Raytheon Beech Baron E55 - Page 372

RIIYH~OII
AiKraft
Company
BARON
55
AND
58
SHOP
MANUAL
I
Chart
7
Troubleshooting
Landing
Gear
Electrical
System
I
PROBLEM PROBABLE CAUSE CORRECTIVE
ACTION
1.
Landing
gear
motor
fails
to
shut
a.
Up-limit
switch
out
of
adjustment,
a.
Adjust
switch.
off
when
gear
is retracted.
b.
Faulty
switch.
b.
Replace
switch.
2.
Landing
gear
fails
to
retract.
a.
Safety
switches
not
closing,
a.
Adjust
switches.
b.
Up-limit
switch
remaining
open,
b.
Replace
limit switch.
3.
Landing
gear
motor
fails
to
shut
a.
Down-limit switch does
not
open.
a.
Adjust
limit switch.
off when
gear
is extended.
b.
Faulty
down-limit switch, b.
Replace
limit
switch.
4.
Landing
gear
actuator
is
hitting
a.
Limit switch
out
of
adjustment.
a.
Adjust
limit switch.
internal
stops.
b. Limit switch is
inoperative.
b.
Replace
switch.
5.
Warning
horn
or
GR
UP
a.
Open
or
grounded
circuit,
a.
Check
continuity.
I
annunciator
light ton
TH-1543,
TH-1545 and
After)
inoperative
or
malfunctioning.
b.
Throttle switches
inoperative.
b.
Check
and
adjust
as
necessary.
c.
Flap
switch
inoperative.
c.
Check
and
adjust
as
necessary.
6.
Landing
gear
fails
to
extend.
a.
Tripped
circuit breaker.
a.
Reset circuit breaker.
b.
Down-limit
switches
open.
b.
Check
down-limit switches,
with the
gear
retracted
the down-limit switches
should
be
closed.
c.
Open
circuit,
c.
Run
a
continuity
check
on
the
down-limit switch.
d.
Landing
gear
motor
inoperative,
d.
Check
brushes,
overhaul
or
replace
motor.
7.
Landing
gear
will
not retract
or a.
Faulty
electrical
connections,
a.
Run
a
continuity
check between
extend,
system
components.
b.
Landing
gear
motor not
b.
Check motor
ground.
grounded.
c.
Faulty
control
circuit,
c.
Check
items
1
through
3.
d.
Landing
gear
motor
inoperative.
d.
Check
brushes,
overhaul
or
replace
motor.
Jun
30/04SECTION
5