Excess Decay

Inspect tone wheel for damage (chipping or cracking) at wheels that display unequal speed. If tone wheel is damaged, replace tone wheel. Perform TEST VER-1A. If tone wheel is okay but tooth count does not match tooth count of opposite wheel, replace tone wheel. Perform TEST VER-1A. If tone wheel is okay and tooth counts match, replace CAB. Perform TEST VER-1A.