Century Helicopter Products Hummingbird Elite 3D Pro, Assembly And Instruction Manual

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Tail gearbox assembly (12-1, 12-2, 12-3, 12-4)
Open parts bag CNE318 Tail Output Shaft Assembly , CNE321 Tail Pitch
Lever , Tail Pitch Slider and CNE325 Tail Gearbox .
Place small parts in a container.
47) The Tail Output Shaft has three indentations. One end has two
indentations opposite to one another. Locate the Tail Rotor Hub and
align it one of the two indentations. Use the supplied M2x2 Set Screw
and locktite to secure the
Tail Rotor Hub
in place. Insert the
Tail Pitch
Slider onto the Tail Output Shaft with the plastic Tail Pitch Slider Arms
pointing toward the Tail Rotor Hub .
48) The Tail Gearbox consists of two halves: left and right. Use an hobby
knife to create parallel shallow grooves (for glue) on the inside
Clamping Portion as pictured (12-1) for both sides of the Tail Gearbox .
The right half of the Tail Gearbox has a plastic Tail Pitch Lever Mount .
Slide the Tail Output Shaft through the Bearing installed in the right
half of the Tail Gearbox from the outside.
49) With the Tail Gearbox attached slide the Tail Output Spacer onto the
Tail Output Shaft .
50) Align the Tail Output Gear onto the Tail Output Shaft with the teeth
facing the right side of the
Tail Gearbox
. Use the supplied
M2x2 Set
Screw and locktite to secure the Tail Output Gear in place.
When removing this assembly in the future use heat from a soldering iron
place it on top of the M2x2 Set Screw to heat away the locktite.
51) Use an hobby knife to create shallow parallel grooves in the Clamping
Portion of the Tail Boom . Attach the Tail Gearbox to the Tail Boom .
Use a thin layer of medium strength CA glue on the Outer Rim of both
sides of the Tail Gearbox . Also use CA glue on Clamping Portions
of both the
Tail Boom
and
Tail Gearbox
. Place the
Tail Drive Shaft
Bearing into the Bearing Housing in the right side of the Tail Gearbox
and join the two halves together (Use an gear oil for the two gears
inside the Tail Gearbox before joining glued halves).
Section 12: Tail Gearbox Assembly
Bags Used:
CNE318, CNE325, CNE321, CNE317, CNE324, CNE322
Bearing
Housing
12-4
Tail Gearbox
(left side)
#CNE325
Tail Gearbox (right
side) #CNE325
Tail Boom
#CNE316
Tail Drive
Shaft Bearing
#CNE213
Tail Drive
Shaft Gear
#CNE305
Tail Output
Gear
#CNE318
12-2
Tail Gearbox (right
side) #CNE325
Tail Output
Gear
#CNE318
Output Shaft
#CNE318
Tail Pitch
Slider Arms
Tail Rotor
Hub
#CNE318
M2x2 Set
Screw
#CNE318
Tail Pitch
Slider Pin
Tail Pitch
Slider
#CNE321
Tail Pitch
Lever
Mount
Tail Output
Spacer
#CNE318
M2x2 Set
Screw
#CNE318
LOCK
TITE
LOCK TITE
Tail Gearbox
#CNE325
Clamping Portion
12-1
LUBE
HERE
Clamping Portion
Tail Boom
#CNE316
12-3
Outer Rim
LUBE
HERE
9
Tail Drive
Shaft Bearing
#CNE213
Tail Drive
Shaft Gear
#CNE305
Tail Output
Gear
#CNE318