(7) Abnormal wear on teeth
Initial stage:
Canvas worn (fluffy canvas fibers, rubbery texture gone white discoloration, canvas texture indistinct)
Final stage:
Canvas worn, exposing rubber (tooth width reduced)
(8) Missing teeth
2. TENSIONER PULLEY AND IDLER PULLEY
(1) Check that the pulleys turn smoothly without play an d are not abnormally noisy. Replace either or both of the pulleys if necessary.