ENGINE 66 B. REPAIR DATA CAM SHAFT Cam shaft journal and bearing bore dimensions Size Cam shaft bearing bore dia. in cylinder head (mm) Cam shaft bearing journal dia. in cylinder head (mm) dia. Standard 24 H 7 24f7 Standard 1 24.1H7 24.1f7 Bore dia in 1st and 3rd cap for front oil seal(mm) Ø 32 F 7 Max. permissible run out of cam shaft bearing journal (mm) 0.02 Max. permissible axial play of cam shaft in installed condition (mm) 0.18 - 0.25 Run out of oil seal mating dia.(mm) 0.02 INSPECTION 1. Examine the belt for worn or frayed tooth fabric. 2. Look for worn, cracked or missing teeth and cracks between the teeth. 3. Fibers protruding from the belt. 4. Small holes in the belt. 5. Cracks, grooves or scratches in the back of the belt. 6. Signs of belt overheating. 7. Any evidence of oil or antifreeze on the belt. 8. Check the integrity of all sprockets and remove all contaminates from the grooves. 9. Check the idler/tensioner and bearing assembly for wear and run-out. CAUTION Do not bend, flex or twist the belt beyond normal belt travel as belt cord can be damaged.
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