Century Hawk Pro Instruction Manual download pdf (Page 25)

STEP 35 Tail Gearbox

M3x10 Socket

Cap Screw

M3x12 Socket Cap

Screw x 2

Tail Output

Gear Assembly

Tail Boom

Assembly

M3 Locknut x 3

Vertical Tail Fin

[HI3067]

Locknut

x 2

M3x30 Socket Cap

Screw x 2

STEP 35

Attach the tail output

gear assembly on to the

drive shaft with two

4x4mm Set Screws (

make sure the flat spot

is aligned with one of

the set screws ) using

threadlock. Position the

output gear assembly into

the right gear box half

(insure the 2 bevel gears

are meshed properly

and the ball bearings

are fully seated in their

recesses ) and liberally

grease the gears before

closing the gearbox.

Position the gear box

halves over the holes in

the end of the tail boom

and secure with one

3x10mm Socket Cap

Screw and M3 locknut at

the end of the gearbox

and two 3x12mm Socket

Cap Screws with M3

locknuts at the center of

the gearbox. Install the

Vertical Fin with two

3x30mm Socket Cap

Screws and M3 locknuts

through the mounts in the

front end of the tail rotor

gearbox.

M4x4SS Set Screw x 2

(med hex key)

Tail Drive

Shaft Set

[HW3063]

Flat Spot

Grease to be used inside the tail gearbox should be a teflon or

light lithium type of grease commonly found in a hobbyshop.

Do not use grease or any type of lubricant on the remaining

gears on the helicopter because they are exposed and can

actually attract dirt and debrie that can lead to a failure.

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Century Hawk Pro Instruction Manual Page 25

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