Top Flite TOPA0910 User Manual
Page 25

❏❏
14.
Remo
v
e
the gear door from the landing gear
.
On the mar
k y
ou made dr
ill a 1/16" [1.6mm] pilot hole
through the mar
k.
Dr
ill though the pilot hole with a
7/64" dr
ill bit.
❏❏
15.
Reinstall the landing gear door onto the
landing gear with the 8-32 bolt.
Using a 4-40 x 1/4"
[13mm] soc
k
et head cap scre
w and a #4 w
asher
,
secure the bottom of the door to the landing gear
door co
v
e
r mounting br
ac
k
et.
Be sure to use thread
loc
k
er on both mounting scre
ws
.
❏❏
16.
P
osition the landing gear flange plate o
v
er
the landing gear mounting plate
.D
rill a 1/16" [1.6mm]
hole in each cor
ner of the plate
.
Remo
v
e
the flange
plate from the wing and dr
ill a 3-32" [2.4mm] hole
through each of the holes y
ou dr
illed in the flange
plate
.
Secure the flange plate to the wing with f
our #2
x 3/8" [10mm] scre
ws and #2 flat w
ashers
.
❏
17.
Repeat steps 1-16 f
or the other landing gear
.
Install the Retract Har
d
w
are
❏
1.
Glue the plyw
ood
air contr
ol v
a
lve plate
to the
ser
v
o
tr
a
y
and glue the tw
o plyw
ood tr
iangle shaped
gussets as sho
wn.
❏
2.
Install a ball link ball to the control v
alv
e with a
.080 n
u
t.
Be sure to use a small amount of thread
loc
k
e
r when secur
ing the n
u
t.
Inser
t the air control
v
alv
e into the plate
.
Secure the v
alv
e to the plate with
the n
u
t.
Be sure to use a small amount of thread loc
k
er
when secur
ing the n
u
t.
❏
3.
Install the retr
act ser
v
o
into the ser
v
o
opening
in the tr
a
y.
Secure it the same w
a
y y
ou did the other
ser
v
o
s
.
Install a n
ylon ball link onto the 2-56 x 6"
[152mm] threaded rod appro
x
imately 15 tur
ns
.
Then
install the n
ylon ball link onto the ball.
Center the air
control v
alv
e ar
m and center the ser
v
o
.W
ith a fine tip
mar
k
e
r, mar
k the wire where it aligns with the outer
hole of the ser
v
o
ar
m.
Mak
e a 90 deg
ree bend on the
mar
k.
Cut the wire so the wire is 3/8" [10mm] in
length after the bend.
Inser
t the wire into the ser
v
o
ar
m and loc
k
it in place with a n
y
lon F
aslink.
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