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 batteries
Use air hoses that are as short as possible under extremely cold conditions.
7.4.1 Starting assistance
If the machine's starter batteries are discharged, it can be started with the batteries of another vehi‐
cle 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. Shorted batteries 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)
68
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
No.: 901765 05 USE
