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18
MIKRON III A
MAINTENANCE
INSTRUCTIONS
6.4. Servicing Prior to the First Engine starting
First
engine starting
means starting
a new
engine, an
engine after its installation into the airframe following
prior heavy
maintenance, or an
engine which was
out of
operation for a longer period, for the first time.
Prior to the first engine starting it is necessary:
- to
remove one
spark plug
from each
cylinder and
'Co
inject
20 ccm
of oil
heated to
50 deg. C into
each
cylinder. Piston
of the corresponding
cylinder has to
be in its
bottom dead centre so that
all the cylinder
working surface may be wetted by oil
- to
bleed and
fill thoroughly
the hose
supplying oil
from the tank to the engine
- to turn the engine manually, with the ignition magnet.os
switched OFF, till the oil pressure gauge indicates cil
pressure
- to
screw in
clean
spark
plugs and
connect ignition
cables
- to check engine ,control for correct functioning and its
stops for correct adjustment
- to start the engine and carry out an engine test run
- to check
oil system installation for
leakage, the oil
tank for oil quantity and the engine valves for
corn~ct
clearance after the first engine test run.
6.5. Inspection After the First 25 Hours of Operation
It is
necessary to operate
the engine within
the first
25 hours of operation with
extreme care and caution. The
engine should
be warmed up
slowly after starting,
only
short test
runs should be carried
out an full throuttle
operation in
low altitudes should be
limited to periods
as short as possible.
Carry out
carefully the following work
during the first
25 hrs inspection in ad(i"i tion to that shown il1 6.3:
- oil change'and inspection for chips and shavings
- examination of the spark plug condition and appearance
oil
consumption
measurement
and
comparison
of
the
result with manufacturer's data.
Issued 5/92
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