
2.
Excessive voltage produced by the engine generator!
Voltage peaks can destroy the alternator regulator and diodes.
➤ The batteries serve as a buffer and must not be disconnected while the engine is running.
➤ Perform work on batteries only when the machine is switched off.
3. Open the left-hand door.
4. Disconnect the negative cable first, then the positive cable.
5. Unscrew the battery fixing clamp.
6. Replace in the reverse order.
7. Make sure the battery is properly secured.
8. Turn on the «battery disconnect switch».
9. Close the door.
Battery replacement:
Replacement batteries must have the same capacity, current strength and form as the original bat‐
teries.
➤ Always replace batteries with the same type.
Old batteries are hazardous waste and must be disposed of correctly in accordance with local
environmental protection regulations.
10.4.10 Change the oil separator cartridge
Material Spare part
Cleaning cloths
Precondition The machine is switched off.
The machine is fully vented, the pressure gauge reads 0 psig.
Engine cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery disconnect switch» is turned off.
Fig. 61 Change the oil separator cartridge
1
Oil separator assembly
2
Body
3
Oil separator cartridge
4
Sealing ring
5
Enclosure
10 Maintenance
10.4 Drive engine maintenance
No.: 901783 08 USE
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M82 SIGMA CONTROL SMART
145