GOYOJO GMS8 Digital Torque Screwdriver Instruction Manual

1. Sarrera

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. Dakarten osagaiak

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 x bihurkin Bits
• 1 x produktuaren eskuliburua
• 1 x Biltegiratze zorroa
• 2 x AAA bateria

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

3. Produktuaren ezaugarriak

• High-Accuracy Digital Torque: Torque range of 7.08–70.8 in-lbs (0.8–8 N·m) with ±2% accuracy.
• Unitate anitzak: 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.
• Lan egiteko moduak: Track, Peak Hold, and Preset modes for versatile use.
• Atzeko argiztatutako pantaila: Irakurgarritasun argia bermatzen du argiztapen-baldintza desberdinetan.
• Buzzer and Visual Alerts: Provides audible and visual alerts when nearing or reaching the preset torque value to prevent over-tightening.
• Datu biltegiratzea: Stores up to 999 groups of torque data for tracking and comparison.
• Bitentzako euskarri magnetikoa: 1/4" magnetic bit holder for quick bit changes.
• Diseinu ergonomikoa: Comfortable handle for improved control during use.

4. Konfigurazio gida

4.1 Bateriaren instalazioa

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.

4.2 biteko instalazioa

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. Funtzionamendu-argibideak

5.1 Piztu/Itzali

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 Modu hautaketa

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

• Pista modua: Displays real-time torque value as force is applied. Resets to zero when released.
• Peak eusteko modua: Captures and holds the highest torque value achieved during tightening.
• Aurrez ezarritako modua: 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 Setting Target Torque (Preset Mode)

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. Mantentzea

• Keep the screwdriver clean and dry. Wipe with a soft, damp oihal.
• Store the device and its accessories in the provided case when not in use to protect it from dust and damage.
• Kendu bateriak gailua denbora luzez erabiliko ez bada, isuriak saihesteko.
• Saihestu gailua muturreko tenperaturetara edo eguzki-argitara zuzenean jarri.

7. Arazoak

• Gailua ez da pizten: Check battery orientation and ensure batteries are not depleted. Replace if necessary.
• Irakurketa zehaztugabeak: 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. Zehaztapen Teknikoak

9. Bermea eta Laguntza

GOYOJO stands behind the quality of its products. The GMS8 Digital Torque Screwdriver comes with a 3 urteko ordezko bermea lasaitasun gehigarrirako.

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 webgunea.