10
ENGINE PRE-HEATING (optional)
The engines which require low start-up temperatures and an
immediate delivery of power may be equipped with an electrical
heating device enabling an increase in the temperature of the air
entering the engine. The device is mounted on the intake manifold and
is fitted with a coolant temperature sensor which interrupts the power
supply once the required temperature has been reached.
SWITCHING OF OPERATING FREQUENCY
Based on the specific operational requirements of the engine, it is
possible to vary the adjustment of the rotary injection pump so as to
obtain a different operating frequency:
- 1,500 rpm @ 50 Hz
- 1,800 rpm @ 60 Hz
To switch from 50 Hz to 60 Hz it is necessary to turn the adjustment
screw (1) of the “droop setting”, clockwise a number of turns
depending on the identification code of the pump indicated on the
nameplate.
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