1. Check belt tension by hand (see Fig. 49).
2. Increase the tension on a loose belt.
3. Replace the belt guard.
4. Reconnect the negative battery terminal.
5. Close the doors.
10.3.8.3 Changing/tensioning the drive belt
The drive belt is tensioned via the screw fastening of the alternator.
Fig. 50 Changing/tensioning the drive belt
1
Engine block
2
Drive belt
3
Hexagon screw (securing screw)
4
Alternator
5
Hexagon nut (locknut)
6
Lever
Tensioning the drive belt:
1. Loosen the alternator securing screw and clamping nut.
2. Place a suitable lever between the alternator and engine block.
3. Gently push the alternator in the direction of the arrow (outwards) using the lever until the drive
belt is tensioned.
4. Re-tighten the securing screw and clamping screw.
5. Remove the lever.
6. Check the belt tension (see Fig. 49).
Belt tension too low: Press the alternator further into arrow direction.
Belt tension too high: Slightly swivel the alternator against the arrow direction.
Replace the drive belt:
1. Loosen the alternator securing screw and clamping nut until the drive belt can be taken off the
pulleys.
2. Remove the belt.
3. Check the pulleys for dirt and wear.
Dirty pulley: Clean pulley.
Worn pulley: Have the pulley changed.
10 Maintenance
10.3 Engine maintenance
No.: 9_5898 26 E
Operator manual Portable compressor
M 64
117
RAMIRENT
