7.4 Low-temperature operation (winter)
The machine's electrical equipment is designed for starting at ambient temperatures as low as
14°F.
➤
In temperatures below 32°F, use the following operating materials/components:
■ Winter-grade engine oil,
■ Low viscosity cooling oil for the compressor,
■ Winter-grade diesel fuel
■ Stronger battery
Use air hoses that are as short as possible under extremely cold conditions.
Allow the engine to warm up
1.
Problems with pneumatic control at low temperatures.
Damage to the machine may be caused by ice particles in the pneumatic control and feedback
systems.
➤ Let the machine warm up in IDLE to ensure trouble-free regulation.
2. Allow the machine to warm up in idle with open air outlet valves until an airend discharge tem‐
perature of 86°F is reached. The airend discharge temperature is shown at the remote ther‐
mometer contact on the instrument panel.
7.4.1 Starting assistance
If the machine's starter battery is discharged, it can be started with the battery of another vehicle or
engine-driven machine.
Material Jumper cables
Precondition The machine is disconnected from the towing vehicle and safely parked.
Fire and explosion hazard.
High currents caused by short-circuited battery. A shorted battery can catch fire or explode.
Battery casing may crack and allow acidic fluid to spray out.
➤ Observe the instructions provided with the battery jumper cables.
➤ Do not connect the battery jumper cables to the negative pole of the discharged battery
or to the bodywork of the machine.
➤ Work with caution.
7 Initial Start-up
7.4 Low-temperature operation (winter)
No.: 9_9548 05 USE
Operator Manual Screw Compressor
M27
77
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