Guangzhou Zixing Construction Machinery Business Department
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Me305065 Me303661 Egr Cooling Pipe 6m60 Diesel Engine Hd1430 Kato
Inspection procedures Inspection: EGR cooler
(1) Exhaust gas passage side
• Fit a cover over the exhaust gas outlet of the EGR cooler, and connect a hose to the exhaust gas inlet. Then, submerge the EGR cooler in a container of water. Make sure the coolant passage is full of water.
• Apply air pressure of 390 kPa {4 kgf/cm2} through the hose. Check that air does not leak from any part of the EGR cooler.
• If there is any abnormality, replace the EGR cooler.
(2) Coolant passage side
• Fit covers over the EGR cooler’s exhaust gas inlet, exhaust gas outlet, and coolant outlet, and connect a hose to the coolant inlet. Then, submerge the EGR cooler in a container of water.
• Apply air pressure of 294 kPa {3 kgf/cm2} through the hose. Check that air does not leak from any part of the EGR cooler.
• If there is any abnormality, replace the EGR cooler
