Yanmar 3TNV88F - Every 3000 Hours of Operation

PERIODIC MAINTENANCE
5-24
3TNV88F Service Manual
Periodic Maintenance Procedures
Perform the following maintenance every 3000
hours of operation.
• Inspect, clean and test EGR valve
• Inspect and clean EGR lead valve
■ Inspect, clean and test EGR valve
The EGR valve is a key component for cleaning
exhaust gas.
To prevent the valve from deteriorating in exhaust
gas recirculation performance due to carbon
accumulation, inspect, clean and test the valve at
least every 3000 hours.
Consult your local YANMAR dealer for this service.
■ Inspect and clean EGR lead valve
The EGR lead valve is located in the passage of
recirculated gas.
To prevent carbon accumulation in or clogging of
the lead valve, inspect and clean the lead valve at
regular intervals.
Consult your local YANMAR dealer for this service.
Figure 5-18
Every 3000 Hours of Operation
EGR valve
EGR lead valve
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