Operation - Volvo Penta D25A MS Operator's Manual

Operation

Learn how to handle the engine, controls and other equipment in a safe and correct manner before taking it into
operation.
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Check the instruments
Check the instruments and warning display directly after
start and regularly during operation.
Oil pressure
During operation, the oil pressure gauge should show a rea-
ding of 0,50 - 0,64 MPa (71 - 93 psi). A lower value is nor-
mal at idling speed. The acoustic alarm will sound automa-
tically in case of low oil pressure.
Coolant temperature
During operation, the temperature gauge should show a rea-
ding of 71–85°C (160–185°F). The acoustic alarm will
sound automatically in case the coolant temperature is too
high.
Charging
During operation, the charge voltage gauge should show a
reading of 28V. The acoustic alarm will sound automatically
in case the charge voltage is missing.
Standard Control System
21