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5.3
Mounting the rotor head,
installing the rotor head pushrods
- Fit the rotor head on the rotor shaft and secure it with the
screw S0114 and the self-locking nut S0090.
- Fit the ball-links S5043 on the pushrods S5045 / S5046
and set them to the lengths shown in the drawing.
- Attach the pushrods to the rotor head and the swashplate
inner ring.
- Rotate the clamp S5042 until the pushrods S5045 are
exactly vertical.
- With the servo output arms horizontal, adjust the level of
the swashplate driver so that the top edge of the clamp
S5042 is flush with the top face of the driver yoke S5105.
- In this position tighten the grubscrew S0041 to fix the
clamp to the main rotor shaft.
Stage 6
6
Installing the electric motor
- Fit insulating sleeves (13 mm long) to the capacitor and
solder it to the terminals of the electric motor S5038.
- Fit the 18-tooth pinion S5029 on the output shaft of the
electric motor, but do not tighten the screw fully.
- Place the motor on the chassis.
- Adjust the position of the 18-tooth pinion so that it meshes
over the full depth of the teeth with the 60-tooth gear
S5084.
- Tighten the retaining screw in the 18-tooth pinion.
- Adjust the lateral position of the electric motor to obtain
minimal play between the two meshing gears.
- Tighten the motor retaining screws.
Stage 7
7.1
Assembling the tail rotor gearbox
- Place the ballraces S4035 and S4350 in the tail rotor gear-
box housing S5064.
- Slip the tail rotor drive coupling S5114 through the ballra-
ces S4035 and S4350.
- Fit the 20-tooth bevel gear S5053 onto the tail drive cou-
pling, and secure it by tightening the grubscrew S0041 onto
the machined flat.
The tail drive coupling should have zero axial play.
- Place the second 20-tooth bevel gear S5053, the spacer
Assembly instructions
Eolo R 22
sleeve S5062 and the tail rotor shaft S5063 between the
ballraces S4350.
- Position the tail rotor shaft so that it ends flush with the
second ballrace.
- Fix the bevel gear on the tail rotor shaft by tightening the
grubscrew S0041 onto the machined flat. Grease the bevel
gears.
7.2
Assembling the control bridge
and actuating arm
- Assemble the parts of the control bridge: 2 x S5039,
S5059, S5072, S5054 and S5073. Screw the sliding slee-
ve S5059 into the actuator bridge S5073 to the point where
the control ring S5072 rotates freely but without any slop.
- Oil the tail rotor shaft lightly and push the control bridge
onto it.
- Press the spacer ring S5060 into the arm on the tail rotor
gearbox housing.
- Mount the actuating arm S5075 on the arm of the tail rotor
gearbox housing using the screw S0114 and washers
S0000. The lever must swivel freely but without slop.
- Push the ring of the actuator arm over the linkage ball on
the control ring.
7.3
Installing the horizontal stabiliser
and tail rotor hub
- Fix the horizontal stabiliser S5067 to the tail rotor gearbox
housing using the screws S0097 and washers S0000.
- Fit the tail rotor hub S5061 on the tail rotor shaft, set it flush
with the outside end, and tighten the grubscrew S0041
onto the machined flat to secure it.
- Fit the remaining parts on the tail rotor hub.
- Fit the tail rotor blades together using the 2 Ø x 36 mm
dowel pin, S3499, for balancing.
- Support the rotor blades at the centre.
- The lighter blade will now rise; apply adhesive tape to that
blade until the two blades balance level.
- Fix the tail rotor blades S5070 in the tail rotor blade holders
using the screws S0080, and tighten the screws just to the
point where the blades are still free to swivel.
7.4
Installing the tail boom and vertical stabiliser
- Slide the tail rotor gearbox into the tail boom as far as it will
go, and at the same time fit the drive shaft S5018 into the
6
tail rotor drive shaft coupling.
- Secure the drive shaft by tightening the grubscrew S0041
onto the machined flat.
- Attach the vertical stabiliser S5065 to the tail boom using
the screws S0074, the stabiliser bracket S5066 and the
nuts S0010.
Stage 8
8
Installing the tail rotor servo
and tail rotor pushrod
- Fix the tail rotor servo to the tail boom support bracket and
the tail rotor servo holder using the plastic oval washers
S5100.
- Clamp the tail rotor servo mount to the tail boom using the
screw S4300.
- Set the tail rotor servo to centre from the transmitter.
- Cut down the servo output device as shown and screw it to
the servo (see Stage 3.2).
- Screw the clevises S0059 to the tail rotor pushrod S5019
(length between clevises 378 mm).
- Connect the pushrod to the outer hole in the tail rotor
actuating lever and the servo output arm, and engage it in
the pushrod guide. Note the 11 mm length of the servo out-
put arm.
Stage 9
9.1
Installing the cabin holder, receiver and gyro
- Press the cabin holder S5103 into the rear platform.
- Fix the receiver and gyro to the rear platform using double-
sided adhesive tape, No. S5142.
9.2
Installing the speed controller and aerial
- Fix the speed controller to the front platform using double-
sided adhesive tape, No. S5142.
- Be sure to read the instructions supplied with the
speed controller before carrying out any work invol-
ving the unit.
- Solder the motor cables attached to the speed controller to
the terminals of the electric motor. Take care to maintain
correct polarity: red dot on motor to positive wire from
speed controller.
- Prepare the pieces of Velcro tape S5132 which retain the
battery.
Order No.
S 2865
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