Power Hoe 900 / 900-S 31
5. Maintenance
clean here
clean here
5
Spark Plug
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After every 50 operating hours or in case of misfiring:
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remove soot from spark plug elec-
trodes with a steel brush
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check spark plug gap and set to
0.6…0.7 mm
Exchange the spark plug after approx.
200 operating hours.
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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 System
Clogging of plants and dust may
occur in the cooling system.
Operation with the cooling sys-
tem clogged lets the engine heat
up and causes damage.
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Always check cooling-air
screen (C/7) and remove dirt
and plants sucked in.
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Clean fan system at least
once per year, preferably before
the season starts. Take off fan
case and clean cooling fins on
both, cylinder and cylinder head,
in addition to the fins and the
cooling-air screen.
Exhaust
Regularly check surrounding
parts of the muffler (A/19), if
necessary free it from grass, dirt
and inflammable deposits.
– Danger of fire!
Check each time before you take
up operation.
66
66
6 100 h
0,6 - 0,7 mm
Drahtbürste
66
66
6 A
66
66
6 A; 5 h
66
66
6 J
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