Hakko Electronics 373 User manual

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Automatic solder feeder that enables a user to complete
soldering work just with one hand
Solder feed time and speed are settable
Soldering related equipment and materials/Solder feed system
The solder feed time and speed can be set.
Can adjust solder feed time and feed speed with the control knobs.
Can control solder feed amount by a combination of solder feed time and feed speed.
Operate in AUTO or MANUAL mode
AUTO MODE : If you press the feed switch, solder will be fed with set time and speed independently
of length of pressing time.
MANUAL MODE : Solder will be fed with set speed during pressing the feed switch.

With the solder return mechanism
After feed solder, the specified length of solder can be returned.
Soldering robots may need this solder return function. Amount of solder return is adjustable within 0 to
5 mm.
With the solder return mechanism
HAKKO 374 with anti-solder-balling function is also available.
Soldering for one-handed operation
For applicable soldering irons or the part numbers of option parts, click here.
Soldering with a feeder pen
For the part numbers of feeder pen or option parts, click here.

Applicable Soldering Iron
Station Solderin iron
* Click on the following link belowjump to the
table of the optional parts.
Station type
HAKKO FM-203
HAKKO FM-206 For HAKKOFM-2027 For HAKKOFM-2030
HAKKO FX-801 For HAKKO FX-8002
HAKKO FX-838 For HAKKO FX-8301
HAKKO FR-701
HAKKO FR-702
HAKKO FX-888 (Discontinued)
HAKKO FX-888D
HAKKO FX-889
For HAKKOFX-8801
For HAKKOFX-8805
HAKKO FX-950
HAKKO FX-951
HAKKO FX-952 For HAKKOFM-2028
HAKKO 928 (Discontinued) For HAKKO900M
For HAKKO900L

* Not available for HAKKO 900S
HAKKO 931 (Discontinued)
HAKKO 932 (Discontinued) For HAKKO902 (Discontinued)
HAKKO 929 (Discontinued) For HAKKO904 (Discontinued)
HAKKO 936 (Discontinued)
HAKKO 937 (Discontinued)
HAKKO 701 (Discontinued)
For HAKKO907
For HAKKO908
* Not available for HAKKO 900S
* If you prefer gun type, HAKKO 958/959
are recommended for one-hand soldering
with automatic solder feeding.
HAKKO 942 (Discontinued) For HAKKO912 (Discontinued)
* Available only when attaching Long
nipple
Ceramic heater type
HAKKO DASH (Discontinued)
For N452/N453
For N454
HAKKO MACH-I (Discontinued)
For 918
For 920/921/922
Hints On Use
1.I want to use the HAKKO 373 for a different solder diameter.
Change the tube unit, guide pipe assembly, and solder diameter adjustment ring according to the solder
diameter to be used.
2.I want to change the soldering iron used with the HAKKO 373/374.
Change the iron holder, guide pipe assembly, and tube unit if they do not agree with the soldering iron to
be used.
・Soldering for one-handed operation
*Ø1.6 Lead-free solder is NOT available for use.
Optional parts required:
・Solder Diameter Adjustment Ring
・Tube Unit
・Guide Pipe Assembly
Soldering Iron：FM-2030
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 -
Tube Unit B3477 B3478 -

Guide Pipe Assembly B3726 B3727 B3728 B3729 -
Soldering Iron：FX-8002
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 -
Tube Unit B3477 B3478 -
Guide Pipe Assembly B5072 B5073 B5074 B5075 -
Soldering Iron：FX-8301
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit B3563 B3564
Guide Pipe Assembly B3566 B3567 B3568 B3569 B3570
*Ø1.6 Lead-free solder is NOT available for use.
Soldering Iron：FM-2027 and FM-2028
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 -
Tube Unit B3477 B3478 -
Guide Pipe Assembly B3481 B3482 B3483 B3484 -
Soldering Iron：900M, N452 and N453
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit B1631 B1672
Guide Pipe Assembly B1674 B1675 B1676 B1677 B1678
*Ø1.6 Lead-free solder is NOT available for use.

Soldering Iron：900L and N454
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit B1631 B1672
Guide Pipe Assembly B1679 B1680 B1681 B1682 B1683
*Ø1.6 Lead-free solder is NOT available for use.
Soldering Iron：902 and 904
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit B1957 B1958
Guide Pipe Assembly B1694 B1695 B1696 B1697 B1698
*Ø1.6 Lead-free solder is NOT available for use.
Soldering Iron：FX-8801 and 907
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit B2143 B2144
Guide Pipe Assembly B2146 B2147 B2148 B2149 B2150
*Ø1.6 Lead-free solder is NOT available for use.
Soldering Iron：FX-8805 and 908
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit B2143 B2144
Guide Pipe Assembly B2151 B2152 B2153 B2154 B2155
*Ø1.6 Lead-free solder is NOT available for use.

Soldering Iron：912 (Available only when attaching Long nipple)
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 -
Tube Unit B3479 B3480 -
Guide Pipe Assembly B3481 B3482 B3483 B3484 -
Soldering Iron：918
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit
without switch B1632 B1673
Guide Pipe Assembly B1689 B1690 B1691 B1692 B1693
*Ø1.6 Lead-free solder is NOT available for use.
*A foot switch is available separately.
Soldering Iron：920, 921 and 922
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm(*)
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630
Tube Unit
without switch B1632 B1673
Guide Pipe Assembly B1684 B1685 B1686 B1687 B1688
*Ø1.6 Lead-free solder is NOT available for use.
*A foot switch is available separately.
· Soldering with Feeder pen
Optional parts required:
・Feeder Pen
・Switch
・Solder Diameter Adjustment Ring
As for the switch, please choose either Foot switch or Feeder switch as below.
Usable Solder Dia 0.6/0.65mm 0.8mm 1.0mm 1.2mm 1.6mm
Solder Diameter
Adjustment Ring B1626 B1627 B1628 B1629 B1630

Feeder Pen C1234 C1235
Switch Foot Switch B1649
Feeder Switch B2124