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Make absolutely
certain
all connections
in
the
circuit
type
stop,
close
the actuator
to the
full retract
posi-
are secure,
tion,
and place
the
cowl flap in
the
closed
position
by
locating
the
actuator
shaft
attaching
bracket
on
the
e-
Do not short
across
or ground
any of
the termi-
cowl flap so
that
a clearance
of
.
50
±
.
03
inch
exists
nals on
the
"Delcotron"
or regulator,
except
as
shown
between
the
aft inboard
corner
of
the
flap and
the
on wiring
diagram.
nacelle,
then
open the
cowl flap and adjust
it
to the
proper
open position
(2.
50
±
.
25 inch between
the
f
.
Do not attempt
to
polarize
the
"Delcotron".
flap and nacelle)
by
screwing
the
eye bolt on
the end
of
the
stop cable
until
the
proper
clearance
is obtained.
For additional
overhual,
testing,
brush
replacement
and lubrication,
refer
to
Delco-Remy
Service
Bulle-
b.
To adjust
electrical
actuators
that
do not have
the
tins
1G-262
and 1R-273.
cable-type
stop,
place
the
cowl
flaps
in
the
closed
position.
If
the
gap between
the
inboard
corner
of
the
flap and
the
nacelle
is less
than
.
50
±
.03
inch,
BELT
TENSION
install
100951SO32XD
and 100951SO63XD
spacers
on
the
actuator
arm
until
the
proper
distance
is obtained:
Adjust the
generator
or alternator
drive
belt so
that
if
the
gap is more
than
.
50
±
.
03 inch,
grind
the
there
is 1/4
to
3/8 inch deflection
at
the
center
of
10293358ZT1680
spacer
on
the
actuator
arm until
the
the
belt between
the
two
pulleys.
distance
between
the
flap and nacelle
is
within
the
tolerance.
SERVICING
STARTER
BRUSHES
c.
To
adjust
the
mechanical
linkage,
disconnect
the
linkage
rod end from
the
bellerank,
and
pull
the
con-
Starter
brushes
should
be
replaced
before
their
max-
trol
full
out.
Adjust
the
linkage
rod ends
to
obtain
.
50
imum
wear
limits
are reached.
The minimum
permis-
±
.03
inch clearance,
then
reconnect
the
linkage
rod
sible
brush
length
is 3/8 inch.
When replacing
a worn
to the
bellcrank,
brush,
the
new brush
should
be properly
seated.
Wrap
a strip
of 00 sandpaper
(rough
side out) around
the
starter
commutator
and
allow
the
brushes
to
ELECTRICAL
UTILIZATION
LOAD CHART
ride
against
the
sandpaper.
Rotate
the starter
until
the
brushes
match
the
contour of
the
commutator.
Starter
brush
should
be replaced
if
the
spring
tension
MAXIMUM
CONTINUOUS
LOAD
is less
than
24
ounces.
EQUIPMENT
NO. OF
AMPERES
UNITS
PER UNIT
THROTTLE
WARNING
HORN SWITCH ADJUSTMENT
Battery
master
relay
1
.
60
a.
Remove
the
instrument
cowl
pad,
set
the
parking
brake,
chock
the
wheels
and start
the
engines.
Paralleling
relay
1
.
22
b.
Advance
the throttles
until
the
manifold
pressure
*Flap
indicator
light
2
.
17
gage registers
12 inches
Hg. with
the
propellers
in
low
pitch.
*Cowl
flap indicator
light
2
.
17
c.
Stop
the
engines
by moving
the
mixture
control
*Landing
gear
position
to
Idle
Cut-off.
Leave
the throttles
in
the
same
posi-
indicator
light
2
.
17
tion
established
in step b.
Landing
gear
visual
d.
Adjust
each
switch
on
the throttle
controls
until
indicator
light
1
.
17
the
cam clicks
the
switch
closed.
Trim
tab
position
indicator
e.
Flight
test the
airplane
to
determine
that the
light
2
.
04
warning
system
functions
properly.
Heater
blower
1
14. 00
COWL FLAP
ADJUSTMENT
Heater
igniter
1
1. 20
Electrically
operated
cowl
flaps are
the
standard
in-
Heater
fuel
pump
1 or
2
.
40
stallation
on all airplanes
prior
to
serial
TD-453
and
are
optional
installation
on all airplanes
after
that
Heater
fuel solenoid valve
1
.
30
serial.
Manually
controlled
cowl flaps
are
standard
equipment
on
airplanes
serial
TD-453
and
after.
The
Fuel
quantity
indicator
2
.
38
following describes
the
methods
for
adjusting
each of
the
various
types
of
actuators
used
to
operate
the
Oil
temperature
indicator
1
.
15
cowl
flaps:
Cylinder head
temperature
a.
To adjust
electrical
actuators
that
have
the
cable-
indicator
2
.
10
3-37
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Troubleshooting
