Service and cleaning
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Testing and inspection work
Mechanical overheat protection
► Put the water pump into operation.
► Pull knurled screw until water flows out of the hose.
► Release knurled screw.
The mechanical overheat protection must close and tighten inde-
pendently.
The overheat protection works.
8.7.3 Propulsion engine
Hose lines
All hose lines, especially fuel lines, are to be checked at least once a year
for obvious defects in the course of a visual check.
Note the following criteria when checking hose lines:
► Check whether is there damage to the hose lines external layer like
chafing, cuts, or cracks.
► Check brittleness of the outer layer or cracks in the hose material.
► Check hose lines for deformation, e.g.
layers separating, bubbles, signs of crushing, kinks.
► Check hose lines in depressurised and pressurised condition.
► Check the hose lines for leaks.
► Should there be a defect, or the suspicion of a defect, the affected line
is to be replaced immediately.
Check engine oil level
NOTICE
Engine damage from dirt, wrong oil level or oil pressure!
The engine can be damaged from an incorrect engine oil level or oil
pressure, or when dirt gets into the engine.
Check that the oil level is between the top and bottom markings on the
oil dipstick. If necessary, immediately correct oil level.
If the Engine oil pressure pilot lamp is active, stop the vehicle
immediately and switch off the engine.
Make sure that no dirt gets into the engine when checking the oil level.
The engine of the portable pump is delivered filled with engine oil from
the factory.
► Check for oil loss before startup and then check the engine oil level.
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