Yanmar 1GM, Руководство по эксплуатации

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For 1GM/2GM/3GMD
Injection timing mark on flywheel (1T, 2T. 3T)
1. Cylinder block side timing mark
2. Flywheel
3. Crankshaft pulley
4. M8 bolt
3-f)
Remove the fuel injection nozzle and check the injection spray condition. Cone-shaped
condition is proper.
If the spray is not cone-shaped, check the
following point.
3-f)-1.
The injection pressure may be low;