Crankshaft Position for Valve Lash Setting
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| Counterclockwise rotation (Standard) from the flywheel end of the engine | |||
| Cylinders to Check/Adjust | |||
| Engine | Correct Stroke For No. 1 Piston At Top Center Position(1) | Inlet Valves | Exhaust Valves |
| C175-16 | Compression | 1-2-3-4-5-7-8-12 | 1-2-5-6-8-9-13-14 |
| Exhaust | 6-9-10-11-13-14-15-16 | 3-4-7-10-11-12-15-16 | |
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| (1) | Put the No. 1 piston at the top center (TC) position and identify the correct stroke. Refer to Testing and Adjusting, "Finding the Top Center Position for the No 1 Piston". Find the top center position for a particular stroke and make the adjustment for the correct cylinders. Remove the timing bolt . Turn the flywheel by 360 degrees in the direction of normal engine rotation. This will put the No. 1 piston at the top center (TC) position on the other stroke. Install the timing bolt in the flywheel and complete the adjustments for the cylinders that remain. |
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| Counterclockwise rotation (Standard) from the flywheel end of the engine | |||
| Cylinders to Check/Adjust | |||
| Engine | Correct Stroke For No. 1 Piston At Top Center Position(1) | Inlet Valves | Exhaust Valves |
| C175-20 | Compression | 1-2-5-6-10-11-13-14-17-18 | 1-2-3-4-11-12-13-14-15-16 |
| Exhaust | 3-4-7-8-9-12-15-16-19-20 | 5-6-7-8-9-10-17-18-19-20 | |
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| (1) | Put the No. 1 piston at the top center (TC) position and identify the correct stroke. Refer to Testing and Adjusting, "Finding the Top Center Position for the No 1 Piston". Find the top center position for a particular stroke and make the adjustment for the correct cylinders. Remove the timing bolt . Turn the flywheel by 360 degrees in the direction of normal engine rotation. This will put the No. 1 piston at the top center (TC) position on the other stroke. Install the timing bolt in the flywheel and complete the adjustments for the cylinders that remain. |
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