1. Sarrera
This manual provides essential information for the installation, operation, and maintenance of your INJORA INJS15 15KG Waterproof Coreless Micro Servo. Designed for 1/18 and 1/24 scale RC crawlers, this servo offers high torque and waterproof performance. Please read this manual thoroughly before use to ensure proper function and longevity of your product.

Image 1.1: The INJORA INJS15 15KG Waterproof Coreless Micro Servo.
2. Produktuaren ezaugarriak
- CNC-machined aluminum case: Provides enhanced strength and durability for demanding RC applications.
- Coreless motor: Delivers fast response times and stable, consistent output.
- Stainless steel gears: Ensures reliable and long-lasting performance under stress.
- High torque output: Capable of supporting heavier micro crawler builds and demanding steering tasks.
- Diseinu iragazgaitza: Allows for operation in wet conditions without compromising performance.
- Bateragarritasuna: Suitable for upgrading 1/18 and 1/24 scale RC crawlers.
3. Zehaztapenak

Image 3.1: Detailed dimensions and key specifications of the INJS15 servo.
| Parametroa | Balioa | Parametroa | Balioa |
|---|---|---|---|
| Bolumen eragileatage | 6V-7.4V | Torque (6V) | 15.2kg.cm / 211.28oz.in |
| Speed (6V) | 0.091sec/60° (110RPM) | Torque (7.4V) | 17.7kg.cm / 246.03oz.in |
| Speed (7.4V) | 0.073sec/60° (136RPM) | RC Angle | 90°±5° (500-2500μs) |
| Angle (500-2500μs) | 180 º ± 5 º | Motorra | Coreless |
| Engranajeak | Altzairu herdoilgaitza | Spline | Φ4.9 Mini 25T |
| Errodamendua | 2BB | Berunaren luzera | 250 mm |
| Tamaina | 23×12×27.5 mm | Pisua | 22 g |
| Iragazgaitza | Bai | Materiala | Aleaziozko altzairua, aluminioa |
4. Paketearen edukia
The INJORA INJS15 servo package typically includes the following items:
- 1 × INJS15 Coreless Servo
- Various servo horns (plastic)
- Muntatzeko torlojuak

Image 4.1: Contents of the INJS15 servo package.
5. Konfigurazioa eta instalazioa
- Mounting the Servo:
Secure the INJS15 servo into the designated servo mount on your RC crawler chassis using the provided mounting screws. Ensure the servo is firmly attached to prevent movement during operation.
- Attaching the Servo Horn:
Select the appropriate servo horn for your application. With your RC vehicle's electronics powered on and the steering trim centered, carefully attach the servo horn to the servo spline. Ensure the horn is aligned as straight as possible relative to your steering linkage. Secure the horn with the small screw provided.

5.1 irudia: Gertuko planoa view of the servo spline for horn attachment.
- Hartzailera konektatzea:
Connect the servo's 3-pin connector to the appropriate channel on your RC receiver (typically Channel 1 for steering). Ensure the polarity is correct (signal, positive, negative).
- Hasierako Kalibrazioa:
With your transmitter and receiver powered on, check the servo's movement. Adjust the steering trim and endpoints on your transmitter to ensure the servo operates within its full range without binding or over-extending the steering linkage.
6. Funtzionamendu-argibideak
The INJORA INJS15 servo is designed for precise control in RC crawler applications. Follow these general operating guidelines:
- Elikatze-iturria: Ensure your receiver and servo are powered by a compatible power source within the specified operating voltage range (6V-7.4V). Using an incompatible voltage can damage the servo.
- Zuzendaritzaren kontrola: Operate your RC vehicle's steering via the transmitter. The coreless motor provides quick and accurate response to your commands.
- Waterproof Operation: While the servo is waterproof, avoid prolonged submersion in deep water. After operating in wet conditions, allow the servo to dry thoroughly and inspect for any debris.
- Saihestu gainkargatzea: Do not force the servo past its mechanical limits or attempt to move the wheels manually against the servo's resistance when powered on, as this can cause damage to the gears or motor.
7. Mantentzea
Regular maintenance helps ensure the longevity and optimal performance of your INJS15 servo:
- Garbiketa: Periodically clean the exterior of the servo to remove dirt, dust, and debris. Use a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the servo case through the output shaft.
- Ikuskapena: Regularly inspect the servo for any signs of physical damage, loose screws, or worn wires. Check the servo horn and linkage for proper attachment and freedom of movement.
- Gear Check: If you notice any unusual noise or play in the servo, it may indicate wear in the gears. While the stainless steel gears are durable, extreme conditions can cause wear. Disassembly for gear inspection should only be performed by experienced users.
- Biltegiratzea: When not in use, store the servo in a clean, dry environment away from extreme temperatures.
8. Arazoak
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Zerbitzariak ez du erantzuten | No power, incorrect connection, faulty receiver/transmitter. | Check power supply to receiver. Verify servo connection to receiver (correct channel and polarity). Test with a different servo or receiver if possible. |
| Servo jitters or moves erratically | Interference, low battery voltage, damaged servo wire, binding linkage. | Ensure no strong electrical interference. Check battery voltage. Inspect servo wire for damage. Ensure steering linkage moves freely without obstruction. |
| Servo lacks strength or speed | Bolumen baxuatage, excessive load, worn gears. | Egiaztatu elikadura hornidura boltage is within specifications. Reduce load on the servo if possible. Inspect gears for wear. |
| Servo makes grinding noise | Damaged or worn gears, foreign object in gears. | Disassemble (if experienced) to inspect gears for damage or foreign objects. Replace gears if necessary. |
9. Bermea eta Laguntza
INJORA products are manufactured to high standards. For warranty information, technical support, or service inquiries, please contact your retailer or visit the official INJORA webgunea. Gorde erosketa-agiria erosketaren frogagiri gisa.
Laguntza gehiago lortzeko, bisita dezakezu INJORA Store on Amazon.