Edition 02.97 Grassland Mower Hopper 5000 33
5. Maintenance
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Fuel System
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Each time you maintain the machine,
check fuel hose, fuel tank, and
carburetor for leakages. Repair, if nec-
essary, immediately replace a leaking
or porose fuel hose.
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Replace fuel hoses after every 2
years.
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If engine fuel supply is too high, move
the speed control lever to FULL THROT-
TLE and crank the engine with the re-
coil starter until the engine starts again.
Do not crank the engine when the spark
plug is removed.
Spark Plug
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After every 50 operating hours clean
the spark plug and reset the gap to
0.75 mm. Clean the spark plug only with
a steel brush and wash it with a con-
ventional detergent.
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Exchange the spark plug at intervals
of approx. 100 operating hours.
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Exchanging spark plug:
Turn the new spark plug into cylinder
head by hand. Then continue with a
spark plug wrench. Turn wrench at 90°
or a torque of 20…30 Nm.
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With spark plug or spark plug cable
removed, do not check the ignition for
spark formation. Only use approved
testing equipment.
Cleaning Cooling Grille
After long operation, dirt can clogg the
cooling system. To avoid overheating
and damage to the engine, clean the
cooling grille regularly.
Check each time before you take up
operation.
Air-Cooling System
Clean internal cooling fins and surfaces
at least every 100 operating hours (ear-
lier in very dusty conditions).
For this purpose, contact your pro-
fessional AGRIA workshop.
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