Care and Maintenance 7
TC29
69
7.9.6 V-belts
Only check and tension V-belts with the
engine off!
Danger of injury!
Check the complete V-belts and make sure that
they are not damaged.
Replace worn or damaged V-belts
immediately.
Checking the V-belt tension
In order to check the V-belt tension, a V-
belt tensioning device is recommended.
Check the tension in compliance with the
manufacturer’s operating instructions.
Checking the V-belt tension without a
tensioning device
• To check the tension, press the V-belt with
your thumb in the middle of the greatest free
length, and measure the sag of the V-belt.
• Using medium thumb pressure of approx. 45
N, the V-belt sag should equal 13 mm.
Tensioning V-belts
• Stop the engine and remove ignition keys.
• Open the engine hood.
• Slacken the fastening screws (56/1) of the
generator.
• Rotate the generator until the tension is
correct.
• Re-tighten the fastening screws (56/1 and
56/2) of the generator.
• Check the tension once more.
• Close the engine hood.
1
2
HR14-03-56
1
3
m
m
14Nm
22Nm
Fig. 56 V-belt