Volvo Penta Penta Owner's Manual page 17

Fuel injection System (7.4 Gi)
The fuel injection system Itself does not have any
serviceable ponts Therefore, any repairs, should
be performed by an authorized Volvo Penta Service
Workshop, which has at its disposal the necessary
testing equipment and trained service personnel
Check once a year that the system wrong harness =s
clean and wCthout damage. Use a piece of cloth
and a mild solvent to clean Never flush with
water or with any kind of degreasing agent. The
contact terminals of the system are moisture-proof
and felled with a special type of grease to prevent
corrosion The contact terminals and the system as
a whole should be checked every second year by an
authonzed Volvo Penta Service Workshop
A
WARNING! Never remove the contact ter-
minals of the wire harness from the sen-
sots or from the Engine Control Module
(ECM unit). Part of the electronic system
operabng on very low voltage of 4-5 vo[ts The
electnc components can be destroyed by a
static discharge as low as 100 volts1 As a
comparison, the human body can only fee[
statEc discharges above 4000 volts
Emergency program I RPM reduction
(7.4 Gi)
This engine's electronic fuel mjecbon system is de-
veloped specifically for marine u~,e The ECM
module of the system is controlhng the ignition, idling
speed and fuel consumption The operator should
be aware of the following: The system is designed
with a built-in "emergency program" This program is
automatically engaged ,when the ECM module recog-
nizes wrong or abnormal values from any of the sen-
sors or in case of a fault in the ECM unit itself In or-
der to avoid engine damages, the engine speed is
limited to 2500 rpm
~
IMPORTANT! Should the engine speed
only reach 2501} rpm as a maximum, you
must contact the nearest Volvo Penta
Service Workshop in order to check the
fuel injection system.