1 Screws
2
Clamp
3
Protection cover
4
Ventilation filter
5
Drain valve
Service and maintenance
166
Fuel system
Fuel system
Fuel tank
Model
Manufacturing place and serial number
Korea
German
China
EC21OB
14275
Clean fuel is essential for trouble-free running of the diesel engine.
The fuel tank holds
350 liters (92.5US gal).
Carefully clean around the filler cap before removing it. Avoid spill-
ing fuel when filling as this attracts dirt. During the cold season
keep the tank full to prevent water condensing in the tank.
For fuel quality, See
Recommended lubricants
on
page 211.
NOTE: Be careful not to damage fuel tank level gauge (A) by
being stained from thinner or oil.
Drain oft sediment every 100 hours.
1 Place a vessel under drain valve (B).
2 Open drain valve (B) at the bottom of the tank and drain off any
sediment.
Air ventilation filter on fuel tank, changing
Model
Manufacturing place and serial number
Korea
German
China
EC21OB
14276-
Change the air ventilation filter every 2000 hours.
The filter is the disposable type, i.e. it cannot be cleaned, but
must be replaced.
1 Disassemble the protection cover (3) after loosing 2 screws (1).
2 Remove the air ventilation filter (4) after loosing a clamp (2).
3 Replace the air ventilation filter (4), then tighten the filter (4)
with clamp (2).
4 Assemble the protection cover (3) and tighten 2screws (1).
Drain oft sediment every 100 hours.
1 Place a vessel under drain valve (5).
2 Connect the drain hose.
3 Open drain valve (5) at the bottom of the tank and drain off any
sediment.
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