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NOTE:

Be sure the cleaning sponge is kept CLEAN and DAMP.
A dirty sponge will transfer contaminants to the soldering
tip, reducing thermal efficiency and possibly causing
defective solder joints. A dry sponge will abrade the
soldering tip, reducing its life.

3

2

4

B. Handpiece

1. Insert the tip fully into the handpiece (Hakko

911).
There are no orientation requirements.

2. Pass the iron cord through the hole in the

heat resistant pad.

1

2

4

2. Put the small cleaning sponge in one of the

four holes in the iron holder base.

3. Add water to the level shown in the ac-

companying illustration. The small sponge
will keep the large sponge moist through
capillary action.

4. Wet the large cleaning sponge, squeeze it

dry, and put it on the iron holder base.

Procedure 2-4 – OR –

Wet the large cleaning sponge, squeeze it
dry, and put it on the iron holder base.

5. Place the spare tips in the tip tray.

C. Soldering station

1. Insert the power cord into the receptacle at

the back of the station.
Inser t the soldering iron cord into the
receptacle at the front of the station.

2. Set the iron in the iron holder.

3. Plug the power cord into a grounded wall

socket. The Hakko 941 is protected against
electrostatic discharge and must be
grounded for full efficiency.

To remove the cord, 
draw the plug from 
the receptacle while 
pressing the release pin.

Receptacle

When the plug ‘clicks’, 
it is fully inserted.

CAUTION:

Be sure the power switch is OFF before connecting or
disconnecting the soldering iron cord. Failure to do so
may result in damage to the circuit board.

Summary of Contents for 941

Page 1: ...AM 19 High output temperature controlled compact soldering station Instruction Manual Thank you for purchasing the Hakko 941 soldering station This high output temperature controlled compact soldering...

Page 2: ...at idle temperature See Figure 1 Hakko 941 soldering station Power consumption Tip to ground resistance Tip to ground potential Length less cord Weight less cord Length of cord 45 W 15 V 2 W 2 mV 172...

Page 3: ...ials Inform others in the area that the unit is hot and should not be touched Turn the power off when not in use or left unattended Turn the power off when changing parts or storing the Hakko 941 CAUT...

Page 4: ...lows i Loosen the adjusting screws ii Set the iron holder to the desired height iii Tighten the screws Heat resistant pad Iron holder Cleaning sponge Tip not included Hakko 911 Soldering iron Power co...

Page 5: ...he large cleaning sponge squeeze it dry and put it on the iron holder base Procedure 2 4 OR Wet the large cleaning sponge squeeze it dry and put it on the iron holder base 5 Place the spare tips in th...

Page 6: ...he desired temperature indicating that it is ready for use An audible buzzer is provided to alert the operator when The station has reached the set temperature The buzzer will sound once The low tempe...

Page 7: ...perate normally with the card inserted If power is turned on with the card inserted the station will heat to the temperature set before the card was inserted Changing the temperature setting Example 3...

Page 8: ...ayed Replacing the tip a Always turn the power OFF when removing or inserting a tip b Hold the tip with the heat resistant pad and pull it out c Insert the new tip fully into the Hakko 911 If the tip...

Page 9: ...g a tip temperature thermometer to measure the actual tip temperature 8 1 Insert the control card into the slot in the station The station will default to the temperature setting mode Set the temperat...

Page 10: ...be displayed 3 Measure the tip temperature 4 Enter the offset value Determine the difference if any between 400 C 750 F and the measured tip temperature Record this value See the example following to...

Page 11: ...l setting When it is activated and the soldering iron is not used for 30 minutes the power to the heating element is shutoff automatically and the buzzer will sound three times When the temperature de...

Page 12: ...rature alarm tolerance For C 30 150 C For F 50 300 F When the station enters low temperature alarm tolerance setting mode the hundreds digit begun flashing Enter and store the value in the same manner...

Page 13: ...tive Never allow the unit to idle at a high temperature for extended periods This will allow the tip to become oxidized Turn the power switch OFF If it is to be out of service for several hours it is...

Page 14: ...mperature perform the tip maintenance described on p 12 If the value still does not decrease check the connection cord for breakage Checking the connection cord for breakage 1 Remove the soldering tip...

Page 15: ...ween the current temperature setting and the low temperature alarm tolerance is displayed and the warning buzzer sounds When the tip temperature rises to a value within the set tolerance the buzzer wi...

Page 16: ...the appropriate section of this manual regarding how to check the connection cord and or the heater sensor for breakage Solder does not wet the tip CHECK Is the tip temperature too high ACTION Set the...

Page 17: ...426 Part Name Bottom case Rubber foot Power switch Power cord 3 core American plug Power cord 3 core no plug Power cord 3 core BS plug Power cord 3 core European plug Power cord 3 core European plug P...

Page 18: ...5 See page 18 911 Parts Item No 1 2 3 4 5 6 7 Part No B2390 B2389 A1427 B2391 B2405 B2572 B2607 Part Name Iron receptacle Iron holder base Cleaning sponge Bottom plate Rubber foot Retaining clip Tip t...

Page 19: ...2BC 45 10 0 39 2 0 08 T1 LI Shape LI 12 0 47 R0 1 R0 004 T1 LB Shape LB 12 0 47 R 0 2 R 0 0 0 8 T1 02J Shape 0 2RB 45 10 0 39 2 0 08 T1 3BC Shape 3BC 45 10 0 39 3 0 1 T1 3BCF Shape 3BC Cut Surface Pre...

Page 20: ...E NO 22 JALAN PEMBERITA U1 49 SEKSYEN U1 TEMASYA INDUSTRIAL PARK 40150 GLENMARIE SHAH ALAM SELANGOR DARUL EHSAN WEST MALAYSIA TEL 03 519 5223 FAX 03 519 5221 E mail hakkokl tm net my PENANG BRANCH TEL...

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