Instruments - Volvo Penta Penta Owner's Manual

instruments, Main paneg
Rev counter
This shows the engine speed =n revolut=ons per mrnute x I00
Speed
It is important that the engine reaches the maximum speed
w=th a normal load The full throttle RPM range =s 4000-4400
rpmforthe74GL For models74G[and82GLthefull
throttle range is 4200-4600 RPM A recommended maxtmum
crutsmg speed is around 300-500 rpm below the maximum
speed achteved
NOTEI Growth on the hull reduces the speed
Temperature gauge
Dunng normal use, the temperature gauge should dtsplay 158-
195°F (70-90°C) Your boat may be equtpped w~th an audtble
alarm to alert the operator to an engine coohng overheat
A
if the engine overheats, reduce the speed and shift
into neutral. Find out what is blocking the water sup-
ply to the engine if the temperature does not drop.
Stop the engine if necessary and rectify the fault.
Oil pressure gauge
The oil pressure gauge should normally show about 40-45 psi
(275-300kPa) when the engine ts runnmg It [s normal for the
gauge to show a lower reading at low speeds Your boat may
be equipped wtth an audible alarm to alert the operator to low
engme o~l pressure
,~
If the oil pressure is too low, stop the engine imme-
diately and determine the cause,
Voltmeter
The voltmeter shows the system voltage When the engine is
running it should be 14 0-14 4 V The voltage is 12 V when the
engine ts switched off
Main panel fuses
The instrument panel has two replaceable 8 Amp fuses The
fuse protected circuits are System voltage and Starting c~rcu~t
A
WARNING! Always keep spare on fuses board
Push button, instrument lighting