A4_Minimum_Requirement_A4-13.pdf

Appendix A4. Minimum Required Maintenance

At Standard Rating Temperature and Under Actual Load of The Engine

Check following temperatures are designated and proper temperatures.

1. Jacket Cooling Water Temperature

2. Lubrication Oil Temperature

3. Inter-Cooler Cooling Water Temperature

⇩OK

At Standard Rating Temperature and Under No Load of The Engine

Check following temperatures are designated and proper temperatures.

1. Jacket Cooling Water Temperature

2. Lubrication Oil Temperature

3. Inter-Cooler Cooling Water Temperature

⇩OK

Adjustment of Actual / Stoichiometric Air Requirement in the Main Engine Room (Gas Regulator for Main Engine Room)

Analyze the oxygen density in exhaust gas.

Adjust the oxygen density in exhaust gas to be matched as the manufacturer's standard .

⇩OK

Adjustment of Actual / Stoichiometric Air Requirement in the Sub Engine Room (Gas Regulator for Sub Engine Room)

Search a thin and thick limits of the gas by operating of the gas regulator

Adjust the gas regulator to the stable conditions of the engine revolutions and the air-intake manifold pressures

⇩OK

Adjustment of Actual / Stoichiometric Air Requirement At Standard Rating Temperature and Under Actual Load of The Engine

Analyze the oxygen density in exhaust gas.

NG Adjust the oxygen and Nox (under 200 ppm) density in exhaust gas to be matched as the manufacturer's standard by the step motor valve.

⇩OK

Completion of Adjustment of "λ"

Flow Chart for Adjustment of "λ" (Actual / Stoichiometric Air Requirement)

A4-13