5. Close the doors.
6. Start the machine and run up to operating temperature so that excess water is evaporated.
Clean the cooler blades only in a washing area equipped with an oil separator.
10.7 Drive belt maintenance
The life of the drive belts is influenced by belt tension.
■ Slack V-belts can cause belt slip and damage to the belts.
■ Over-tight belts stretch and fatigue quicker. Over-tight belts also place unnecessary stress on
bearings and shorten their life.
Material Wrench
Spare parts
Precondition The machine is switched off.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine has cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
The «battery isolating switch» is turned off.
Beware of rotating pulleys and moving belts.
There is danger of serious injury from pinching.
➤ Never check the drive belt unless the engine is at standstill.
10 Maintenance
10.7 Drive belt maintenance
158
Operator Manual Screw Compressor
M250 SIGMA CONTROL MOBIL
No.: 9_9570 07 USE