Maintenance and service work 3.23 V-belts Checking the V-belts Danger! In order to avoid danger of injury, check the V-belts at engine standstill only!
☞ Stop the diesel engine ☞ Switch off ignition and remove the ignition key
About 10 mm
☞ Check the V-belts once a day or every 10 service hours as follows:
Fig. 58 : Checking V-belt tension
• • • • • •
Stop the diesel engine Apply the parking brake Switch off ignition and remove the ignition key Open the engine cover Carefully inspect the V-belts for damage Press with your thumb to check whether the V-belts can be deflected between the pulleys by no more than about 10 mm • Retighten the V-belts if necessary
Caution! Cracked and stretched V-belts cause engine damage! ☞ Have the V-belts replaced by an authorised workshop
Retightening/replacing the V-belt Have the V-belt retightened or replaced (after 2 years at the latest) by an authorised workshop.
Retightening the V-belts ☞ Retighten as follows: 3
A
4
• • • •
Stop the engine Prevent the machine from rolling away and remove the ignition key Slacken fastening screws 3 of alternator 4 Use a suitable tool to push the alternator in the direction of arrow A until the correct V-belt tension is obtained (see fig. 58) • Keep the alternator in this position, and at the same time retighten fastening screws 3 • Start the engine • Check V-belt tension (see fig. 58) after about 15 minutes
Fig. 59: Retightening the V-belts
3-26
Serv-HB 40702 – Edition 2.0 * 407-02s0322_Wartung.fm
