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7.4 Cylinder compression pressure
1) Stop the engine after warming it up, then remove the nozzle assemblies.
2) Install a special tool (gauge adapter) in nozzle holder hole and connect the compression pressure
gauge to the adapter.
3) Cut off fuel circulation, rotate the starter, then measure compression pressure of each cylinder.
Standard 24-28 kg/cm
2
Limit 24 kg/cm
2
or less
Allowance among cylinders L 10% or less
- Testing conditions : at water temperature of 20 °C and speed of 200 rpm (10 turns)
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