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Table of Contents
Summary of Contents for SRA SRA-250
- Page 1 SRA-250 Hydrogen Torch O W N E R ’ S M A NU A L...
- Page 2 Machine Model: Year of Manufacture: Serial Number: Date of Delivery: SRA Shops 24 Walpole Park South, Suite #10, Walpole, MA 02081 1-800-545-4570 1-508-668-6044 www.sra-shops.com sales@sra-shops.com...
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Page 3: Table Of Contents
Table of Contents Overview......................5 .....................5 Features ..................5 Package Contents .................5 Common Applications Getting to know the SRA-250................6 Specifications....................7 Critical Operation Notes..................8 ................8 Precautionary Statements ..................8 Safety Guidelines Using Your Hydrogen Torch................9 ................9 Filling the Booster Tank ...............10 Filling the Electrolyte Tank. - Page 4 Numbered Parts List Block Diagrams....................22 ....................22 Gas Circuit ..................23 Wiring Diagram De-Oxidizer Chart..................24 Technical Support..................25 ................25 SRA Resource Center ............25 SRA Solder Lab - YouTube Channel ..............25 Contact SRA Solder Tech Support SRA-250 Hydrogen Torch Table of Contents - Continued...
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Page 5: Overview
1 Torch with 4-ft hose • Power Cable • Electrolyte Solution - C (Premixed or Pellet form) • SRA Booster Flux (Cannot be shipped by air) • Large Yellow Funnel (For Electrolyte) • Small Clear Funnel (For Booster Flux) •... -
Page 6: Getting To Know The Sra-250
GETTING TO KNOW THE SRA-250 3-Position Switch Burner Tips (5 Sizes) Safety Cap Power Indicator LED Electrolyte Tank Inlet Check Valve Cap Power Control Knob Torch Stand (Sold Separately) MINIMUM LED Torch Hose MAXIMUM LED Torch Hose 1/8” Fitting Booster Tank Booster Block Hose Fitting 1/8”... -
Page 7: Specifications
(6.6 cm) 11.6” (29.5 cm) 8.5” (21.6 cm) 6.7” (17 cm) Model SRA-250 (Single Torch Unit) Input Voltage 110V AC / 60 Hz (220V Available) Max Power 280 Watts Dimensions 11 (w) x 9.6 (d) x 11 (h) Inches Weight... -
Page 8: Critical Operation Notes
• NEVER cut the gas hoses while flame is lit. • NEVER place flame or smoking materials of any kind near the unit, booster tank, booster knob, safety cap, filling neck, or gas hoses. SRA-250 Hydrogen Torch Critical Operation Notes... -
Page 9: Using Your Hydrogen Torch
Please note: the booster tank is wrapped separately from the machine to avoid damage in shipping. When shipped by ground, this unit comes with a pint of SRA Booster Flux, which is a premixed de-oxidizing solution of methyl-alcohol and boric acid. -
Page 10: Filling The Electrolyte Tank
RED light comes on. 5. Screw the Safety Cap back on and hand-tighten. Flip the 3-position switch to the center “OFF” position and set the power control knob to the zero position for safety. SRA-250 Hydrogen Torch Filling the Water Tank... -
Page 11: Attaching The Torch Hose
All tips are friction fitted by pressing onto the torch nozzle. Gauge I.D. (Inches) Color Power Control 0.010 0.013 Orange 0.016 Blue 0.020 Purple 8-10 0.023 Pink 9-10 SRA-250 Hydrogen Torch Connecting the Torch... -
Page 12: Lighting The Torch
15-20 minutes. TIP: The flame burns hottest at the very end. Since hydrogen burns colorless, the color of the flame is dependant on the booster solution used. SRA-250 Hydrogen Torch Lighting the Torch... -
Page 13: Shutdown Procedure
3. Always leave the tip open to allow gas to escape and leave the tanks pressur- ized when you’re done. CAUTION: In the event of a power failure, immediately extinguish the flame and turn the machine off until power is restored. SRA-250 Hydrogen Torch Shut Down Procedure... -
Page 14: Routine Maintenance
Every 3-4 years In this time, the machine should undergo a complete technical and operational review. Such work should be performed by skilled technical personnel at SRA. For more info, see Notices section (Page 16) or contact us at 1-800-545-4570... -
Page 15: Daily Procedures
Empty the booster tank every 12-16 hours of running time. Wash the tank in hot water and dry completely before refilling. Weekly Procedures Remove the booster tank and rinse out with hot water. SRA-250 Hydrogen Torch Routine Maintenance... -
Page 16: Half-Annual Procedures
Be sure to dispose of old solution properly and thoroughly rinse the water tank with only distilled water until the waste water is clear before refilling with new solution. Inspect the Booster Seal for encrustations and wear. SRA-250 Hydrogen Torch Routine Maintenance... -
Page 17: Notices
Never open the unit unless you are qualified to do so. SRA Repair Services: SRA offers full repair services for our hydrogen torches. Call us at 1-800-545-4570 or 1-508-668-6044 for current rates and to schedule service. Disposal of Electrolyte:... - Page 18 SRA-250 Hydrogen Torch Troubleshooting...
- Page 19 SRA-250 Hydrogen Torch Troubleshooting...
- Page 20 SRA-250 Hydrogen Torch Exploded View...
- Page 21 Threaded Disk for Check Valve Rod Ø 6mm Cap and Handle Knob O-Ring Resistor 10K Check Valve Fuse 4A Booster Seal Gasket Power Transformer Terminal Check Valve O-Ring RFI Suppression Filter (Old Version) Level Circuit Board 110/220V Separator SRA-250 Hydrogen Torch Replacement Parts List...
- Page 22 SRA-250 Hydrogen Torch Block Diagrams - Gas Circuit...
- Page 23 SRA-250 Hydrogen Torch Block Diagrams - Wiring...
- Page 24 SRA-250 Hydrogen Torch De-Oxidizer Chart...
- Page 25 TECHNICAL SUPPORT SRA Resource Center The SRA Resource Center is a 24/7 online technical knowledge base for operating, troubleshooting, and repairing all SRA Soldering Products. You can watch helpful support videos, search the Knowledge Base for answers, get educational content on soldering, and more.
- Page 26 www.sra-solder.com...
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