RDG603A20 - Issue 10
Page 37 of 100
When pressing and holding the black button on rear of tacho, the value displayed will
increase / decrease until the button is released. Then when pressing again it will
increase / decrease in the other direction. Keep doing this until the digitally displayed
value on the bottom of tacho reaches the correct value, according to the type of
alternator (see below table). This must be set to the alternator with blue and black
wire connected to it.
Confirm settings to tacho meter reader.
An optical tachometer is required to check the reading.
Barrus Alternator (Amps)
Barrus Tacho reading
50
10.50
– 11.00
70
15.00
150
19.50
– 20.00
240
22.00
Alternative or non-standard alternators will require calibrating and checking by trial and error,
with a hand held tacho until the engine speed and indicated tachometer speed are the same.
Engine energise to stop systems are available as an optional extra.
20. Exhaust System
WARNING:
EXHAUST HAZARD!
NEVER OPERATE ENGINE WITHOUT PROPER VENTILATION.
NEVER BLOCK VENTS OR OTHER MEANS OF VENTILATION. ALL COMBUSTION
ENGINES CREATE CARBON MONOXIDE GAS DURING OPERATION.
ACCUMULATION OF THIS GAS COULD CAUSE ILLNESS OR EVEN DEATH.
The exhaust outlet size
on the engine is 1½” BSP female. There must be a flexible exhaust
hose of suitable exhaust grade between the engine and the silencer or hull outlet. The outlet
must be above the waterline at all times. The exhaust fittings and silencer (if fitted), must not
be smaller than 1½” BSP. Exhaust silencers, flexible exhaust hose connections and lagging
blanket are all available as optional extras:
