Pilot RC 50cc Yak-54 User manual

www.pilotwww.pilot--rc.comrc.com
Assembly Manual For

1
INTRODUCTION
Thank you for purchasing
our new 50cc Yak-54. we strive
to achieve the real Quick
Builded and ARF aircraf .
It just requires the least
amout of assembly of any kit
that almost finished in
factory.To obtain the perfect
performence,both the design
and manufacturing have been
taken care with the highest
quality from any
hardware,covering ,wood and
glue in the construction as
well.By optimal weight and
reliable construction,you will
find this plane is really ideal
for 3D - Freestyle and
aerobatic.
So we hope every effort and
service we offer will make you
feel easy and have a wonderful
time in the pleasure of flying in
3D space.
More information on website
www.pilotwww.pilot--rc.comrc.com

2
WARRANTYWARRANTY
■All Pilot-RC products are guaranteed against
defects for 30 days of receiving your airplane. This
warranty is limited to construction or productions
defects in both material and workmanship , doesn't
cover any component parts damaged by use or
modification .
■The manufacture can't supervise the assembly
,operation and maintenance ,and can't ensure your
radio system is in good condition.Therefore ,we are
not responsible for any damage occurring during
the use of a radio controlled model. It is impossible
to determine for certain wehther crash damage was
the result of a radio systerm failure or pilot error even
improper installation of our products.Model airplane
owner is using it on his own responsibility.
■In no event should Pilot-RC accept the liability
exceeds the original cost of the airframe (not include
engine and radio system).
■No matter what reason you wish to return this
airplane , all shipping cost will be paid by costumer.If
some parts require replacement from us ,the original
parts’return is at costumer' expense.

3
ATTENTIONATTENTION
■You should not regard this plane as toy!
■To ensure safety,please read the instruction
manual thoroughly before assembly .
■Building and operating model plane require
diligent practicing and correct guidance.Any
neglect,carelessness and missing experience can
cause serious bodily harm and property damage.
■Seek the assistant of a experienced person or
airplane model clubs in assembly ,operation and
maintenance to ensure quick and successful learning
■Fly only in proven model airfield thatAMA
(Academy of Model Areonautics) approved
Pilot-RC has the right to change to this plane
,instruction and limited warranty without notice.
If you have any problems and questions ,please
contact pilot –RC
Email: [email protected] , [e-mail]
Cellphone:[phone]
FAX: [phone]
Address: No.34, Chengnan Er Road , Zhongshan city, 528400, Guangdong
Province, China

4
Introduction ……………… ….………..….…….….
Warranty …………………….……..… .…..…….
Attention …………….…………..… .……..…….
Fuselage Unit
Rudder Assembly
Rudder Control Horns ………..……. …...……..
Tail Wheel Installation …………..… …..........
RudderAxis Installation ……. ……...….……..
Landing Gear Assembly .
Main Landing Gear Installation ………….…..…….
Pants Installation …………..….………
Servo Unit
Wing Servo Assembly
ServoArm Installation ………….….……….
Aileron Control Horns ………….……….…..
Servo Installation …….…………..……
Rudder Servo Assembly
Servo Tray Installation ….…….….......……..
Servo Installation ……….….……...……
Elevator Servo Assembly
ServoArm Installation ………….…………….
Elevator Control Horns ……………....….…
Servo Installation ……………….....………
Switch Assembly ………….……….....………
Engine Unit
Firewall Assembly ……….…….....……….
Engine Assembly ……….…..……..……
Throttle Servo Assembly ….….…...…….……
Ignition Module ………….…….……….
Hatch And Fule Tank ………….….……....……
Crowl Assembly …………………......……
CG And Control Throws …………………………..
Flight Preperation …...…………….….…..……
INDEX
1
2
3
18
20
5
7
9
10
12
13
14
16
23
24
25
28
29
31
31
33
34
35
37
40

5
Rudder Assemby
Rudder Control Horn
2. Trace around the locking plate
with kinfe and cut off the cover
below.Then the pre-cut slots appear
1. Tear off the cover on the horns
and locking plates
Fuselage Unit

6
Rudder Assembly
3. Scuff the middle of horns with a
piece of sand paper for good glue
bond.Then clean up the surface
4. Apply the 30 minutes epoxy
inside the pre-cut slot, and coat the
horn with epoxy as shown
5. Slid the horns into slots slightly
Mount the locking plates in
place.Wipe away excess glue with
rubbing alcohol
6. Make sure the horns line up (by
installing the steer bolts )and align
the both side before epoxy has
cured

7
Tail Wheel Installation
Rudder Assembly
1. Draw a center line with a pencil
as shown
3. Install the blind nuts through the
opening in the rear of the fuse and
mount screws for the tail wheel
using Blue Loctite in the thread
2. Drill holes on the tail wheel
mounting block according the bracket
taped on place or mounted with bolt
as shown

8
4.Install the hatch over the opening
in the rear of fuse with 4 screws in
accordance with the pre-drilled holes
5. Mount the self-tapping screw and
washer in rudder and ensure the
proper length without the spring
excess tension
Rudder Assembly

9
Rudder Axis Installation
1. Stick out the cover through the
pre-installed brass tube inside
with the sharp side of rudder axis
2. Align the rudder in place and
thread the long axis through the
rudder hinges
Rudder Assembly
This demountable rudder design
could offer more room for you to
ship and store

10
4. Tighten the collar set screw with
1.5mm Hex Wrench as shown
Main Landing Gear Installation
NOTE: the correct edge in mounting
Taper to
rear
Straight
edge to
front of
fuse
Landing Gear Assembly

11
Landing Gear Assembly
1. Install the landing gear with the
bolts and locking nuts
Note:Don’t over tighten and crack
the carbon fiber
2. Install the landing gear axles with
lock nut ,but do not tighten
4. Make the flat sides of the axle bolt
vertical with ground .Then tighten the
lock nut against the landing gear strut
3. Lift the rear of fuse to line it up
with ground as shown

12
Landing Gear Assembly
1. Lift the rear of fuse and line the
wheel pant up with the ground by
slipping them over the axles and
supporting them from the rear for the
proper clearance
2. Drill the holes for the mounting
bolts and install the blind nuts.
3. Finish the wheel pants mounting
with the bolts and use Blue Loctite
on the threads
5. Install the collars and wheel in
order with a drop of Blue Loctite on
the collar set screw and ensure the
wheel is free to rotate.
Pants Installation

13
Servo Unit
Wing Servo Assembly
Minimum Request Servo:
Servo Arm Installation
1. Turn on your transmitter and
plug the servo into receiver. Ensure
every channel is neutral
2. Ensure the servo arm is 90
degrees with servo as shown. Then
mark and drill holes with 2mm bit
3. Mounting screws and nuts
180 in.zo / Metal Gear / Digital
Adrop of
fast cured
gule here
Pre fasten the
arm with drops
of fast cured
gule on edge

14
Aileron Control Horns 1. Tear off the cover on the horns
and locking plates
Wing Servo Assembly

15
4. Apply the 30 minutes epoxy
inside the pre-cut slots, and coat the
horn with epoxy as shown
5. Slide the horns into slots slightly
and Mount the locking plate in
place. Align the right and left sides
before epoxy has cured.Wipe away
excess epoxy with rubbing alcohol
Wing Servo Assembly
2. Trace around the locking plate
with kinfe and cut off the cover
below.Then the pre-cut slots appear
3. Scuff the horns with a piece of
sand paper for good glue bond.Then
clean up the surface

16
1. Cut out the cover for servo location
carefully as shown
3. Tape the lead to pull-string
tightly. In order to ensure the servo
wire can be pulled out without
hanging up inside wing
2. Lock the connector with the
provided safety clip against vibration
and loosened tension as shown
Wing Servo Assembly
Servo Installation

17
4. Then put the extention lead
through the root of wing
5. Install servo with mounting
screws. Face the brand toward the
trailing edge of the wing. Use 1mm
bit to drill the mounting holes
Wing Servo Assembly
6. Install the servo arms facing
toward the wing tip and adjust
pushrod in proper length to keep the
aileron panel on the neutral position
7. Repeat all the step above for the
other wing
The carbon tube and wing bolts use
to be mounted in the final assembly

18
Rudder Servo Assembly
Servo Tray Installation 2. Drill holes with 2mm bit
Adrop of fast
cured gule here
3. Mounting screws and nuts
Minimum Request Servo:
180 in.zo / Metal Gear / Digital
1. Turn on your radio device
according the Wing Servo
Installation.Keep the tray holes on
center and the arm aligned with
brand as shown. Then tape tightly
Or pre fastenthe arm
with dropsof fastcured
gule on edge

19
6. Cut off the excess horn as shown
7. Attach the two rudder coupler rods
to both rudder servo arms. Adjust the
precise length of the rudder coupler
rods at center position after the servos
have been mounted.Secure with bolts
and locking nuts
4. Repeat above step for other
horn and gether the coupler rods
5. Use 3mm bit to drill the coupler
mounting holes which must be lined
up with the center of servo tray and
symmetrical on both side.Drill the
same holes for the other horn
Rudder Servo Assembly