CYmodel YAK 3U CY8021 Manuel utilisateur

SAFETY PRECAUTIONS

This radiocontrol modelis nota toy!

lFirst-time buildersshould seekadvice frompeople havingbuilding

experience inorder toassemble themodel correctlyand toproduce

its performanceto fullextent. ,

lAssemble thiskit onlyin placesout ofchildrens reach!

lTakeenough safetyprecautions priorto operatingthis model.

You areresponsible forthis models assemblyand safeoperation!

lAlways keepthis instructionmanual readyat handfor quick

reference,even aftercompleting theassembly.

lCould causeserious injuryor evendeath

SPECIFICATION

YAK 3UYAK 3U

ALMOST - READY - TO - FLYALMOST - READY - TO - FLY

Before commencing assembly,please read these instructions thoroughly.

Thank you for choosing CYmodel

Global : www.cymodel.com

Australia : www.austars-model.com

Italia : www.biellaexpress.com

Instruction Manual

Item Nr: CY8021

Wing Span.......2440mm/96in

WingArea........83.4dm /1293sq.in

Total Length.....2220mm/87.4in

Engine:80-100cc gas engine

Radio:6 channels,8-9 servos

REQUIRED FOR OPERATION (Purchase separately)REQUIRED FOR OPERATION (Purchase separately)REQUIRED FOR OPERATION (Purchase separately)REQUIRED FOR OPERATION (Purchase separately)

TOOLS REQUIRED ( Purchase separately)TOOLS REQUIRED ( Purchase separately)TOOLS REQUIRED ( Purchase separately)TOOLS REQUIRED ( Purchase separately)

BEFOREYOUBEGINBEFOREYOUBEGINBEFOREYOUBEGINBEFOREYOUBEGIN

SharpHobby Knife Phillips Screw Driver Awl

NeedleNose Pliers Wire Cutters Scissors

Read through the manual before you begin ,so you will have an overall idea of what to do.

Check all parts .if you find any defective or missing parts .contact your local dealer.

Symbols used throughout this instruction manual,comprise.

111

222

333

Warning!

Do not overlook this symbol.

Aminimum 6channel radio for airplanes (with 9servos).

And dry batteries.

CAUTION: Only use a minimum 6channel radio for

airplanes! (No other radio may be used!)

12 AA-size Batteries

Aminimum 6 channel

transmitter for airplanes.

For handing the radio properly.refer to its instruction manual.

Engine and Muffler

Purchase a propeller that

will match your engine

Silicone Tube Fuel Filter

required for engine starting Glow engine fuel only.

WARNING: Normal gasoline cannot

be used with glow engines.

Fuel Pump Plug Wrench

Glue

Instant glue

Epoxy Glue

Other equipment for enhancing

airplane operation & perormance

12VBattery (for starter)

Engine Starter

BBBB

Cut off shaded portion.

Ensure smooth non-binding

movement while assembling.

Must be purchased

separately!

Pay close attention

here!

Drill holes with the specified

Diameter(here:2mm)

Assemble left and right

Sides the same way.

Apply instant glue

(CA glue,super glue).

Apply epoxy glue.

Cut off excess.

502

C.AC.A

AB2mm2mm

Model Airplaneengine:80-100ccgasengine

receiver

Battery (need 2)

Servo(need 9 servos )

remote control

Switch (need 2)

Muffler

Install the aileron and flap

Install the servo of aileron

Install the servo

Aileron

Flap

Hinge

Install the aileron and flap

Bottom view

Install the servo of flap

Hinge

Accessory list for this page.

Securely glue together. If comingoff duringflights,you'll

lose control ofyour airplane whichleads to accidents!

Warning!Warning!

FlapAileron

- - - - - - - - 6

- - - - - - - - 10

A B

Make sure hingesare

mounted in thesame line

Flap Aileron

Tailing edge

Aileron

4mm

Servo line

Rod adjuster

2.5X85mm rod

HORN

3X16 Screw

Rod adjuster

3mm Lock nut

Rod adjuster

2.5X85mm rod

HORN

3X16 Screw

Rod adjuster

3mm Lock nut

2.6X12mm Tp Screw

Rod adjuster

2.5X85mm rod

HORN

3X16 Screw

Rod adjuster

3mm Lock nut

2.6X12mm Tp Screw

Accessory list for this page.

Install the elevator

Securely glue together. If comingoff duringflights,you'll

lose control ofyour airplane whichleads to accidents!

Warning!Warning!

Bottom view

Install the elevator

make sure hingesare

mounted in thesame line

Hinge

- - - - - - - - 8

Install the elevator servos

Install the rudder

make sure hingesare

mounted in thesame line

Hinge

- - - - - - - 4

A B

Rod adjuster

2.5X85mm rod

HORN

3X16 Screw

Rod adjuster

3mm Lock nut

Rod adjuster

2.5X85mm rod

HORN

3X16 Screw

Rod adjuster

3mm Lock nut

Hinge

12 15

1414

Accessory list for this page.

Install the rudder

Install the tail wheel

Install the servos of rudder&tail wheel

Install the tail wheel

Securely glue together. If comingoff duringflights,you'll

lose control ofyour airplane whichleads to accidents!

Warning!Warning!

Tailing edge

Rudder

4mm

Aluminium tube

Rod

Steel wire

Rod adjuster

HORN

3X16 Screw

3mm Lock nut

Aluminium tube

Rod

Rod adjuster

3X16 Screw

3mm Lock nut

3.2mm Collar

3.2mm Nylon Collar

3X3mm Screw

6X9 screw

M3X20 Tp screw

3.2mm Rocker

6mm nut 1

Spring 2

3.2mm Collar

3.2mm Nylon Collar

3X3mm Screw

6X9 screw

M3X20 Tp screw

3.2mm Rocker

6mm nut 1

Aluminium tube

Rod

Steel wire

Rod adjuster

HORN

3X16 Screw

3mm Lock nut

Rod adjuster

Spring 2

17 20

Accessory list for this page.

Install the main landing gear

502

C.A

Pleas notice the inner diameter for each

side of the pressure reduction inlet.

Please insure the sealing of the retract

system before flight .

Install the main landing gear

After glue the PVC cover,

cut off its excess part.

Install the main landing gear

Ply wood

- - - - - - - - - - - -2

Retainer

Rod adjuster

2X8mm screw

- - - - - 1

Rod (1.8X80mm)

- - - - - 1

900 Air line

- - - - - 2

3X20mm Tp screw

- - - - - 8

8mm nylon Nut

- - - - - 4

Retainer

Rod adjuster

2X8mm screw

- - - - - 1

Rod (1.8X80mm)

- - - - - 1

900 Air line

- - - - - 2

Fuselage installing

5X30mm screw

5mm Washer

- - - - - - - - 4

- - - - 4

Air tank

Switch

Air inlet

3-way

pressure inlet

3-way

pressure inlet

3-way

pressure inlet

Quick release connector

Strut

5X30mm screw

5mm Washer

- - - - - - - - 4

- - - - 4

3X5mm screw

- - - - - - - - - - - -4

Ply wood

3X5mm screw

- - - - - 4

- - - - - 2

3X20mm Tp screw

- - - - - 8

4mm Lock nut

- - - - - 2

4mm Lock nut

- - - - - 2

3mm3mm

21 24

Accessory list for this page.

Horizontal

(Put the servo into the fuselage)

Main wing&Horizontal/Vertical tail

Securely glue together

,if coming off during flights.

You lose control of your airplane

which leads to accidents!

4mm4mm

4X25mm screw

4mm Washer

- - - - - - - - 2

- - - - 2

Installing the engine mount

Main wing

(Put the servo line into the fuselage)

8mm nylon Nut

- - - - - 4

Installing the engine (80-100cc)

3X16mm screw

- - - - -12

3mm Lock nut

- - - - - 12

3mm Washer

- - - - - 24

Aluminium plank

- - - - - 2

3mm3mm

A B

275mm

Fuel tankFuel tank

ThrottleThrottle

4X25mm screw

4mm Washer

- - - - - - - - 2

- - - - 2

3X16mm screw

- - - - -12

3mm Lock nut

- - - - - 12

3mm Washer

- - - - - 24

Aluminium plank

- - - - - 2

8mm nylon Nut

- - - - - 4

27 30

Accessory list for this page.

Radio Equipment

Install the thr cowling

ReceiverReceiver

BatteryBattery

Battery/IgnitionBattery/Ignition

Install the canopy

SpinnerSpinner

PropellerPropeller

3mm Washer

- - - - - 2

3X30mm screw

- - - - - 2

3mm rubber band

- - - - 2

2.3X10mm Tp screw

- - - - -8

1.8X200mm Rod

- - - - - - 1

Linkage Stopper

2mm Nut

- - - - 1

3X3mm Screw

- - - - - - 1

After confirmingthe

position(see frontof

fuel tank).

Insert and tighten

the screw.

Fuel supply line

Fuel pipe Air pressure line

Assembly of the full tank

Install the throttle servo

Cut awaythe surpluspats ofcanopy,

care fullyalong theshaded line.

3mm Washer

- - - - - 5

3X14mm screw

- - - - - 5

3mm rubber band

- - - - 5

1.8X200mm Rod

- - - - - - 1

Linkage Stopper

2mm Nut

- - - - 1

3X3mm Screw

- - - - - - 1

3mm Washer

- - - - - 7

3X30mm screw

- - - - - 2

3mm rubber band

- - - - 7

2.3X10mm Tp screw

- - - - -8

3X14mm screw

- - - - - 5

32 34

Side view

ELEVATOR

Adjust the travel of each control surface to the

values in the diagrams.

These values fit general flight capabilities.

Readjust according to your needs and flight level.

Top view

AILERON

Adjustment.

Top view

Adjust the travel of each control surface to the

values in the diagrams.

These values fit general flight capabilities.

Readjust according to your needs and flight level.

Adjustment.

Never fly before checking the Cg s required position.

In order to obtain the CG specified ,reposition the

receiver and battery.

NEVER fly the model

without well balancing.

Warning!

Side view

Rudder

Adjust the travel of each control surface to the

values in the diagrams.

These values fit general flight capabilities.

Readjust according to your needs and flight level.

Top view

205-215mm205-215mm

Adjustment

Side view

Adjustment.

Flap

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