25
Checks during operation
Check instruments. Normal operating values are:
Engine coolant temperature
Oil pressure, engine
System voltage
75–95°C
TAMD63: 300–550 kPa
approx. 14V (12V) or
(167–203°F)
TAMD71, -73, -74: 420–650 kPa
28V (24V)
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 engine water intake). Stop the engine if the
temperature does not drop.
– Engine oil pressure low. Stop the engine immediately and investigate the cause of the alarm.
If an extra alarm panel is fitted, the alarm will also sound if the lubricating oil or coolant levels are too low before
starting 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 8 hours with
the engine stopped (check after the engine has been stopped for approx. 3 minutes).
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.
Maneuvering 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 rpm.
For information on synchronization (twin engines) see page 13.
All forward/reverse maneuvering should be done at idling speed. Maneuvering at higher speeds may damage
the reverse gear and will also be uncomfortable for those on board. Maneuver as follows:
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Summary of Contents for TAMD63L
Page 1: ...INSTRUCTION BOOK TAMD63L P TAMD71B TAMD73P WJ TAMD74C L P ...
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Page 120: ...118 Notes 7740156 Downloaded from www volvopenta com 22 07 2009 00 44 08 ...
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Page 124: ...7740156 0 English 6 2000 AB Volvo Penta SE 405 08 Göteborg Sweden www volvopenta com ...