Flight Model YAK-54 35-40CC Operation instructions

CAUTION : this plane is not a toy!
Before use , please carefully read this manual.
●First-time builders should seek advice from people having building
experience in order to assemble the model correctly and to produce its
●Assemble this kit only in places out of children’s reach!
●Take enough safety percautions prior to operating this model.
You are responsible for this model’s assembly and safe operation!
●Always keep this instruction manual ready at hand for quick
reference,even after completing the assembly.
Radio:6channels 6-7servos;
Flying Weight:4500-5100g;Wing Span:76.7in/1950mm;
Wing Area:71.8sq.dm;
Length:73.5in/1867.3mm;
performance to full extent .
Engine:35-40CC GAS;
P.1

Gather the wings and joiner
parts as show.
Install the aileron horns in place
with AB glue.Align the holes in the
horns .Install the servo after
pulling the servo extention wire
in the wing.Install the servo arm
on the servo and loctitle it in place
on the mount screw.Install the
pushrod and control horn.
●Check for movement and center
on the servo for the aileron to be
in a level resting position.
●Check to make sure you have
the servos in a reverse manner
so ailerons with work properly.
MAIN WINGS
P.2

Find out the holes in each sides
of fuselage,then remove the
covering.Insert the carbon joiner
in place,then put on wings.
●Check to make sure you have
the carbon in a right length in the
wings.
Mounting the wings with
plastic bolts on both sides.
Plastic
bolt
P.3

●Make sure to apply Vaseline to
the rudder hinges to prevent the
epoxy from getting in to the joint.
●Make sure to allow room for
epoxy to penetrate the hinges.
Carefully slide the rudder onto
each hinge and against the trailing
edge of the fin.Wipe away excess
epoxy with alcohol wetted wipes.
●Ensure there is no gap
between fin and rudder.
Install the rudder servo in the
fuselage that prepared by factory.
Feed the rudder cable through the
cable exit tube in the tail of the
fuse toward the front of the fuse.
Repeat on other side.
Adjust rudder pull-pull cables
to desied tension by screwing in
or out on the threaded couplers
and or ball links.Make all adjust-
ments with the rudder servos still
rudder still taped in the neutral
position.
RUDDER AND TAIL WHEEL
Push
rods
Rudder
servo arm
P.4

●Ensure the servo doesn't bind
at center or at either end point.
Drill holes in the hardwood tail
wheel mount and install the blind
nut through the opening in the
rear of the fuse.
Install the mounting screw for the
tail wheel.
●Ensure it has been totally
screwed into the blind nuts.
Install the hatch over the opening in the rear of the stabilizer with 4 screws
.
Mount the elevator onto the stab
making sure you use Vaseline in
the hinge points so the glue will
not stick the hinge shut.
Install the control horns in place
for the elevator horn before sliding
the stab in place.
Screw the threaded pushrod and
swivel in place onto the elevator
horn.Plug in a 24"servo wire
extension and use a securing clip
provided to make sure they don't
come unplugged in flight.
STABILIZER AND ELEVATOR
A
luminum
steering peg
P.5

Mount the elevator servo in place
and pull the servo wire extension
up toward the front.
●Make sure the bolts has been
totally screwed into the blind nuts.
Install the servo arm to the servo
after making sure the elevator is
level with the stab with the servo
is in dead center.Tape the
elevator in place using blue
painter's masking tape.
Install elevator servos on
each sides of tailplane.
Bolt on tabs for
stabs
P.6

Elevator pushrod.
Gather the wheels,axles and
collars as shown.
Install the main landing gear with
the bolts provided and use blind nut
s
already installed and use blue
Loctite on the mounting bolts.
Install the main landing
gear on the bottom of the
fuselage.
MAIN LANDING GEAR
P.7

Permanently tighten the axle to
the gear strut by wrenches.
Install wheel pants with two
mounting bolts.
Wheel pants take a lot of abuse,
mount securely!
The finished photo as shown.
P.8

Install the four adapter to the Install the motor to the four
motor inount. adapter and use screws to
lock motor and adapter.
Use screws to lock cowling. The finished
p
icture
as shown.
Install the propeller and
aluminium spinner.
THE MOTOR INSTALLED
P.9

Measure the length of the engine
from the firewall mounts to the
prop thrust washer for the proper
distance allowing 1/4" to 1/2" from
the dege of the cowl.
Move if needed.
From the exhaust muffler inserted
in the position, and then from the
exhaust machine belly place flat,
fixed.
In the fuselage bottom find machine
belly，then cover with lid on
abdomen, screw machine belly
cover.
Glow Engine Installation
Aircraft
machine
belly
P.10

Slide the rubber backed washers
on the hatch mounting bolts and
insert bolts through the hatch
mounting holes and into the fuse
blind nuts.Tighten snugly but do
not over tighten and crush the
hatch or the fuse sides.
CANOPY
CG POSITION & CONTROL THROWS
P.11

Flight Model MFG CO
http://flight-model.preview.alibaba.com/
ADD:No.10,Fu Ning Street,Xian Xi Industrial,Chang An Town,Dong
Guan City,Guang Dong Province,China
Tel: [phone]
5
Fax: [phone]
E-mail:[email protected] / [email protected]
Web: http://www.flight-model.com/product/eindex.asp
Finished Photo
P.12