7 CARE AND MAINTENANCE
7.58 MHL380 D
7.9.5.3 Replacing and tensioning the V-
belt for the air conditioning com-
pressor
â–º
Switch off the diesel engine and remove
the ignition key.
â–º
Switch the battery isolator switch off.
â–º
Unscrew the nuts (207/1) on the fan and
remove the fan in front of the cooler.
â–º
Loosen the fastening screws (208/1-3) but
do not screw them out completely.
â–º
Use a suitable tool (e.g. a tire lever) to
swing the air conditioning compressor far
enough so the V-belt can be removed.
â–º
Fit a new V-belt.
â–º
Use a suitable tool (e.g. a tire lever) to
swing the air conditioning compressor far
enough so that the correct V-belt tension is
reached.
â–º
Tighten the fastening screws (208/1-3).
â–º
Install the fan impeller.
â–º
Check that the ventilator works correctly.
â–º
j For the test run, close all openings to
the engine compartment!
â–º
Switch the battery isolator switch on.
â–º
Perform a trial run.
â–º
Check the tension of the new V-belt after
15 minutes with the battery isolator switch
turned off, and adjust if necessary.
7.9.6 Checking and adjusting valve lash
h Carry out maintenance as described in
chapter 7.8.3 Maintenance and inspection
plan.
Valve lash must be tested according to the
operating instructions provided by the diesel
engine manufacturer, and adjusted if neces-
sary.
Fig. 208 Tensioning and replacing the V-belt for
the air conditioning compressor