Yanmar 6CXM-GTE, Руководство по обслуживанию

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(2) Reversed angleich mechanism
The CXM model employs the high pressure fuel injection pump to match with its high output structure.
When using the high pressure pump, however, the injection volume at the equalized rack condition tends to
decrease according to the rise of engine speed. Accordingly, a larger capacity pump is used.
The use of a large capacity pump, however, gives over-torque and adverse exhaust color due to excessive fuel injection dur-
ing medium speed high load operation. To prevent this and to control fuel injection volume at the medium high load opera-
tion to the proper level, the reversed angleich mechanism is used for the governor.