Camshaft
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| Illustration 1 | g01427361 |
(1) The end of the camshaft that is marked "F" must be placed at the front of the engine. Lubricate the camshaft bearings, the journals, and the lobes with a 50/50 mixture of 8T-2998 Lubricant and clean engine oil.
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| Illustration 2 | g01416694 |
(2) Exhaust lobe (3) Injector lobe (4) Inlet lobe | |
(A) Diameter of the camshaft journal ... 84.85 ± 0.02 mm (3.341 ± 0.001 inch)
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| Illustration 3 | g01416960 |
(B) Camshaft lobe lift
Use the following procedure in order to determine the camshaft lobe lift:
- Measure the camshaft lobe height (C) .
- Measure the base circle (D) .
- Subtract the base circle measurement in Step 2 from the camshaft lobe height in Step 1. The difference is the actual camshaft lobe lift (B) .
Specified camshaft lobe lift
- Inlet lobe ... 9.43115 mm (0.37130 inch)
- Exhaust lobe ... 8.515 mm (0.3352 inch)
- Injector lobe (right bank) ... 10.655 mm (0.41949 inch)
- Injector lobe (left bank) ... 10.644 mm (0.41905 inch)
- Exhaust lobe ... 8.515 mm (0.3352 inch)
The maximum permissible difference between the actual camshaft lobe lift in Step 3 and the specified camshaft lobe lift is 0.13 mm (0.005 inch).
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