Check your drill vents to see if there is anything stuck in them. If there is, clear it out before turning it back on. If not, it's probably your carbon brushes wearing out. Check the vents to see if there are sparks when you turn the drill on. Sparks means you're good, no sparks means the brushes need to be replaced.
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Check your drill vents to see if there is anything stuck in them. If there is, clear it out before turning it back on. If not, it's probably your carbon brushes wearing out. Check the vents to see if there are sparks when you turn the drill on. Sparks means you're good, no sparks means the brushes need to be replaced. Check the troubleshooting page for more info: [https://www.ifixit.com/Wiki/DeWalt_DW997_Troubleshooting|Troubleshooting]
Check your drill vents to see if there is anything stuck in them. If there is, clear it out before turning it back on. If not, it's probably your carbon brushes wearing out. Check the vents to see if there are sparks when you turn the drill on. Sparks means you're good, no sparks means the brushes need to be replaced.