Sealey STS103 Digital Torque Screwdriver User Manual

Quick guide from the manual

To begin using your Sealey STS103 Digital Torque Screwdriver, you must first install the batteries. Unscrew the two screws at the end cap (location B), insert two AAA batteries ensuring correct polarity, and re-tighten the screws. Press the power button to turn the tool on. The device defaults to 'Peak' mode. To program a specific torque value, hold the '+' button for 3 seconds until 'Set' appears on the screen, then use the buttons to adjust the value.

Product description

The Sealey STS103 is a digital torque screwdriver designed for automotive, workshop, and factory use. It features an LCD readout with LED, audible alarm, and vibration feedback to indicate when target torque levels are achieved. It supports both clockwise and anticlockwise operation and allows for unit selection between Nm and lb.ft.

Preparation

Battery Installation:

• Remove the batteries from their packaging.
• Unscrew the two screws at location 'B' on the handle.
• Carefully remove the end cap.
• Insert two AAA batteries, ensuring the polarity is correct.
• Replace the end cap and re-tighten the screws.

Operation

Turning the tool on/off: Press the power button to turn the tool on. The buzzer will sound, and the display will show all readouts before settling to '0000'. The tool turns off automatically after 2 minutes of inactivity.

Modes:

• Peak Mode (Default): The maximum value reached is saved and shown on the display for approximately 2 seconds.
• Track Mode: Displays the real-time torque reached during operation.
• Switching Modes: Press the power button, then within 3 seconds, press the '+' button to toggle between modes.

Programming Torque:

• Hold the '+' button for 3 seconds to enter setting mode.
• Release when 'Set' appears.
• Use the buttons to increase or decrease the target torque value.
• The screwdriver will memorize the torque after 3 seconds of inactivity.
• Note: If a value exceeding 100% (5Nm) is selected, the display will zero and the setting will not be entered.

Unit Selection: With the unit on, press and hold the power button for 5 seconds to switch between Nm and lb.ft.

Maintenance

• Do not apply force when the power is turned off.
• Do not expose the unit to strong magnetic fields, corrosive agents, excessive heat, or humidity.
• Clean only with a damp cloth; do not use proprietary cleaners or solvents.
• If the tool will be out of use for a period, remove the batteries.
• Store in a cool, dry location away from direct sunlight and children.