Agria 3900, Operating Instructions Manual

Page: 49 / 74

Edition 04.97 Two-wheel tractor 3900 49
5. Maintenance:
Diesel Engine
Apart from observing all operating in-
structions, it is also important to pay at-
tention to the following maintenance and
service instructions.
Please note:
W
Only carry out all mainte-
nance and service work when
the engine switched off and
the spark plug connector discon-
nected.
Engine
Check oil level
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each time you take up operation
and after every 8 operating hours,
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only with engine switched off and
tractor in horizontal position.
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Remove the oil dip-stick and clean it
with a clean cloth and put it back into
the oil tank.
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Take the dip-stick out and read the
oil level.
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In case the oil level is below the “min”
mark, refill engine oil (refer to “Specifi-
cations”) until oil level reaches the “max”
mark on the dip stick.
Changing Engine Oil
The first oil change is after 25 oper-
ating hours. Following oil changes are
after 50 operating hours. Change the oil
while the engine is still warm, but not
hot – danger of burns!
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Clean the oil plug (F/2 and H/2) and
surrounding parts.
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Remove oil plug.
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Clean the drain plug (4) and its sur-
rounding parts.
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Remove the drain plug. Collect the
draining oil in a proper container and
dispose of properly.
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Tighten drain plug well (check o-ring
for good condition (3) and exchange it,
if necessary).
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Fill in fresh engine oil (refer to chap-
ter “Specifiactions”) until the oil level
reaches the “max.” mark on the oil dip-
stick.
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Re-tighten the oil plug.
Oil dip stick