Silverflo 937D-I

Contents

Silverflo 937D-I Cordless Soldering Station User Manual

Models: 937D-I1, 937D-I2, 937D-I3

1. Introduction

Thank you for choosing the Silverflo 937D-I Cordless Soldering Station. This portable soldering iron is designed for versatility and precision, offering cordless operation compatible with 18/20V batteries from major brands like DEWALT, Milwaukee, and MAKITA. It features a digital display, adjustable temperature control, and intelligent sleep/standby modes to enhance safety and prolong component life. Please read this manual thoroughly before use to ensure safe and optimal operation.

Silverflo 937D-I Cordless Soldering Station with soldering iron
Figure 1: Silverflo 937D-I Cordless Soldering Station

2. Safety Information

  • WARNING: This product does NOT include a battery. Ensure you have a compatible 18/20V battery from DEWALT, Milwaukee, or MAKITA before use.
  • Do not use the DC power port and a battery simultaneously. This can be dangerous and damage the unit.
  • Always work in a well-ventilated area to avoid inhaling solder fumes.
  • Wear appropriate personal protective equipment, including safety glasses, to protect against splashes of molten solder.
  • The soldering iron tip can reach very high temperatures. Avoid direct contact with skin or flammable materials.
  • Always place the soldering iron in its holster when not in use.
  • Keep out of reach of children.
  • Disconnect power (remove battery or unplug DC adapter) before performing any maintenance or changing tips.

3. Package Contents

The contents of your package may vary depending on the specific set purchased. Please verify against the list below:

Common Components:

  • Silverflo 937D-I Host (Model 937D-I1, 937D-I2, or 937D-I3 depending on battery compatibility)
  • Soldering Iron Handle
  • User Manual (this document)

Optional Components (included with 'Set 2' packages):

  • Soldering Iron Tip x5
Silverflo 937D-I1 host and soldering iron handle
Figure 2: Example package contents for 937D-I1 (host and soldering iron handle).

4. Specifications

Feature Specification
Model Numbers 937D-I1 (for DEWALT), 937D-I2 (for MAKITA), 937D-I3 (for Milwaukee)
Rated Voltage 20V DC (Compatible with 18-20V batteries)
Rated Power 40W
Temperature Range 200°C - 480°C / 392°F - 896°F
Display LED Nixie
Control Unit Dimensions L155mm * W85mm * H97mm (+5mm)
Operating Ambient Temp. 0-40°C / 32°F-104°F
Weight (approx.) 303g (without battery)
Comparison table of Silverflo 937D I1, I2, I3 models and their specifications
Figure 3: Detailed specifications for different models.
Dimensions and weight of the Silverflo 937D-I soldering station
Figure 4: Physical dimensions and approximate weight of the soldering station.

5. Setup

5.1 Powering the Station

The Silverflo 937D-I offers two powering options:

  • By Battery: Insert a compatible 18/20V DEWALT, Milwaukee, or MAKITA battery into the base of the soldering station. Ensure it clicks securely into place.
  • By DC Port: Connect a 20V DC, 2.5A power adapter (not included) to the DC port on the side of the unit.

IMPORTANT SAFETY NOTE: Do NOT use both the battery and the DC power port simultaneously. This can cause damage to the unit and poses a safety risk.

Two ways of powering the Silverflo 937D-I soldering station: by DC port or by battery
Figure 5: Powering options for the soldering station.
Underside view of Silverflo 937D I1, I2, I3 models showing battery interfaces
Figure 6: Different battery interfaces for models I1, I2, and I3.

5.2 Attaching the Soldering Iron

Connect the soldering iron handle cable to the designated port on the soldering station. Ensure a firm connection.

6. Operating Instructions

6.1 Power On/Off

Locate the master power switch on the front of the unit. Flip the switch to the 'ON' position to power on the station. The LED Nixie display will illuminate. Flip to 'OFF' to power down.

6.2 Temperature Adjustment

Use the adjustment knob on the control panel to set your desired temperature. The temperature range is 200°C-480°C (392°F-896°F). Turn the knob clockwise to increase temperature and counter-clockwise to decrease it. The LED display will show the current temperature.

Image highlighting the 40W fast heating power and temperature range
Figure 7: Fast heating and temperature range.

6.3 Fahrenheit/Celsius Conversion

The unit supports one-button conversion between Fahrenheit (°F) and Celsius (°C). Refer to the control panel for the specific button or combination to switch between these modes.

Close-up of the control unit showing C/F temperature mode, Sleep mode (F08), and Standby mode (L08) settings
Figure 8: Control panel with C/F conversion, Sleep, and Standby mode indicators.

6.4 Sleep Mode (F08)

When the soldering iron is not used for a set period (adjustable from 1-8 minutes), it will enter Sleep Mode. This protects user security, increases battery life, and extends the heating element's lifespan. To wake the station from sleep mode, gently shake the soldering iron.

Video 1: Demonstration of various features including temperature adjustment, sleep mode, and standby mode.

6.5 Stand-by Mode (L08)

Similar to Sleep Mode, Stand-by Mode activates after a period of inactivity (adjustable from 1-8 minutes). To wake the station from stand-by mode, turn the temperature adjustment knob.

6.6 Soldering Technique

For optimal soldering, ensure the tip is clean and tinned. Apply the hot tip to the joint, then feed solder into the joint, allowing it to flow evenly. Remove the solder, then the iron, ensuring a shiny, smooth joint.

Image demonstrating digital temperature calibration using an external device
Figure 9: Digital Temperature Calibration ensures accurate temperature control for efficient soldering.

7. Maintenance

7.1 Tip Cleaning

Regularly clean the soldering iron tip using a tip cleaner (e.g., brass wool or a damp sponge) to remove oxidation and old solder. This increases the life of the iron tip and ensures better heat transfer. The station includes a heat-resistant holster ring and portable solder wire storage slots for convenience.

Close-up of the soldering station's holster, showing the heat-resistant holster ring, portable solder wire storage slots, metallic holster, and metallic protector
Figure 10: Holster features for tip cleaning and solder wire storage.

7.2 General Care

  • Keep the soldering station clean and free from dust and debris.
  • Store the unit in a dry place when not in use.
  • Avoid dropping the unit or subjecting it to strong impacts.

8. Troubleshooting

  • Unit does not power on: Ensure the battery is fully charged and correctly inserted, or that the DC adapter is properly connected and providing power. Check the master power switch.
  • Soldering iron not heating: Verify the temperature setting is above the ambient temperature. Ensure the soldering iron handle is securely connected to the station.
  • Temperature display erratic: Check for loose connections. If the issue persists, contact customer support.
  • Poor solder joints: Ensure the soldering tip is clean and tinned. Use appropriate solder for your application. Adjust the temperature as needed.

9. User Tips

  • Battery Compatibility: While designed for DEWALT, Milwaukee, and MAKITA 18/20V batteries, always double-check your specific battery model for compatibility before purchasing or using.
  • Optimal Temperature: Experiment with different temperature settings for various soldering tasks. Lower temperatures are often sufficient for delicate electronics, while higher temperatures are needed for larger components or wires.
  • Tip Selection: If your package includes multiple tips, choose the appropriate tip shape and size for the task at hand to improve efficiency and solder joint quality.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or visit the official Silverflo website. Keep your purchase receipt as proof of purchase.

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