Keep your trimming jobs quick and hassle-free with this genuine Black & Decker replacement spool. Designed for use with select string trimmer models, this part includes both the spool and pre-wound .065 gauge cutting line, making it easy to swap out and get back to work.
This component houses the cutting line that trims grass and weeds...Read more, and it's sold individually. Replacing it is simple—just remove the spool cover, place the new spool inside the housing, feed a bit of line through the opening, and snap the spool cap back into place. No tools are required, and installation takes just minutes.
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CHARGER
Part #90640340
This is a genuine manufacturer-sourced charger, designed for use with select Black & Decker power tools. Sold individually, this OEM replacement part offers a cost-effective solution for restoring your tool’s charging capability—often far less expensive than purchasing a new tool. However, it's important to note that using a weak or defec...Read moretive battery can damage the charger. Batteries with bad cells may fail to hold a charge and continuously signal the charger to keep charging, which can lead to overheating and, in some cases, cause the charger to smoke. To protect your charger and ensure safe operation, always pair it with a healthy
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COVER SPOOL
Part #385022-03N
This genuine OEM replacement spool cover is specifically designed for use with Craftsman trimmers and edgers. Its primary function is to secure the spool and cutting line within the cutter head assembly, ensuring smooth and safe operation during trimming tasks. Made from high-quality plastic, this durable cover is built to withstand regul...Read morear use and outdoor conditions. Replacing the cover is quick and easy—simply press the two upper tabs to release it from the spool housing, then snap the new one into place. This part is sold individually, and for best results, refer to your tool’s owner’s manual or parts diagram to confirm compatibility.
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BLADE
Part #90559116
This item is an authentic Black and Decker replacement part that has been sourced from the original manufacturer to be used with trimmers. The metal blade attaches to the grass guard and is used to cut excess line to prevent damage to the guard. This item is priced as the blade only, please note the hardware is separate.
SA GUARD, 12, NA
Part #90560170N
Genuine OEM replacement part used on Black and Decker String Trimmers. This part is made out of Plastic and it is Sold Individually. This part helps to direct grass trimmings away from the user as well as provide protection from the cutting string while unit is in operation. To attach the Guard follow simple steps. • Turn the trimmer...Read more upside down so that you are looking down at the spool cap. • Turn the guard upside down and slide it onto the motor housing. Make sure the tabs on the guard engage the ribs on the motor housing. • Continue to slide the guard on until you hear it "snap" into place. • Using a Phillips Screwdriver, insert the guard screw to complete the guard assembly.
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SPRING, SPOOL COVER
Part #90566944
Genuine Black and Decker replacement part, this item is sold individually. The purpose of the 90566944 Spring is to hold the spool in place on the Trimmer shown below. It is placed between the spool and the spool cover. The cover snaps into the spool housing by means of the two tabs on both sides of the cover.
SA LEVER, SINGLE LINE, 12
Part #90567077
This is a genuine Black and Decker replacement part, it is sold individually. The purpose of the 90567077 Lever Assembly, is to regulate the amount of line that is fed from the auto-feed spool. This part has a tendency to wear out often. It is advised to have an extra one on hand.
SA EDGE WHEEL
Part #90624612
AUX HANDLE
Part #90625191
Common Symptoms of the LST522
How this model fails, and the parts that fix it.