Servo Recoil and elevation upgrade Kit for HengLong Challenger 2

 Part No. 16019

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 Part Number

 Part Name

Qty

Remark

A1

Gun barrel Slider

1

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A2

Recoil Gear Rock

1

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A3

Recoil Servo Gear

1

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A4

Servo Elevation Rock

1

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A4

Servo Elevation Gear

1

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A5

Elevation servo stand

1

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A6

Elevation servo fixture

2

A7

Tunnion L and R

2

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A8 Metal barrel O ring 1 @

S1

2Kg, Metal gear servo bag with screws for

gun recoil

1

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S2

13Kg, Metal gear servo bag with screws for

elevation

1

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MA1

2mm *6 PB Tapping screw

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8

MA3

 2*6mm KB Tapping screw

6

MA4

2*8*5mm PWB Tapping screw

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2

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MA6

3mm *8 PB Tapping screw

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6

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MA9

2*6*5mm PWB Tapping screw

2 @

 

 Before Assembly

 Please to read "How to work with 3D printed parts" and to clean and trim parts.

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Gun Recoil

Smooth inner surface of A7 for barrel movement.

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Smooth surface of gun barrel extension too

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Push metal gun barrel to extension with force, no glue is need.

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Bolt gear rock to barrel extension with MA1

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Insert barrel assemble to cradle

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Bolt servo with MA1 screw

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Connect servo to TK22 to set servo to normal position then bolt servo gear with the black screw in servo accessory bag

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Note the angle of servo gear

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Bolt elevation gear with MA3 screw

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Insert mantlet

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Bolt mantlet with MA9 screw

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Completed recoil assembly

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Remove some internal structure in upper turret

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Insert recoil assembly

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Insert MA6 screw to Tunnion L and R

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Fit tunnion on both side,  note the direction of tunnion

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Bolt tunnion

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Now the gun can elevate and depress correctly

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(Optional)Fit TBU base to elevation servo stand with MA3*4

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Fit to upper turret

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Bolt it with MA6*4

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Fit elevation servo fixture with MA1

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Bolt servo gear with the black screw in servo accessory bag

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Insert MA4 screw to the slot on servo fixture

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Fit elevation gear assembly to the stand

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Connect servo to TK22 to set servo to normal position then tight the screw to fix

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Put lower cover back and bolt it

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Open the hatch, can see the TBU base, done!

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