Piper SENECA III - Page 382

SECTION
9
PIPER
AIRCRAFT
CORPORATION
SUPPLEMENT 20
PA-34-220T,
SENECA Ill
SECTION 2
-
LIMITATIONS
(a)
Placards
In
full
view
of
pilot:
CONDUCT
TRlM
CHECK
PRIOR
TO
FLIGHT
SECTION 3
-
EMERGENCY
PROCEDURES
(a)
AUTOPILOT
MALFUNCTlON
(1)
Overpower
control wheel
forces
initially,
and
depress
and
hold
the
master
interrupt
switch
on
the
control
wheel.
This
will
stop
all
trim
action.
(2)
Retrim
aircraft
with manual
trim
system
to
alleviate
control
force.
(3)
Move
the
trim
master
switch
to
the
OFF
position.
(4)
Release
interrupt
switch
while
observing
trim
wheel
to
assure
that
the
trim
system
is
disabled.
(5)
Pull
trim
circuit breaker. Leave
circuit
breaker
open
until
the
trim
svstem
is
corrected.
SECTION
4
-
NORMAL
PROCEDURES
(a)
PRE-FLKiHT
INSPECTION
-
BEFORE
EACH
FLIGHT
(1)
Circuit
breaker
-
IN.
(2)
Trim
master
switch
-
ON.
(3)
Depress
switch
center
bar
and
rock
switch
foreldown)
and
aft
(up)
-
check that
trim
operates
in
correct
direction both
Upand
Down.
(4)
Release
trim
switch.
Depress
only
the
center
bar
-
Trim
should
not
operate.
(5)
Rock
switch
fore
and
aft
only
-
(Do
not
depress
cemer
bar.)
Trim
should
not
operate.
(6)
Operate
trim
normally
-
grasp
trim
wheel
and
check
that
trim
may
be
overpowered by
hand,
(7)
Operate
trim Up
or
Down
-
Depress
Interrupt
Switch
-
Check
that
trim
action
stops.
]
REPORT:
VB-1110
ISSUED:
SEPTEMBER 23, 1983
I
9-132,
2
of 4