GOYOJO GMS8 Digital Torque Screwdriver Instruction Manual

1. Уводзіны

The GOYOJO GMS8 Digital Torque Screwdriver is a manual force-applied precision tool designed for accurate measurement and control of tightening torque during screw fastening. It is not an electric screwdriver and requires manual force application. The digital screen displays real-time torque values, ensuring precise application and preventing over-tightening or under-tightening. This tool is ideal for precision assembly, electronics repair, bicycle adjustment, optics mounting, and other tasks requiring controlled torque.

Image: GOYOJO GMS8 Digital Torque Screwdriver displaying a torque value of 6.4 Nm during use on a bicycle component.

2. Уключаныя кампаненты

The GOYOJO GMS8 Digital Torque Screwdriver set includes the following items:

• 1 x Digital Torque Screwdriver (7.08-70.8 in-lbs / 0.8-8 N·m)
• 10 біт для адвёрткі
• 1 х Кіраўніцтва прадукту
• 1 х чахол для захоўвання
• 2 х ААА батарэі

Image: The complete GOYOJO GMS8 Digital Torque Screwdriver kit, including the screwdriver, various bits, and storage case.

3. Асаблівасці прадукту

• High-Accuracy Digital Torque: Torque range of 7.08–70.8 in-lbs (0.8–8 N·m) with ±2% accuracy.
• Некалькі адзінак: Supports 4 torque units: in-lb, ft-lb, N·m, and kg-cm.
• Real-Time Digital Display: Manual force application with real-time torque value display.
• Рэжымы працы: Track, Peak Hold, and Preset modes for versatile use.
• Экран з падсветкай: Забяспечвае выразную чытальнасць у розных умовах асвятлення.
• Buzzer and Visual Alerts: Provides audible and visual alerts when nearing or reaching the preset torque value to prevent over-tightening.
• Захоўванне дадзеных: Stores up to 999 groups of torque data for tracking and comparison.
• Магнітны трымальнік для біт: 1/4" magnetic bit holder for quick bit changes.
• Эрганамічны дызайн: Comfortable handle for improved control during use.

4. Кіраўніцтва па наладцы

4.1 Устаноўка батарэі

The GOYOJO GMS8 Digital Torque Screwdriver requires 2 AAA batteries (included). To install:

1. Twist off the cap at the bottom of the screwdriver handle.
2. Insert the 2 AAA batteries according to the polarity markings.
3. Replace and tighten the cap securely.

Усталёўка 4.2-бітнай версіі

To install a screwdriver bit:

1. Pull up the collar on the 1/4" magnetic bit holder at the tip of the screwdriver.
2. Insert the desired bit into the holder.
3. Release the collar to secure the bit. Ensure the bit is firmly seated.

Image: The screwdriver displaying its control buttons and the 1/4" bit holder.

5. Інструкцыя па эксплуатацыі

5.1 Уключэнне/выключэнне сілкавання

To power on the device, press the 'C' button. The screen will beep and display the interface. To power off, press and hold the 'C' button.

5.2 Выбар рэжыму

The screwdriver offers three working modes: Track, Peak Hold, and Preset. Use the 'M' button to cycle through these modes:

• Рэжым дарожкі: Displays real-time torque value as force is applied. Resets to zero when released.
• Рэжым утрымання пікаў: Captures and holds the highest torque value achieved during tightening.
• Рэжым зададзеных: Allows setting a target torque value. The device will alert you when this value is approached or reached.

Image: The screwdriver's display illustrating the Peak and Track modes with their respective functions.

5.3 Torque Unit Selection

Press the 'U' button to switch between the four available torque units: N·m, lbf·ft, lbf·in, and kgf·cm.

Image: The screwdriver's display cycling through the four available torque units: in-lb, ft-lb, kgf-cm, and N·m.

5.4 Устаноўка мэтавага крутоўнага моманту (рэжым загадзя зададзенага значэння)

In Preset Mode, use the Up (▲) and Down (▼) arrow buttons to adjust the desired target torque value. The display will show the set value.

5.5 Using the Screwdriver

Apply manual force to tighten the screw. The screen will display the real-time torque. In Preset Mode, the device will provide alerts as you approach and reach the target torque.

Image: A collage demonstrating the GOYOJO GMS8 Digital Torque Screwdriver being used in automotive, bicycle, electronics, and woodworking applications.

5.6 Torque Alerts

When approaching the preset torque value, the screwdriver provides both a buzzer and visual alerts (LED lights on the sides of the display) to indicate the tightening status. This helps prevent over-tightening or under-tightening.

Image: The screwdriver in use, with red LED lights indicating that the target torque is being approached or has been reached.

6. Тэхнічнае абслугоўванне

• Keep the screwdriver clean and dry. Wipe with a soft, damp тканіна.
• Store the device and its accessories in the provided case when not in use to protect it from dust and damage.
• Выміце батарэйкі, калі прылада не будзе выкарыстоўвацца працяглы час, каб прадухіліць іх уцечку.
• Пазбягайце ўздзеяння на прыладу экстрэмальных тэмператур або прамых сонечных прамянёў.

7. Выпраўленне непаладак

• Прылада не ўключаецца: Check battery orientation and ensure batteries are not depleted. Replace if necessary.
• Няправільныя паказанні: Ensure the bit is correctly seated. The device supports calibration-related applications; refer to the calibration certificate for details.
• No alerts in Preset Mode: Verify that a target torque value has been set and the device is in Preset Mode.

8. Тэхнічныя характарыстыкі

9. Гарантыя і падтрымка

GOYOJO stands behind the quality of its products. The GMS8 Digital Torque Screwdriver comes with a Гарантыя на замену 3 год для дадатковага спакою.

For technical support, warranty claims, or any inquiries regarding your product, please refer to the contact information provided in your product packaging or visit the official GOYOJO webсайт.