Caution: Wear safety glasses in order to avoid eye damage.
• | Worn teeth (1) |
• | Damaged teeth (2) |
• | Chipped teeth (3) |
• | Worn valleys between the sprocket teeth |
• | Loose metal inserts (1) |
• | Cracking (2) in the chain contact area |
• | Excessive grooves (3) in the chain contact area |
• | Grooves 1 mm (0.040 in) or less in depth are to be considered normal wear. |