Assemb le and install wheel pants – Top Flite TOPA0300 User Manual
Page 45
❏
4. T
ape the Co
wl on the front of the fuse
.
Extend the center
lines y
ou dre
w in step 2
forw
ard to the line on the Co
wl. Dr
ill 1/16” pilot
holes into the Co
wl Mounting Bloc
ks at each
intersection. Remo
v
e
the Co
wl and enlarge the
holes in
onl
y the Co
wl
to 3/32”.
❏
5. Install the needle v
alv
e
. If y
ou will be using
a 4-strok
e engine
, install the chok
e control wire
as w
e
ll.
❏
6. Use thin cardstoc
k or a file f
older to mak
e
location templates
as sho
wn in the photo
. In
the case of a 2-strok
e engine y
ou will need
templates f
o
r the glo
w plug access
, needle v
alv
e
and m
u
ffler e
xhaust. Larger 4-strok
e engines will
also require a template f
or the cylinder head and
chok
e b
u
tton. T
ape these securely to the fuse
behind F-1.
❏
7. Remo
v
e
the control e
xtensions (and 4-
strok
e engine if that is what y
ou ha
v
e
chosen) b
u
t
lea
v
e the templates in place
. Slide the co
wl
under the templates and f
asten in position with
#2 x 3/8” sheet metal scre
ws
. Use a pen to tr
ace
the openings on the co
wl. Remo
v
e
the co
wl, then
use a Moto-T
ool and g
rinding stone (or po
w
e
r
dr
ill and a round file) to cut the openings
.
❏
8. Put the engine bac
k on the mount with a
couple of scre
ws
, then chec
k the fit of the co
wl
openings
. Mak
e adjustments as necessar
y,
a
little at a time
.
❏
9. Dr
ill a 3/8” hole in the co
wl betw
een F-1
and the engine’
s carb to install an optional fuel
filler v
alv
e (GPMQ4160).
❏❏
1. T
rim the upper and lo
w
e
r
Wheel P
ants
to
the cut lines
. Sand the edges smooth with 150-
g
rit sandpaper
.
❏❏
2. P
osition a Main Landing Gear str
ut in the
recessed por
tion of the lo
w
er section of the
Wheel P
ant,
5/16” abo
ve the bottom edg
e
.
Mar
k the axle hole through the Landing Gear
.
❏❏
3. Dr
ill a
3/16”
hole through the mar
k
y
o
u
just made and also through the
inde
x mark
on
the 1/16” die-cut birch ply
Axle Suppor
t.
❏❏
4. Glue the 1/8” die-cut balsa
Wheel P
ant
Spacer
s
to the ply Axle Suppor
t as sho
wn. T
est
fit the suppor
t assemb
ly inside the Wheel P
ant,
then sand the balsa Spacers to match the
contours of the Wheel P
ant.
❏❏
5. T
o
align the suppor
t assemb
ly
, inser
t the
8-32 x 1-1/2”
Axle Bolt
through the hole in the
Wheel P
ant. Slide the suppor
t assemb
ly onto
the bolt and glue it in position to the inside of the
Wheel P
ant with medium CA.
Assemb
le and install wheel pants
45