7.19.2 Fan drive – Belt replacement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Drive belt
(→ Spare Parts Catalog)
Preparatory steps
1.
Remove protective cover from radiator.
2.
Remove fan.
Drive belt replacement, variant
A
1.
Loosen securing screwsBelt replace-
ment (3).
2.
Release locknut (2).
3.
Screw out tensioning screw (1) until drive
belts can be removed.
4.
Check belt pulley on fan bearing pedestal
and crankshaft for contamination, clean if
necessary.
Note:
Drive belts must only be fitted in the
grooves as a set and without applying any
force.
5.
Fit new set of drive belts.
6.
To check drive tension, the fan bearing
pedestal must rest against the gearcase.
7.
Adjust and check drive belt tension
(→ Page 128).
Drive belt replacement, variant
B
1.
Release securing screws (1, 4).
2.
Unscrew tensioning screw (2) with bolt (3)
until the drive belts can be removed.
3.
Check belt pulley on fan bearing pedestal
and crankshaft for contamination, clean if
necessary.
Note:
Drive belts must only be fitted in the
grooves as a set and without applying any
force.
4.
Fit new set of drive belts.
5.
To check drive tension, the fan bearing
pedestal must rest against the gearcase.
6.
Adjust and check drive belt tension
(→ Page 128).
MS15018/02E 2013-09
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