42
Maintenance. Engine, general
Drive belts. Inspection/adjustment
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 in-
stalled, 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.
Changeing 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 loo-
sen 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 undoing the fixing
screw (1) and tighten it again, tightening torque 30
Nm.
1
2
3
Summary of Contents for D9-425
Page 1: ...OPERATOR SMANUAL D9 425 D9 500 D9 575 ...
Page 82: ...80 Notes ...
Page 87: ......
Page 88: ...77 4 4682 English 10 2005 ...