Table of Contents
Advertisement
HEATER
FUEL
PUMP
a.
Use only Enco ANDOK-B
(a product
of Humble
Oil Co.) on
the thread
as shown in
the
illustration.
After
every
100 hours
of
airplane
operation,
remove
Too
much
grease,
or grease
in
the
wrong
place
can
the heater
fuel pump strainer
by
turning the
base
of
cause
improper
operation.
the
pump counterclockwise.
Wash
the
strainer
in
clean
unleaded
gasoline
and dry with
compressed
air.
b.
Compress
the
spring
guide and counterbalance
spring
approximately
one inch.
HEATER
FUEL
FILTER
c.
Remove
the
retaining
spring.
A
fuel filter
is installed
in
the
nose wheel
well
next
to the
heater
fuel
pump and
filters
foreign
matter
d.
Relax
pressure
on
the
spring
guide and
counter-
from
the
fuel.
The strainer
is
equipped
with a
snap-
balance
spring slowly
until
the
spring
is fully ex-
type
drain
and should
be drained
daily during
cold
tended.
weather
to
remove
accumulated
moisture
which,
if
allowed
to
freeze,
could cause heater
malfunction.
e.
Remove
the
lock from
the
fixture
and
remove
the
spring
guide,
counterbalance
spring
and spring
ROTON
LOCKS
guide
tube.
Usually
Roton locks
will need no
service.
If
there
is
f
.
Apply a small
smount
of grease
to
the
completely
a grinding
and
binding
in
the
lock as
the seat
reclines
extended
thrust
screw.
or return
action
becomes
jerky,
a little
grease
pro-
perly
applied
as follows
should
improve
the
operation.
g.
Reassemble
the
lock.
For service
other
than
lubrication,
return
the
lock
to the
manufacturer.
FULLY
EXTENDED
RETAINING
RING
SPRING
GUIDE
3/4"
(APPROX)
-
APPLY
GREASE
A
NO
GREALISGHTLY
ERE
NLY)SPRING
GUID
BE
IN THIS
AREA
MAIN ASSY
COUNTERBALANCE
SPRING
Figure
2-9. Servicing
Roton
Locks
AIRCRAFT
FINISHES
NOTE
Paint
Removal
From
Magnesium
Surfaces
Use
of
a wire brush
may scratch
the
magnesium
surface.
a.
Plug
or
mask all
openings
and adjoining
sur-
faces
to
prevent
paint
remover
from
entering
the
d. Wash parts
thoroughly
with
water
under
high
aircraft.
pressure.
Small
traces
of old
paínt
may
be removed
with
lacquer thinner.
b.
Apply
paint remover
(Torco
#4260)
to the
ex-
terior
surface,
using
a
brush
or
non-atomizing
gun.
e.
Remove
all
plugs
and
masking
and carefully
remove
any
remaining
residue.
CAUTION
NOTE
Prolonged
exposure
to
high
concentrations
Coat any scratches
or abrasions
with
of vapor
may cause
irritations
to
eyes
and
BEECHCRAFT
Dow #1 Solution
to
lungs.
Avoid contact
with
the
skin or eyes.
prevent
corrosion.
The
paint stripping
should
be
done
with
adequate
ventilation.
Preparation
of Magnesium
Surface
for Paint
c.
Allow
the
paint remover
to
work
for 20
to
30
a.
Sand
lightly
and
coat any scratches
or abrasions
minutes.
Then agitate
the
paint
remover
with a
with
BEECHCRAFT
Dow #1
Solution to
prevent
cor-
bristle
brush
to
break
up
and
loosen
the
paint film.
rosion.
2-17
Advertisement
Table of Contents
Troubleshooting
