7.4 Low-temperature operation (winter)
The machine's electric system 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 compressed air hoses that are as short as possible under extremely cold conditions.
7.4.1 Jump starting the machine
If the machine's starter batteries are discharged, the machine can be jump-started with the batter‐
ies 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.
Short-circuit 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)
70
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M82 SIGMA CONTROL SMART
No.: 901783 08 USE