21
Checks during operation
Check instruments. Normal operating values are:
Reverse gear
1.
Reduce engine speed to idling and, if possible, let
the boat lose most of its speed.
2.
Move the reverse gear control lever quickly and
firmly into the neutral position, then wait for a
moment.
3.
Move the control lever quickly and firmly into
reverse, then increase the speed.
Note If the boat has two engines, it is vital that both en-
gines are running, particularly when maneuvering for-
wards and backwards. If one engine has not been start-
ed and the other is used to reverse, water may enter
the stopped engine via the exhaust port and cause seri-
ous damage.
Engine coolant temperature
75–90° (167–194° F)
Oil pressure, engine
300–500 kPa (3–5 kp/cm
2
= 43.5–
72.5 psi), at low idle approx. 190
kPa (1.9 kp/cm
2
= 27.5 psi)
System voltage
28V
If the oil pressure drops, the temperature rises above the permitted values or there is a loss of charge, the alarm will
sound and one of the warning lamps will start to flash to indicate the source of the malfunction.
If the alarm sounds:
– Engine coolant temperature too high. Reduce the speed to idling (in neutral) until the temperature drops.
Investigate the cause of the alarm (e.g. blocked cooling water intake). Stop the engine if the temperature does
not drop.
– Low lubricating oil pressure. Stop the engine immediately and investigate the cause of the alarm.
– Keel cooled engine version: High charge air temperature. Reduce the speed to idling (in neutral) until the
temperature drops. Investigate the cause of the alarm (e.g. clogged charge air cooler–CAC).
If an extra alarm panel is fitted, the alarm will also sound if the lubricating oil or coolant levels are too low before start-
ing or if there is water in the extra fuel pre-filter. An extra alarm function may also be connected.
Note. When running the engine for long periods the engine oil level must be checked at least every day, or if the
engine is run continuously every 8 hours.
Maneuvring during operation
For economic running it is necessary to select an optimal cruising speed. The recommended cruising speed is the
maximum speed which can be achieved at any given time minus 200 r/min.
All forward/reverse maneuvering should be done at idling speed. Maneuvering at higher speeds may damage the re-
verse gear and will also be uncomfortable for those on board. Maneuver as follows:
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