Maintenance 5
Engine
d3921410
Renew the toothed belt and idler
pulley
NOTE
Special know-how and tools
are required for
the renewal of the toothed
belt and idler pulley.
Please contact your autho
rised dealer for this
service.
d3921410
Change the water pump
NOTE
Changing the water pump requires specialist
knowledge and special tools. Please contact
your authorised dealer.
Changing the air filter cartridge,
checking the vacuum-operated
switch
(After 1000 operating hours at the latest)
NOTE
The ai
r filter cartridge must not be cleaned.
The ai
r filter cartridge must be changed when
the va
cuum display (1) lights up in the display
unit.
Operating Instructions – 394 807 10 01 EN – 07/2011 139