Engine
Drive belts. Check/adjust/change
Warning!
Stop the engine before doing any
maintenance work.
general information
Check belt tension and condition regularly. A belt
which is to tense can damage the bearings and a belt
which is too loose can slip.
important!
Always change a belt which looks
worn or cracked (belts which operate in pairs
must be changed together).
adjusting the alternator belt
The standard alternator, plus the extra alternator if
installed, are driven by a Poly-Vee belt each, for best
function and service life.
1. Undo the fixing screw (1) and tighten it again,
tightening torque 30 Nm.
Changing the alternator belt
1. Remove the protective cover over the alternator
drive belt.
2. Undo the fixing screws (1) and (2).
3. Screw a M10 nut (3) to the tensioner screw so
the spring is pressed together and it is possible to
loosen the alternator belt
4. Change the alternator belt. Remove the nut (3).
5. Tighten the fixing screw (1) tightening torque 30
Nm and fixing screw (2) tightening torque 20 Nm.
6. Install the protective cover over the alternator
drive belt.
7. Let the engine run on idle. Stop the engine after a
few minutes.
8. Adjust the alternator belt by pulling the alternator
while undoing the fixing screw (1) and then tigh-
ten the screw again, tightening torque 30 Nm.
Change crankcase ventilation filter
1. Remove filter cover. Remove old filter. Clean filter
cover/housing if necessary.
important!
Do not allow impurities to enter
the engine.
2. Fit new filter and filter cover.
1
2
3
60
Maintenance. Engine, general
Summary of Contents for D9 MH
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