Maintenance and care
27
Fuel system
Fuel
If Diesel fuel which contains moisture is used the injection system and the cylinder liners / pistons will be
damaged. This can be prevented to same extent by filling the tank as soon as the engine is switched off
while the fuel tank is still warm (formation of condensation is prevented). Drain moisture from storage tanks
regularly. Installation of a water trap upstream of the fuel filter is also advisable. Do not use any additives to
improve flow properties in winter.
Injection pump
No alterations must be made to the injection pump. If the lead seal is damaged the warranty on the engine
will become null and avoid.
Faults
We urgently recommend that you have faults in the injection pump rectified only in an authorised specialist
workshop.
Cleaning fuel pre-cleaner
Strip the fuel pre-cleaner:
D Remove filter housing (1)
D Wash out filter housing (1) and gauze filter (2)
in clean Diesel fuel and blow them out with
compressed air
D Reassemble using new seal
D Screw on filter housing and tighten it to
10-12 Nm
D Actuate plunger of hand priming pump until the
overflow valve of the injection pump opens au
dibly
D Screw in and tighten plunger on hand pump
D Start engine
D Check fuel pre-cleaner for leaks
1 2
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