1. Introduktion
This manual provides detailed instructions for the installation, operation, and maintenance of your GoolRC XK K130 RC Helicopter Metal Gear Servo. Designed for the XK K130 3D 6CH RC helicopter, this servo features a metal gear design for enhanced durability and performance. Please read this manual thoroughly before use to ensure proper function and longevity of the product.

Figure 1: GoolRC XK K130 RC Helicopter Metal Gear Servo. This image shows the servo unit with its wiring harness, positioned in front of a blurred image of an RC helicopter, indicating its application.
2. Produktfunktioner
- Kompatibilitet: Specifically designed for the XK K130 RC helicopter.
- Kompakt størrelse: Measures 27 x 27 x 8mm, ensuring a lightweight and mini-sized component.
- Metal Gear Design: Provides high torque and power, contributing to increased durability and reliable operation.
- Høj ydeevne: Offers precise control and responsiveness for RC helicopter applications.

Figur 2: Nærbillede view of the servo, emphasizing the metal gear design. This design enhances the servo's torque and power capabilities.
3. Tekniske specifikationer
| Specifikation | Værdi |
|---|---|
| Varens navn | XK Servo |
| Materiale | ABS, metal |
| Gear materiale | Metal |
| Operation VoltagRækkevidde | 4.8 ~ 6.0V |
| Servo Speed (4.8V) | 0.082 sec/60 degrees |
| Servo Speed (6V) | 0.08 sec/60 degrees |
| Servo Torque (4.8V) | 1.2 kg/cm |
| Servo Torque (6V) | 1.5 kg/cm |
| Temperaturområde | -10 til +50 °C |
| Dead Band Width | 3 brug |
| Emnedimensioner | 27 x 27 x 8 mm |
| Varens vægt | 5g |

Figure 3: Dimensional drawing of the servo, illustrating its compact size of 27mm x 27mm x 8mm.
4. Pakkens indhold
Pakken indeholder følgende varer:
- 1 x GoolRC XK K130 RC Helicopter Metal Gear Servo
- 1 x Part Set (includes servo arms and mounting screws)

Figure 4: The servo unit displayed alongside its accessory kit, which typically includes various servo arms and mounting screws for installation.
5. Installationsvejledning
Follow these general steps for installing the servo into your XK K130 RC helicopter. Refer to your helicopter's specific manual for detailed assembly instructions.
- Forberedelse: Ensure the helicopter's power is off and the battery is disconnected before beginning installation.
- Montering: Secure the servo in the designated location within the helicopter frame using the provided screws. Ensure it is firmly mounted to prevent vibration and movement during operation.
- Attach Servo Arm: Select the appropriate servo arm from the part set and attach it to the servo output shaft. Ensure the arm is centered before tightening the screw.
- Linkage Connection: Connect the servo arm to the helicopter's control surfaces (e.g., swashplate) using the appropriate linkages. Adjust linkages as necessary to achieve correct control surface movement.
Video 1: This video demonstrates the unboxing and initial handling of a servo, including the accessory parts. It shows how to remove the protective wire tie and inspect the servo before installation.
6. Ledningsdiagram
The servo features a standard 3-wire connection. Proper connection to your RC receiver or flight controller is crucial for correct operation.
- Brun tråd: Negativ (jord)
- Rød ledning: Positive (Power, 4.8V - 6.0V)
- Orange ledning: Signal
Ensure these wires are connected to the corresponding pins on your receiver or flight controller. Incorrect wiring can damage the servo or other electronic components.
7. Betjening
Once installed and wired correctly, the servo will respond to commands from your RC transmitter via the receiver/flight controller. Ensure your transmitter is properly calibrated and configured for the XK K130 helicopter.
- Indledende opstart: After connecting the battery, the servo may perform a brief initialization movement.
- Kontroltjek: Before flight, carefully check that all control surfaces move in the correct direction and with the appropriate range in response to transmitter inputs.
- Centrering: Ensure the servo centers accurately when the stick is at neutral. Adjust sub-trim on your transmitter if minor centering adjustments are needed.
8. Vedligeholdelse
Regular maintenance helps ensure the longevity and reliable performance of your servo.
- Inspektion: Periodically inspect the servo for any signs of physical damage, loose screws, or worn gears.
- Rensning: Keep the servo free from dirt, dust, and debris. Use a soft, dry brush or compressed air for cleaning. Avoid using liquids.
- Gearkontrol: If the servo experiences rough movement or excessive play, inspect the metal gears for wear. Replacement gears may be available if needed.
- Ledningsføring: Check the wiring for any fraying or loose connections.

Figur 5: En intern view of the servo, revealing the intricate arrangement of its metal gears. Regular inspection of these gears is important for maintaining optimal performance.
9. Fejlfinding
If you encounter issues with your servo, consider the following common troubleshooting steps:
- Servo Not Responding:
- Check all wiring connections to ensure they are secure and correctly oriented (Brown: Negative, Red: Positive, Orange: Signal).
- Verify that the power supply to the receiver/flight controller is adequate and within the servo's operational voltage-området (4.8V - 6.0V).
- Test with a different servo channel or a known working servo to isolate the problem.
- Erratic Movement or Jittering:
- Ensure the servo is securely mounted and not experiencing excessive vibration.
- Check for any binding in the mechanical linkages connected to the servo arm.
- Kontroller, at strømforsyningen er stabil og fri for interferens.
- Inspect the servo gears for any damage or debris.
- Servo Overheating:
- Excessive load or continuous stalling can cause overheating. Ensure the servo is not under constant strain.
- Kontroller, at driftsvoltage er inden for det angivne område.
10. Sikkerhedsoplysninger
Always observe the following safety precautions when working with RC components:
- Hold små dele væk fra børn for at undgå kvælningsfare.
- Sørg for, at al strøm er afbrudt, før du udfører nogen form for installation eller vedligeholdelse.
- Do not expose the servo to water or extreme temperatures outside its specified operating range.
- Use only compatible power sources and components.
- If you are unsure about any installation or repair steps, seek assistance from an experienced RC hobbyist or professional.