Check And Replace The Soldering Iron - Bräunlich Quick Tools QU3205 User Manual

2.9. Check and Replace the
Soldering Iron
When there is something wrong with the soldering iron, you can check
and test it. If it is broken, replace the broken element.
2.9.1. Check the Soldering Iron
1. Pull out the plug and measure the resistance value between the pins
of the connecting plug when the heating element cooling down to the
room temperature.
2. If the values of 'a' and 'b' are different from the values in the following
table, replace the heating element or sensor or cord assembly. Refer
to the following steps.
3. If the value of 'c' is over the below value, remove lightly the oxidation
in the joint part of the tip and the heat element with sandpaper or
steel wool.
Between pins 4&5 (Heating
a.
Element)
b. Between pins 3& Tip
2.9.2 Disassembling the Iron Handle
＜4Ω(Normal)
Under 2Ω
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