208
Maintenance
1000 HOUR MAIN SERVICE
WARNING: To open the bonnet, follow the procedure
indicated under “How to open the bonnet”.
WARNING: Always use specific personal safety devices
for each operation. Beware of burns caused by hot
water and engine parts. [4.1.n]
Check condition of fuel injectors
The fuel injectors must not be cleaned. New injectors
mustbefittedbyyourdealerifthereisdamageorafault
occursaslistedbelow:
- Enginewillnotstartorisdifficulttostart.
- Notenoughpower.
- Enginemisfiresorrunserratically.
- Highfuelconsumption.
- Blackexhaustsmoke.
- Engineknocksorvibrates.
- Excessiveenginetemperature.
Injectors and fuel system
Have these checked by your Dealer’s specialized per-
sonnel.
NOTE: Thoroughly clean the area in which you must
work before loosening or disconnecting any part of the
injection system.
NOTE: Place covers on all the tubes and injector orifi-
ces to prevent dirt from penetrating.
Engine valves
HavethetappetandvalvegapscheckedbyyourDealer’s
authorizedpersonnel.
Anti-freeze in engine cooling sys-
tem
Onceayear,beforewinter,checktheanti-freezefluidin
theenginecoolingsystem.
Seetheproceduretochecktheenginecoolantleveland
theprecautionsagainstfrostunderserviceoperationsat
10hoursordaily.