10.4.8 Drive belt maintenance
The lifespan of the drive belts is affected by belt tension.
■ Slack belts can slip and become damaged and may result in engine overheating.
■ Over-tight belts stretch and fatigue quicker. Over-tight belts also place unnecessary stress on
bearings and shorten their life.
Material Wrench
Suitable clamping lever (short, thin rod)
Spare part
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.
➤ Never run the machine without a belt guard.
➤ Remove the rear left enclosure panel.
Removing the belt guard:
Fig. 51 Belt guard attachment
1
Belt guard
2
Hexagon bolt
1. Remove both fixing screws of the belt guard (accessible from the service side).
2. Push the belt guard away from the motor and downward.
The drive belt is exposed.
10 Maintenance
10.4 Drive engine maintenance
122
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M58utility SIGMA CONTROL SMART
No.: 901779 08 USE