Then spray it on the filmed side of the window and then cover it immediately with plastic wrap. Then wait 45 minutes, remove the wrap and use a razor blade scraper to undo the film. If the drill's in good shape, you can buy a keyless chuck replacement kit and convert it for about one-fifth the cost of a new drill. If your vacuum doesn't suck up dirt like it used to, unplug it and check these items. If the dust bag is full, it reduces suction.
Some models also have filters to keep dust out of the motor.
They need regular cleaning or replacement to maintain full pick-up power. Also the hose or wand may be blocked with debris. Finally, check all rubber drive belts and replace if needed. To repair holes in aluminum screens cut a patch slightly larger than the hole. Pull off one strand of wire on each side and bend remaining edge wires down.