What causes strange sense of smell? Smell disorders have many causes including illness such as upper respiratory infection, injury, polyps in the nasal cavities, sinus infections, hormonal disturbances, dental problems, exposure to certain chemicals such as insecticides and solvents, some medicines, and radiation due to head and neck cancers. Why do things smell bad all of a sudden? Brief episodes of phantom smells or phantosmia — smelling something that's not there — can be triggered by temporal lobe seizures, epilepsy, or head trauma. Phantosmia is also associated with Alzheimer's and occasionally with the onset of a migraine. What does it...

How do you change the timing pin on a camshaft? Timing belt upper cover [2] . Blanking plug from cylinder block [3] . Turn crankshaft clockwise until just before TDC on No.1 cylinder. Ensure timing marks on camshaft sprockets at 11 o’clock position. Insert crankshaft timing pin [4] . Tool No.303-748. Turn crankshaft slowly clockwise until it stops against timing pin. Where do you put the timing pin on a mower? Put timing pin in the hole where you took bolt from (number 1, shown in drawing 4). If you turn the crank bolt anticlockwise literally 1/16 of a turn,...