Show WORN BEARINGS BEARING bl CAUSE OF NOISE NOISE t tl I in Urn When a noise occurs occur In the a Ji Ing gears It eullY be by a 8 loud oud ringing or hum hum- humming mine hum f wing sound easily eully b bede e ming sound and can time ily onAl ore oe by Yb sounding g glistening the stele with th ha 8 listening rod or caso I It t tY tor Is generallY caused bY Y and andIn bearings or pear gear ear teeth teem In neap by warping w Which In i tome some types Y Causes ell the gears to mesh Improperly p erly I l It etis et Is frequent frequently y evident the atter after e main maln bearings have been refitted 1 since tibia this may change chaDe the w r centers and tepid cause se the gear Boar te th to saran mesh hoe deeper r ore Crank or shaft cam m ent will also cau O haft shat p misalignment Improper meshing of gear tc teeth th When chains chain are a ice used noise is us us- us caused ailed by too much slack lack which permits ride the chain to rIde high on the sprockets rockets and also r strike the CASe |