Disconnecting the battery jumper cables:
1. Stop the drive engine of the assisting vehicle.
2. Disconnect the jumper cables in the reverse order, first negative (-) then positive (+).
3. Place the pole caps.
4. Close the maintenance panels and/or bonnet.
A stop of the machine’s drive engine as soon as the cables are disconnected could indicate
major damage (e.g. to the engine generator or battery) which must repaired by a specialised
workshop.
7.4.3 Starting up low-temperature equipment
➤ Check which low temperature equipment is fitted to your machine.
7.4.3.1 Option bb
Pre-heat the drive engine coolant
In order to improve the cold-start behaviour your machine is equipped with an electric coolant pre-
heating device. The corresponding power cable has been included with the machine.
See Fig. 16 for the position of the device connection on the machine.
Fig. 16 Coolant pre-heating
1
Machine
2
Connection for the coolant pre-heating
3
Unit plug
4
Power cable
5
Mains plug
1. DANGER!
Danger of fatal injury from electric shock
➤ Connect mains plug of power cable to user's power socket only.
➤ Have the coolant pre-heating and associated power cable checked according to the main‐
tenance schedule.
2. Open the enclosure.
3. Remove the power cable from the machine’s interior.
4. Close the enclosure.
5. Connect the unit plug to the connection of the machine.
7
Initial Start-up
7.4
Low-temperature operation
62
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
No.: 9_9548 22 HCE
Option bb
