#85522 RESISTANCE
SOLDERING UNIT (RSU)
INSTRUCTIONS FOR USE
Read all safety precautions and instructions. Failure to comply with the safety precautions and instructions
may result in electrical shock, fire and/or severe injuries. Keep these safety precautions and instructions for
future use.
ATTENTION:
Use caution while the tip is hot! Failure to do so may cause burns and SEVERE INJURY.
After operating, allow sufficient time for the tip to cool.
Electrical Requirements:
120V, 60Hz, less than 1 amp
Maximum Duty Cycle:
25% – Power should not be on
more than 25% of the total time.
Maximum ON Time:
15 Seconds
Intended Use:
Soldering of brass, bronze, tin, lead,
copper, steel and other solderable materials.
General Safety Warnings
• Keep work area clean and well lit.
• Do not operate the Resistance Soldering Unit in explosive
atmospheres, such as in the presence of flammable liquids,
gases or dust.
• Keep children and bystanders away while operating.
• Never modify the power cord plug in any way or use any
adapter plugs.
• Avoid bodily contact with grounded surfaces, such as pipes,
radiators, ranges and refrigerators.
• Do not expose power tools to rain or other wet conditions.
• Do not abuse the cord. Never use the cord for carrying, pulling
or unplugging the Resistance Soldering Unit. Keep cord away
from heat, oil, sharp edges and moving parts.
• If operating the Resistance Soldering Unit outdoors or in a damp
location, use a power line equipped with Ground Fault
Interrupter (GFI) protection.
• The operating tip and hand piece barrel of the Resistance
Soldering Unit get very hot. Keep fingers, hands, body, and
clothing away from the heated components of this tool.
• Maintain labels and nameplates on the Resistance Soldering
Unit. These carry important safety information.
• Do not allow any liquids or metal to fall into or on any part of this
tool. Doing so can cause short circuiting and/or electric shock.
• Avoid short circuits. Do not allow the metal parts of the hand
piece barrel to contact any part of the item being soldered –
only the carbon electrode must contact the item being soldered.
• Do not operate the Resistance Soldering Unit on a flammable
surface. Use and lay this tool down on a fireproof work surface
only. Allow sufficient time to cool completely before storing.
• Always keep a multiple class ABC fire extinguisher nearby.
• Use the Resistance Soldering Unit only in a well-ventilated area.
• Do not leave the Resistance Soldering Unit unattended when it
is plugged into an electrical outlet. Unplug the tool from its
electrical socket before leaving it unattended.
• Disconnect the power cord from the electrical outlet before
making any adjustments, changing accessories, or storing the
Resistance Soldering Unit.
• This product is not a toy. Keep it out of reach of children.
MM112012
340 Snyder Avenue
Berkeley Heights, NJ 07922
Tech Support: 908-464-1094
www.micromark.com
WARNING!
Operation of the Resistance Soldering Unit may expose you to chemicals, such as lead, lead vapors, and soldering flux,
which are known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands
after handling. (California Health & Safety Code § 25249.5, et seq.)
WARNING!
