Camshaft
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| Illustration 1 | g00285342 |
Note: Lubricate the camshaft bearings with engine oil, or lubricate the camshaft bearings with a 50/50 mixture of 8T-2998 Lubricant and engine oil prior to installation of the camshaft.
(1) Exhaust lobe
(2) Injector lobe
(3) Inlet lobe
(4) The diameter of the camshaft journal is the following size. ... 84.85 ± 0.02 mm (3.341 ± 0.001 inch)
(5) Front of camshaft
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| Illustration 2 | g00380912 |
(6) The actual lobe lift
To find the lobe height, use the procedure that follows:
- Measure the camshaft lobe height (7) .
- Measure the base circle (8) .
- Subtract the base circle (Step 2) from the camshaft lobe height (Step 1). The difference is the actual lobe lift (6) .
- The specified camshaft lobe lift (6) is the following amount.
Exhaust lobe ... 8.515 mm (0.3352 inch)
Inlet lobe ... 9.431 mm (0.3713 inch)
Injector lobe ... 10.451 mm (0.4114 inch)
The maximum permissible difference between the actual lobe lift (Step 3) and the specified lobe lift (Step 4) is 1.0 mm (0.0394 inch).
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