74171
- Unscrew the screws which fix the belt guard (2) to the
support and dismount it.
- Operate on the tightener (1) and withdraw the belt (3)
from the alternator and water pumps from pulleys and
from the returns pumps.
- Replace the worn belt with a new part.
- Place the belt on the pulleys and the guide rollers.
- Place the automatic tightener in order to key the belt in
the functioning position.
- Further adjustments are not required.
Figure 237
For the application with an automatic screw coupling the pro-
cedure is the following:
2
3
1
SECTION 3 − DUTY − INDUSTRIAL APPLIC ATION
ENGINES 99
ED. FEBUARY 2003
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