Sparkfun Electronics 937b User Manual

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soarkfun,
~ 'ELECTRONICS
Thermo-control Anti-Static
User's Manual
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Page 2
Page 3
Setting up&Operating the Unit CAUTION!
The sponge is compressed. It will swell=--- when moistened with water. Before using
the unit, dampen the sponge with the water and squeezeditdry. Failure to do
S?
may result in damage to the soldering
tip.
1. Iron Holder
Small Cleaning Sponge. Dampen the small cleaning sponge with water and then squeeze it dry. Place it in one of the 4 openings of the iron holder base.
Add water to approximately the level as shown. The small sponge will absorb water to keep the larger sponge above it wet at all times. The large sponge may be used alone
(wlo small sponge&water).
Dampen the large cleaning sponge and place it on the iron holder base.
CAUTION: Be to turn off the
power switch before connection or
disconnecting the soldering iron. Failure to do so may damage the P.C. B.
2. Connections
Connect the cord assembly to the receptacle.
Place the soldering iron in the iron holder.
Plug the power cord into the power supply. Be sure to ground the unit.
3. Set the Temperature
Set the temperature control knob to the desired temperature.
Lock the knob. The sparkfun937 station is equipped with a temperature control knob l?ck. After setting the desired temperature,
tighten the hex nut on the underside ofthe knob mount using the supplied hex wrench. TU11lthe nut clockwise to tighten the knob
lock.
t,
CAUTION: -
DOII't
overtighten the
knob lock. -
DOII't
attempt to turn the
knob when the knob lock is 011.
4. Turn on the Power Switch.
The heater lamp blinks on and off when the tip temperature reaches the set temperature. The
unit is now ready to perform soldering work.
CAUTION: The soldering iron must be
placed
ill
the iron holder when not in use.
1. Tip Temperature
High soldering temperatures can degrade the
hp.
Use the lowest possible soldering
temperature: The excellent thermal recovery characteristics ensure efficient and effective soldering even at low temperatures.
2. Cleaning
Clean the tip regularly with a cleaning sponge, as oxides and carbides from the solder and flux can form impurities on the tip. These impurities can result in defective joints or reduce the tip's heat conductivity.
When using the soldering iron continuously, be
sure to loosen the tip and remove all oxides at least once a week. This helps prevent seizure and reduction of the tip temperature.
3. When Not in Use
Never leave the soldering iron sitting at high temperature for long periods of time as the tip's solder plating will become covered with oxide, which can greatly reduce the tip's heat conductivity.
4. After Use
Wipe the tip clean and coat the tip with fresh solder. This helps prevent tip oxidation.
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1. Inspect and Clean the Tip
CAUTION: Never file the Tip to remove
oxide.
Set the temperature to 250'C(482"F).
When the temperature stabilizes, clean the tip with the cleaning sponge and check the
condition of the tip.
If there is black oxide on the solder-plated portion of the tip, apply new solder
(containing flux) and wipe the tip on the cleaning sponge. Repeat until the oxide is completely
removed. Coat with new solder.
If the tip is deformed or heavily eroded,
replace it with a new one.
2. Calibrating the Iron Temperature
The soldering iron should be recalibrated after changing the iron, or replacing the heating element or tip.
Connect the cord assembly plug to the
receptacle on the station.
Set the temperature control knob to 400'C
(750·F). .
Turn the power switch to "ON" and
wait until the temperature stabilizes. Remove the CAL pot plug.
When the temperature stabilizes, use a straightedge (-) screwdriver or small plus
(+)
screwdriver to adjust the screw
(marked CAL at the station) Until the tip thermometer indicates a temperature of 400·C(750·F). Turn the screw clockwise to increase the temperature and counterclockwise to reduce the temperature. Replace the CAL pot plug.
3. Tips
The tip temperature will vary according to the
h
Shape of the tip. The preferred method of adjustment uses a tip thermometer (See
"Calibrating the Iron Temperature").
WARNING!
Disconnect the power plug before servicing. Failure to do so may result
ill
electric shock.
If the power cord is damaged, it must be
replaced by the manufacturer, its service agent or similarity qualified person in order to avoid personal injury or damage to the unit.
Problem 1. The heater lamp does not light up.
[Check 1.]
Is the power cord and/or connecting plug disconnected?
Connect it.
[Check 2.]
Is the fuse blown? . .
Determine why the fuse blew and eliminate the cause, then replace the fuse.
a.1~the inside of the iron short-circuited? b. Is the grounding spring touching the
heating element?
c. Is the heating element lead twisted and
short-circuited?
Problem 2. The heater lamp lights up but the tip does not heat up.
[Check 3.]
Is the soldering iron cord broken?
Refer to "Checking for breakage in the cord assembly."
[Check 4.]
Is the Heating Element broken?
Refer to "Checking for breakage in the heating element."
o
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Problem 3.
The tip heats up intermittently. [Check 3.]
Problem 4.
The tip is not wet.
[Check 5.]
Is the tip temperature too high?
Set an appropriate temperature.
[Check 6.]
Is the tip clean?
Refer to 'Tip Care and Use '.
Problem 5.
The tip is not wet.
[Check 7.]
Is the tip coated with oxide?
Refer to "Insect and clean the tip" .
[Check 8.]
Is the iron calibrated correctly?
Recalibrate.
Problem 6.
The tip cannot be pulled off.
[Check 9.]
Is the tip seized? Is the tip swollen because of deterioration?
Replace the tip and the heating element.
Problem 7.
The tip doesn't hold the desired temperature
[Check 8.]
Page 6
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