SOCATA
MODEL TB 20
SECTION 7
DESCRIPTION
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© 1988, 1991, 1992, 1994 to 1996, 1997, 2000 -
socata
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June 30, 1988
Revision 8
7.32
ENGINE INSTRUMENTS
Indicators enable the pilot to assure a permanent check of oil pressure, oil
temperature, tachometer, manifold pressure, flowmeter and (if installed)
EGT and CHT.
IGNITION – STARTER SYSTEM
Engine ignition is provided by a dual magneto on two spark plugs per cylinder.
The R.H. part of the magneto fires the R.H. lower and L.H. upper spark plugs ;
the L.H. part of the magneto fires the L.H. lower and R.H. upper spark plugs.
Ignition is controlled by a key–operated rotating selector, located on L.H. side
of the L.H. panel strip.
The selector operates clockwise :
– if the airplane is not equipped with the starting vibrator :
OFF ; L.H. magneto ; R.H. magneto ; L.H. + R.H. magnetos ; STARTER by
pushing.
– if the airplane is equipped with the starting vibrator (OPT A865) :
OFF ; R.H. magneto ; L.H. magneto ; L.H. + R.H. magnetos ; STARTER by
pushing.
CAUTION
RELEASE THE PRESSURE ON THE KEY
AFTER ENGINE START
