[header] How to fix a garbage disposal [title] Locate your garbage disposal's operating manual, if you can. [step] It can instruct you on recommended garbage disposal repairs and give you a diagram of the disposal before you take anything apart. [title] Find the hex wrench that came with the disposal. 
[step] This tool is usually kept near the disposal for small repairs. [substeps] A hex wrench is a small, thin metal tool.