J 7872 Magnetic Base Dial Indicator
Warning: Refer to Safety Glasses Warning in the Preface section.
• | Excessive scoring or pitting |
• | Discoloration from overheating |
• | Deformation from excessive wear, especially the camshaft lobes |
• | If the diameter is smaller than 26.948 mm (1.061 in), replace the camshaft. |
• | If the out-of-round exceeds 0.022 mm (0.0009 in), replace the camshaft. |
8.1. | Place the J 7872 dial at zero. |
8.2. | Rotate the camshaft until the indicator tip is at the highest point on the lobe. This reading is the lift (3) of the camshaft lobe. Refer to Engine Mechanical Specifications. |
8.3. | If the indicated measurement is significantly lower than these specifications, replace the camshaft or engine performance will be reduced. |