Aktakom ASE-1107 Instrukcja obsługi - Strona 10

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Checking for Breakage of the Heating Element and Cord Assembly

Disconnect the plug and measure the

resistance

value

between

connecting plug pins as follows.

If the values of 'a' and 'b' are outside

the above value, replace the heating

element

(sensor)

and/or

assembly.

Refer to procedures 1 and 2. If the

value of 'c' is over the above value,

remove the oxidization film by lightly

rubbing with sandpaper or steel wool

the points as shown.

1. Broken Heating Element

Heating Element (Red) Sensor (Blue)

the

cord

Disassembling the soldering iron (handle)

1. Turn the nut (1)counterclockwise and remove the tip

enclosure (2), the tip (3).

2. Turn the nipple (4) counterclockwise and remove it from

the iron.

3. Pull both the heating element (6) and the cord assembly

(11) out of the handle (12). (Toward the tip of the iron).

4. Pull the grounding spring (5) out of the D-sleeve

Measure when the heating element is at room temperature.

1. Resistance value of heating element (Red) 2.5-4.0Ω.

2. Resistance value of sensor (Blue) 43-58Ω

If the resistance value is not normal, replace the

heatingelement (Refer to the instructions included with

thereplacement part.)

After replacing the heating element,

1. Measure the resistance value between 1) pins 4 & lor 2 2)

pins 5 & 1 or 2. If it is not ∞, the heating element and

sensor are touching. This will damage the PCB.

2. Measure the resistance value 'a', 'b', and 'c' to confirm

that the leads are not twisted and that the grounding spring

is properly connected.