JR ProPo JR Ergo User manual

.32-.36 AND .46 ASSEMBLY INSTRUCTIONS
ERGO SPECIFICATIONS
Overall Length 46.5"
Overall Height 16.38"
Main Rotor Diameter 48.5" (.32-.36)
50" (.46 3D)
Tail Rotor Diameter 9.17"
Gear Ratio 9.78:1:5.18
Gross Weight 6.75-7.0 lbs.
Heli Division

INTRODUCTION
Congratulations on your purchase of the JR Ergo helicopter kit.
This kit has been both engineered and manufactured by JR with help from some
of Japan’s top R/C helicopter engineers (now employed by JR).
As you may well know, the name JR has for years been synonymous with state-
of-the-art, high quality radio control systems known the world over for their
exceptional reliability and engineering.
JR now brings this reputation and knowledge into the helicopter market with the
development of the Ergo and the organization of the JR heli division.Years in the
making, the Ergo’s superior quality and exceptional parts fit and finish create a
new standard of quality that was previously unavailable.
Before you begin the assembly of your Ergo, we suggest that you first review the
entire instruction manual to become familiar with the assembly sequences and
parts layout.
WARNING
The radio controlled model helicopter contained in this kit is not a toy, but a
sophisticated piece of equipment. This product is not recommended for use by
children. Radio controlled models such as this are capable of causing both
property damage and/or bodily harm to both the operator/assembler and/or
spectator if not properly assembled and operated. Horizon Hobby Distributors
assumes no liability for damage that could occur from the assembly and/or
use/misuse of this product.
AMA INFORMATION
We strongly encourage all prospective and current R/C aircraft pilots to join the
Academy of Model Aeronautics. The AMA is a non-profit organization which
provides services to model aircraft pilots.As an AMA member you will receive a
monthly magazine entitled Model Aviation, as well as a liability insurance plan to
cover against possible accident or injury. All AMA charter aircraft clubs require
individuals to hold a currentAMA sporting license prior to operation of their
models. For further information, you can contact theAMA at:
Academy of Model Aeronautics
5151 East Memorial Drive
Muncie, IN 47302
[phone]
PRE-ASSEMBLY INFORMATION
When first opening your Ergo kit, you will notice that all of the parts are
packaged and numbered to coordinate with the assembly step numbers of this
instruction manual.
All small hardware (nuts, bolts, washers, etc.) for each step are separated and
packaged separately within the main parts bags. When beginning a section, you
will need to open only the bag with the corresponding number to the section you
are going to start. It is suggested that you place all of the hardware in an open
container (e.g., coffee can) during assembly so as not to lose any of the small
parts. It may also be helpful to familiarize yourself with the various sizes of
screws, bolts, nuts, etc., as illustrated in the appropriate assembly section before
you begin assembly. At the end of each assembly, in most cases, there should be
no parts remaining.
Great care has been taken in filling the bags with the correct quantity of parts and
hardware for each section. However, occasionally mistakes do happen. In the
event that you find a parts shortage or are in need of technical assistance, please
contact your local JR heli division parts dealer, or contact the Horizon Service
Center directly.
Horizon Service Center
4105 Fieldstone Road
Champaign, IL 61821
[phone] (9am to 5pm CST)
2

3
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Hardware Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1-1 Clutch Bell/Start Shaft Assembly . . . . . . . . . . . . . . . . . . . .8
1-2 Tail Drive Pinion/Bearing Block Assembly . . . . . . . . . . . .8
1-3 Control Ball Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .9
1-4 Servo Mixing Lever Unit Assembly . . . . . . . . . . . . . . . . .9
1-5 Elevator Arm Assembly . . . . . . . . . . . . . . . . . . . . . . . . . .10
1-6 Fuel TankAssembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2-1 Upper Main Frame Section Assembly . . . . . . . . . . . . . . .11
2-2 Upper Main Frame Control Lever Installation . . . . . . . . .12
2-3 Lower Main Frame Assembly . . . . . . . . . . . . . . . . . . . . .13
2-4 Fuel Tank Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
2-5 Front Radio Bed/Gyro Mounting Plate Installation . . . . .14
2-6 Cooling Fan Shroud Installlation . . . . . . . . . . . . . . . . . . .14
2-7 Upper/Lower Main Frame Assembly Attachment . . . . . .15
3-1 Main Drive Gear/AutorotationAssembly . . . . . . . . . . . . .16
3-2 Main Drive Gear/AutorotationAssembly Installation . . .16
3-3 Landing Gear Assembly Installation . . . . . . . . . . . . . . . .17
3-4 .32/.36 Cooling Fan/Hub Installation . . . . . . . . . . . . . . . .17
3-4.1 .46 Cooling Fan Installation . . . . . . . . . . . . . . . . . . . . . . .18
3-5 .32/.36 Engine Mount Attachment . . . . . . . . . . . . . . . . . .18
3-5.1 .46 Engine Mount Attachment . . . . . . . . . . . . . . . . . . . . .19
3-6 Clutch Assembly Attachment (ALL) . . . . . . . . . . . . . . . .19
3-7 Engine Installation (ALL) . . . . . . . . . . . . . . . . . . . . . . . . .20
3-8 Installation of the Muffler . . . . . . . . . . . . . . . . . . . . . . . . .20
4-1 Rotor Head Hub Assembly . . . . . . . . . . . . . . . . . . . . . . . .21
4-2 Main Blade Holder Assembly . . . . . . . . . . . . . . . . . . . . . .21
4-3 Main Blade Holder/SeesawAttachment . . . . . . . . . . . . . .22
4-4 Seesaw MixingArm Installation . . . . . . . . . . . . . . . . . . .22
4-5 Swashplate/Washout Assembly Installation . . . . . . . . . . .23
4-6 Rotor Head Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .24
4-7 Flybar Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
4-8 Flybar PaddleAttachment . . . . . . . . . . . . . . . . . . . . . . . . .25
4-9 Rotor Head/Swashplate Control Rod Installation . . . . . . .26
5-1 Tail Output Shaft/Pulley Assembly . . . . . . . . . . . . . . . . . .27
5-2 Tail Gear Case Assembly . . . . . . . . . . . . . . . . . . . . . . . . .27
5-3 Tail Center Hub Assembly . . . . . . . . . . . . . . . . . . . . . . . .28
5-4 Tail Blade Holder Assembly . . . . . . . . . . . . . . . . . . . . . . .28
5-5 Tail Pitch Control Lever Installation . . . . . . . . . . . . . . . . .29
5-6 Tail Fin Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
5-7 Tail Boom Carrier Installation . . . . . . . . . . . . . . . . . . . . .30
5-8 Tail Boom Assembly Installation . . . . . . . . . . . . . . . . . . .30
5-9 Tail Boom Brace Assembly . . . . . . . . . . . . . . . . . . . . . . .31
5-10 Tail Boom Brace Installation . . . . . . . . . . . . . . . . . . . . . .31
6-1 Upper Servo Tray Installation . . . . . . . . . . . . . . . . . . . . . .32
6-2 Servo/Switch Harness Installation . . . . . . . . . . . . . . . . . .33
6-3 Tail Control Rod Assembly . . . . . . . . . . . . . . . . . . . . . . .34
6-4 Tail Control Rod Installation . . . . . . . . . . . . . . . . . . . . . .34
6-5 Gyro/Receiver/Battery Installation . . . . . . . . . . . . . . . . . .35
Radio System Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
7-1 Aileron Linkages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
7-2 Elevator Linkage Installation . . . . . . . . . . . . . . . . . . . . . .37
7-3 Collective Linkage Installation . . . . . . . . . . . . . . . . . . . . .38
7-4 Tail Control Rod Servo Connection . . . . . . . . . . . . . . . . .38
7-5 Throttle Linkage Installation (ALL) . . . . . . . . . . . . . . . . .39
8-1 Body Assembly/CanopyAttachment . . . . . . . . . . . . . . . .40
8-2 Body Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
8-3 Main Rotor Blade Balancing . . . . . . . . . . . . . . . . . . . . . .41
8-4 Main Rotor Blade Attachment . . . . . . . . . . . . . . . . . . . . .41
ServoAdjustment and Radio Set Up . . . . . . . . . . . . . . . . . . . . . . .42-43
Data Sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44-49
Final Pre-Flight Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
General Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Rotor Head/Swashplate/Washout Assembly Parts List . . . . . . . . .52-53
Start Shaft/Clutch/Engine Assembly Parts List . . . . . . . . . . . . . . .54-55
Cyclic Mixing Arms/Elevator/Aileron Control Arms Parts List . .56-57
Upper Main Frame/Radio Tray/Body Set Parts List . . . . . . . . . . .58-59
Lower Main Frame/Landing Gear/Fuel Tank Parts List . . . . . . . .60-61
Tail Boom/Tail Brace/Tail Boom Carrier Parts List . . . . . . . . . . .62-63
Tail Case/Tail Blade Holders/Tail Pitch Plate Parts List . . . . . . . .64-65
INDEX
Section Description Page Section Description Page

ITEMS REQUIRED TO COMPLETE THE JR ERGO
1. RADIO SYSTEM REQUIREMENTS (NOT INCLUDED):
6-channel or greater R/C helicopter system with 5 servos, 1000 mAh receiver battery and gyro.
(not supplied in kit)
ERGO .32-.36 AND ERGO .46 3D FEATURES
Heavy-DutyAluminum Quad Frame System
Provides excellent rigidity and vibration absorption.
One-Way Hex Start Shaft System
Provides positive starting. Starter shaft utilizes a one-way bearing
that allows the shaft to stop after the engine is started.
Wide Spread Tail Output Shaft Bearings
Reduces vibration and improves control response.
Belt-Driven Tail Rotor Design
Provides easy adjustment and low maintenance.Also eliminates
the need for optional/expensive tube drive shafts.
Precision Ball Bearings atAll Critical Locations
Provide low wear, high precision and reduced maintenance.
Unique Cyclic Mixing Control System
Offers easy adjustment and precise control.
Self-Aligning One-Piece Steel Clutch System
Offers easy installation and adjustment with exceptional reliability.
Pre-Assembled Control Linkages
High quality JR ball links are installed and pre-adjusted to take
the guesswork out of assembly while saving building time.
Straight Blade Axle Rotor Head Design
Provides high responsiveness and solid blade tracking.
Low Drag Flybar Paddles
Provide quick yet smooth cyclic response at all flight speeds.
Heavy-Duty Main Blade Grips With 4mm Blade Bolts
Provide a solid and secure mounting surface to easily handle
the stresses of radical 3D flight.
Rearward Facing Engine Design
Provides easy access to the glow plug for starting. Engine slips
easily through the main frame for trouble-free engine maintenance.
Heavy-Duty Tail Boom Carrier
Provides increased structural rigidity and improved tail rotor precision.
Pre-Finished Main Rotor Blades (.30 Kit)
Provide easy assembly with excellent flight characteristics.
Superior Parts Fit and Finish
Make assembly trouble free and enjoyable.
4

5
Double Sided Servo
Mounting Tape Locktite 242 or
equivalent
Nylon Wire Ties To
Secure Radio Wires Spiral Tubing
Silicone Fuel Tubing Whip Antenna
Fuel Filter
Glow Plugs
2. ENGINE REQUIREMENTS (NOT INCLUDED):
3. BUILDING SUPPLIES (NOT INCLUDED):
The following items are needed to complete the assembly of the JR Ergo:
A .32-.36 R/C Helicopter Engine (Ergo .30) or .46 R/C Helicopter Engine (Ergo .46) A special helicopter type muffler is also required
(Webra .33 Heli Engine Shown) (Thunder Tiger Pro .46 Heli Engine Shown)
(JRP960078 Ergo .32-.36 Muffler Shown)
(JRP960079 Ergo .46 Muffler Shown)

6
Needle Nose Pliers
Drill and Drill Bits
Allen Wrenches: 1.5, 2.0, 2.5,
3.0mm Blade Balancer
Small Hammer X-Acto Knife Metric Ruler
Scissors
12 Volt Electric Starter 12 Volt Starting Battery 1.5 Volt Glow Plug Battery Remote Glow Plug Adaptor
Helicopter Fuel 15% - 30%
Pitch Gauge
Fuel Pump
Ball Link Pliers Training Gear (Beginners Only)
Hex Starting Shaft
Phillips Screwdirver Nut Drivers: 5mm, 7mm
4. TOOLS NEEDED TO ASSEMBLE THE JR ERGO (NOT INCLUDED):
5. FIELD EQUIPMENT REQUIRED (NOT INCLUDED):

7
Socket Head Bolt Tapping Screw Flat Washer
.05mm
.05mm
Flat Head Screw Lock Nut
There are many various sizes and shapes of hardware included in this kit.
Prior to assembly, please be careful to identify each screw by matching it to the
full size screw outlines included in each step.
All of the hardware, screws, nuts, etc., contained in the Ergo kit are described in
the following A, B, C manner:
CC
C
A
A
B
A
A
B
B
BC
AB
3x8mm Socket Head Bolt
Set Screw
C
A
B
C
C
A
A
A
A
B
2x8mm Flat Head Screw
2.6x10mm Self Tapping Screw AB
B
3mm Flat Washer
AB
B
3mm Lock Nut
Spring Washer
AB
B
3mm Spring Washer
A
Hex Nut
AB
B
2mm Hex Nut
C
AB
4x4mm Set Screw
HARDWARE IDENTIFICATION
A
B
Flat Head Cap Screw
AC
B
C
3x8mm Flat Head Cap Screw

8
1-1
3x4mm Set Screw
3x4mm Set Screw
* When installing the Start Shaft
Bearing Block Assembly, be sure
the Bearing Block is positioned so
the Bushing faces upward toward
the starter hex adaptor, with the
bearing toward the Clutchbell
Assembly.
Starter Hex Adaptor
*Start Shaft Bearing Block Start Shaft
Complete Assembly
Clutch Bell Assembly
..........1 pc
3x6mm Socket Head Bolt
...1 pc
3mm Flat Washer
.........1 pc
CLUTCH BELL/START SHAFT ASSEMBLY
1-2 TAIL DRIVE PINION/BEARING BLOCK ASSEMBLY
Install the Lower Bearing Block so the
bearing face is toward the bottom:
Install the Upper Bearing Block so that
the bearing is toward the top:
Note: Be sure to allow a slight amount of
clearance between the Start Hex
Adaptor and the Bearing Block to
prevent binding.
Tail Drive Pinion
Bearing Blocks
Tail Drive Pinion
with Shaft
Front Tail Belt Pulley
(Install Flat Side Up)
3mm Flat Washer
3x6mm Socket Head Bolt
Complete Assembly
UP
UP
Bearing
Bearing
Use Threadlock
Use Threadlock

1-3
2x8mm Flat Head Screw
2x10mm Flat Head Screw
........1 pc
........8 pc
Steel Joint Ball........9 pc
2mm Nut ........3 pc
3x8mm Flat Head Screw
3x8mm Socket Head Bolt
........2 pc
Mixing Lever Bushing B ......1 pc
....1 pc
........1 pc
Nylon Washers ........5 pc
....1 pc
CONTROL BALL INSTALLATION
1-4 SERVO MIXING LEVER UNIT ASSEMBLY
Steel Joint Ball
Steel Joint Ball
Joint Ball (9 pc)
Roll Bell Crank
2x10mm Flat
Head Screw (8 pc)
2x10mm Flat
Head Screw
Mixing Base Arm
(Collective)
2mm Nut
2x8mm Flat Head Screw Mixing Lever (3 pc)
(Prepare 3 Sets)
2mm Nut
9
3x28mm Socket Head Bolt
Mixing Lever Spacer ........1 pc
Mixing Lever Bushing A ........1 pc
3mm Flat Washer ........1 pc
After assembly, any additional play or
movement in the Mixing Lever Unit can
be reduced by adding additional Nylon
Washers as needed.
Nylon
Washer
3mm Flat
Washer
3x28mm Socket Head Bolt
Nylon Washers
Mixing Lever Bushing B
Mixing Lever Bushing A
3x8mm Flat Head Screw
Mixing Base Arm (Roll)
Mixing Base Cross Member
3x8mm Flat Head Screw
Complete Assembly
Nylon Washers
3x8mm Socket
Head Bolt
Mixing Base Cross Member
Mixing
Lever
Spacer
Use Threadlock
Use Threadlock

1-5 ELEVATOR ARM ASSEMBLY
10
2x8mm Flat Head Screw
Steel Joint Ball ......2pc
Elevator Arm Pin ......2pc
..........2pc
2x8mm Flat Head Screw
Steel Joint Ball
Elevator Arm Front
Elevator Arm Pin
Steel Joint Ball
Swashplate A Arm
Swashplate A
Arms
Edge of Work Bench
Elevator Arm
Tap-in gently with
a small hammer.
Elevator Arm Rear
2x8mm Flat
Head Screw
Caution: Be sure to note correct Swashplate A Arm installation direction.
Elevator Arm (Front) Elevator Arm (Rear)
Marked Side Out
Swashplate A
Arm Swashplate A
Arm
Marked Side In
After assembly, check to be sure the
Fuel Tank Clunk can move from the
bottom to the top of the tank without
touching the back wall of the Fuel Tank.
Fuel Tank
Silicone Fuel Tubing
(not incuded)
Connects to Engine Carburetor
* Trim before installation to a length of 58mm
Nipple
Tank Grommet
* Silicone Tube (Small)
Fuel Tank Clunk
Silicone Fuel Tubing
(not included)
Connects to Muffler Pressure Tap
1-6 FUEL TANK ASSEMBLY

11
2-1 UPPER MAIN FRAME SECTION ASSEMBLY
Note: Be sure to use the two shorter Body
Mount Standoffs for this installation.
Note: Both the Clutch Bell/Start Shaft Assembly
(Step 1-1) and the Tail Drive Pinion/
Bearing Block Assembly (Step 1-2) are
temporarily installed at this time. These
assemblies will be adjusted and secured
in Step 3-2.
3x8mm Socket Head Bolt ..........21 pc
Body Mounting Standoffs Shaft .......2 pc
3mm Flat Washer
..........11 pc
2.6x8mm Self Tapping Screw ..........4 pc
3x10mm Socket Head Bolt
..........1 pc
Tail Control
Rod Guide 3x10mm Socket Head Bolt
Body Mounting Standoff: Short
Bearing side must face upward*
Body Mounting
Standoff: Short
3x8mm Socket Head Bolt
(21 pc)
3mm Flat Washer
(11 pc)
*Bearing side must
face downward
Servo Mounting Plates
Upper Main Frame
2.6x8mm Self Tapping
Screw (4pc)
Upper Main Shaft Bearing Block
Position so the side
of the bearing block
that has the bearing
flush with the flange
is upward.
UP
Lower Main Shaft Bearing Block
UP
Bearing Flush
with Flange
Bearing
Bearing
Bearing Flush
with Flange Position so side of
the bearing block
that has the bearing
flush with the flange
is downward.
Use Threadlock On
All Screws

2-2 UPPER MAIN FRAME CONTROL LEVER INSTALLATION
12
Note: Be sure to install the Elevator
Arm Units in their proper
location as there is a “Front”
and a “Rear” Unit (Step 1-5).
Attach the pre-finished Control Rods to the
Mixing Levers/Control Arms as shown:
Nylon Washer
Elevator Arm Bushing
3x8mm Socket Head Bolt
3x6mm Socket Head Bolt
Elevator Arm Bushing
Nylon Washer
Nylon Washer
3x8mm Socket
Head Bolt
Nylon Washer
3x22mm Socket
Head Bolt
3x8mm Socket Head Bolt
........2 pc
........4 pc
........1 pc
Nylon Washers ........5 pc
......1 pc
3x22mm Socket Head Bolt
........1 pc
Elevator Arm Bushing ........2 pc
Mixing Base Nut ........2 pc
........1 pc
Rod Length Pre-Adjusted Length
110mm 92mm
45mm 24mm
75mm 59mm
A
B
AB
C
C
Roll Bellcrank
Spacer
3x6mm Socket
Head Bolt Washout Arm
Bushing
Top View
3mm Flat Washer
Mixing Base Nut
Pre-Adjusted Length
Washout Arm Bushing
3mm Flat Washer
3x6mm Socket Head Bolt
Roll Bellcrank Spacer ........1 pc
3mm Lock Nut
Use Threadlock

2-3 LOWER MAIN FRAME ASSEMBLY
3x8mm Socket Head Bolt
........ 4pc
3mm Lock Nut ........4 pc
2.6x8mm Self Tapping Screw
........4 pc
2-4 FUEL TANK INSTALLATION
Note: Install the Fuel Tank and Tank Mounting Rubber into the lower frame halves before
attaching the Main Frame Standoffs.
When securing Standoffs to frame, position the bottoms of the level surface to
prevent twisting during tightening.
13
2.6x8mm Self Tapping Screw (4 pc)
2.6x8mm Self Tapping Screw
Servo Mounting Plate
3x8mm Socket Head Bolt (4 pc)
Lower Main Frame
3mm Lock Nut
(4 pc) Lower Frame Angle (2 pc)
Main Frame Standoff, 60mm
Main Frame
Standoff, 60mm
Main Frame Standoff,
60mm
3x10mm Socket
Head Bolt (4 pc)
Tank Mounting
3x8mm Socket Head Bolt
Fuel Tank
3x8mm Socket
Head Bolt
Tank Mounting
Lower Main Frame
3x8mm Socket Head Bolt
........2 pc
3x10mm Socket Head Bolt
........4 pc
Main Frame Standoff, 60mm ........ 3 pc
Use Threadlock

2-5 FRONT RADIO BED/GYRO MOUNTING PLATE INSTALLATION
2-6 COOLING FAN SHROUD INSTALLATION
14
3x18mm Set Screw
Body Mounting Standoff Long ........2 pc
3x10mm Socket Head Bolt ........6 pc
........2 pc
2.6x8mm Self Tapping Screw
........4 pc
When installing a .46 size engine it
will be necessary to trim the bottom
portion of the Fan Shroud as shown:
Front Radio Bed
Body Mounting
Standoff Long
3x10mm Socket
Head Bolt
2.6x8mm Self
Tapping Screw
Cooling Fan Shroud
2.6x8mm Self Tapping Screw
3x18mm Set Screw (2 pc)
Body Mount Standoff, Long
3x10mm Socket
Head Bolt (6 pc)
Gyro Mounting Plate
Ergo .46 Fan Shroud Adjustment
3/4"1 7/8"
Remove
Use Threadlock

2-7 UPPER/LOWER MAIN FRAME ASSEMBLY ATTACHMENT
15
Main Frame Standoff, 32mm
Main Frame Spacer, 12.5mm ........12 pc
3x22mm Socket Head Bolt ........12 pc
........6 pc
Main Frame Spacer, 12.5mm
(12 pc)
Main Frame Standoff, 32mm (6 pc)
3x22mm Socket
Head Bolt (12 pc)
3x22mm Socket Head Bolt
Use Threadlock On
All Screws

16
3-1 MAIN DRIVE GEAR/AUTOROTATION ASSEMBLY
3-2 MAIN DRIVE GEAR/AUTOROTATION ASSEMBLY INSTALLATION
3x6mm Socket Head Bolt
.......4 pc
3mm Lock Nut ........1 pc
4x4mm Set Screw ........4 pc
......1 pc
3x22mm Socket Head Bolt
1. Secure the Autorotation Hub to the Main Rotor Shaft using
the 3x22mm Socket Head Bolt. Next, slide the Main Shaft
Collar onto the Main Rotor Shaft. While pulling upward on
the Main Rotor Shaft, secure the Main Shaft Collar to the
Main Rotor Shaft using the four 4x4mm Set Screws. 2. Once the Main Shaft Assembly is in place, adjust the gear mesh of the Clutch Bell
and Tail Belt Pinion Gears, and secure the bolts left loose from Step 2-1.
3x6mm Socket Head Bolt (4 pc)
[Tighten equally to prevent
warping of Main Drive Gear]
Main Drive Gear
Autorotaion Assembly
Main Shaft Collar
8mm
3mm
4x4mm Set Screw (4 pc)
Main Rotor Shaft
3mm Lock Nut
3x22mm Socket Head Bolt
Autorotation Hub
Use Threadlock
Use Threadlock

3-3 LANDING GEAR ASSEMBLY INSTALLATION
3-4 .32-.36 CO0LING FAN/HUB INSTALLATION
17
3mm Lock Nut ........4 pc
3x12mm Socket Head Bolt
........4 pc
3mm Flat Washer ........4 pc
4x4mm Set Screw ........4 pc
Note: If you are building the Ergo .46 3D Version,
proceed to Step 3-4.1
O.S. .32SX-H Installation
For proper installation of this engine, it will be
necessary to purchase the O.S. Prop Drive
Washer for this engine (Part #23408000).
*It is recommended that a Piston Locking Tool
be used to properly secure the Fan Assembly to
the engine.
3x5mm Socket Head Bolt
........4 pc
3x12mm Socket Head Bolt (4 pc)
3mm Flat Washer (4 pc)
Landing Strut
Landing Gear Dampers (4 pc)
Landing Skid Cap
Landing Skid 20mm
Antenna Tube
4x4mm Set Screw (4 pc)
3mm Lock
Nut (4 pc)
Cooling Fan Hub .32-.36
Cooling Fan .32-.36
Nut Supplied with Engine
3x5mm Socket
Head Bolt (4 pc)
Use Threadlock
For proper installation of the fan assembly, it is neccessary for
the engine to have the prop drive washer installed.
Prop drive washer must be
used for correct installation
* Revolution 1003 Piston Locking Tool
(Purchased Separately)

3-4.1 .46 COOLING FAN INSTALLATION
3-5 .32-.36 ENGINE MOUNT ATTACHMENT
Note: If you are building the Ergo .46 3D Version proceed to Step 3-5.1.
Longer Distance
Shorter Distance
Note: If you are building the Ergo .32-.36 Version, proceed to Step 3-5.
Note: It will not be necessary to use the four 3x5mm
Socket Head Bolts included in this screw bag.
Note: It will be necessary to shorten the Crankshaft of
the engine to allow clearance. Test fit the Fan
Assembly to determine the correct amount to be
removed. On the Thunder Tiger Pro .46 Heli
Engine, it will be necessary to remove 1/2" from
the tip of the Crankshaft.
*It is recommended that a Piston Locking Tool be used to
properly secure the Cooling Fan Assembly to the engine.
18
3x15mm Socket Head Bolt
3mm Flat Washer ........4 pc
3mm Serrated Washer
........4 pc
Top
Bottom
Motor Mount Direction
Engine Mount .32-.36
3mm Serrated
Washer (4 pc)
3x15mm Socket
Head Bolt
3mm Flat
Washer (4 pc)
Nut Supplied with Engine
* Revolution 1003 Piston Locking Too
(Purchased Separately)
It is important to note the proper direction that the motor mount
is installed to achieve the correct alignment of the engine.
Aluminum Cooling Fan
(Ergo .46)
Use Threadlock
Use Threadlock
......4 pc

3-5.1 .46 ENGINE MOUNT ATTACHMENT
3-6 CLUTCH ASSEMBLY ATTACHMENT (ALL)
19
*Note: When installing the Thunder Tiger Pro .46
Heli Engine, it will be necessary to replace
the Standard Throttle Arm with the Long
Offset Arm supplied with the engine.
It is important to note the proper direction that the Motor Mount
is installed to achieve the correct alignment of the engine.
3mm Flat Washer ........4 pc
3x15mm Socket Head Bolt ........4 pc
3mm Serrated Washer ........4 pc
2x8mm Flat Head Screw
........1 pc
3mm Flat Washer........2 pc
Steel Joint Ball ........1 pc
3x5mm Socket Head Bolt
........2 pc
2mm Hex Nut ........1 pc
Engine Mount .46
Fan Assembly: .46
3mm Serrated
Washer (4 pc)
3x15mm Socket
Head Bolts (4 pc)
Shorter Distance
Longer Distance Longer Distance 3mm Flat
Washer (4 pc)
2mm Hex Nut Clutch Assembly
3mm Flat Washer
(2 pc)
3x5mm Socket Head Bolt
(2 pc)
2x8mm Flat
Head Screw
Steel Joint Ball
*see note
Top
Bottom Bottom
Motor Mount Direction:
Thunder Tiger Motor Mount Direction:
O.S.
Thunder Tiger
Pro .46
Top
O.S. .46 FS
R-H
Shorter Distance
Use Threadlock
Use Threadlock

3-7 ENGINE INSTALLATION (ALL)
3-8 INSTALLATION OF THE MUFFLER
20
Pressure Tap ........1 pc
3x30mm Socket Head Bolt .......2 pc
Adjust the height and position of the Engine
as shown so the bottom of the Clutch
Assembly is flush with the bottom of the
Clutch Bell. Also check to insure that the
Engine and Clutch Bell are parallel.
*It is highly recommended that you insert
the Muffler Bolts into the Engine Case prior
to installing the engine in the frame.
Note: The installation shown is for a .32-.36 size
engine with the JR muffler (JRP960078).
Installation of other .32-.36/.46 engine
muffler combinations may vary. Please refer
to your engine/muffler instructions for proper
installation.
3x10mm Socket Head Bolt
........4 pc
3mm Flat Washer ........4 pc
3x10mm Socket Head Bolt (4 pc)
3mm Flat Washer (4 pc)
Pressure Fuel Line Attachment
3x30mm Socket Head Bolts
(*Inserted in Step 3-7)
JR .32-.36 Muffler Shown
(Purchased Separately, JRP960078)
Pressure Tap
Correct Incorrect
Use Threadlock