Hakko Electronics 474 Instruction Manual
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Hakko Electronics 474 Instruction Manual

Desoldering tool
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Instruction Manual
Thank you for purchasing the HAKKO 474 Desoldering
Tool.
Please read the manual before using the HAKKO 474.
Store the manual in a safe, easily accessible place for
future reference.
CAUTION : Remove the pump securing screws (M4x25 marked red)
from the bottom of the station.
Failure to do so may result in serious problems.
Packing List··················································
Precautions··················································
Part Names
Operation
Maintenance
Parts List
Specifications, Wiring·······························
Desoldering Tool

Table of Contents

(Desoldering Gun)···················
(Station)···································
(Desoldering)························
(Troubleshooting Guide)········
(Desoldering Gun)············
(Station)····························
(Station)···························
(Desoldering Gun)·················
1
2
3
4
5·6
7·8
9
10
11
12~14
15~16
17~18
19~20
21
22

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Summary of Contents for Hakko Electronics 474

  • Page 1: Table Of Contents

    Instruction Manual Thank you for purchasing the HAKKO 474 Desoldering Tool. Please read the manual before using the HAKKO 474. Store the manual in a safe, easily accessible place for future reference. CAUTION : Remove the pump securing screws (M4x25 marked red) from the bottom of the station.

  • Page 2: Packing List

    Please check to make sure that all the items listed below Packing List are included in the HAKKO 474 package. Station···················································· Ceramic Paper Filter (S)····································· Desoldering Gun···································· Ceramic Paper Filter (L)····································· Iron Holder Base···································· Spring Filter······················································· Spring Iron Holder·································· Cleaning Pin (for Ø1.0mm [0.04 in] nozzle)········...

  • Page 3: Precautions

    Precautions In this instruction manual, "WARNING" and "CAUTION" are defined as follows. WARNING WARNING: Misuse may potentially cause death of, or serious injury to the user. CAUTION : Misuse may potentially cause injury to the user or physical damage to the objects involved.

  • Page 4: Desoldering Gun

    Part Names (Refer to p.19,20,21 for part nos.) Desoldering Gun Nozzle Filter Pipe Back Holder Set the ceramic paper filter (L) (No. A1033). Transmits heat for melting solder. Assembly Entrance for melted solder. Contains melted solder and flux using filters. Secures the filter Expendable part Filter are expendable parts.

  • Page 5: Station

    Station Temperature Control Set Screw Clamp Temperature Control Knob Prevents the temperature Provides nozzle temperature control knob from being reset. control. (refer to p.7) (refer to p.7) Power Lamp Lights up when the power switch is turned to ON. Power Switch When turned to ON, the heating element starts to heat up.

  • Page 6: Preparation-Assembly And Connection

    Operation Preparation-Assembly and Connection Assemble the HAKKO 474 on a flat surface. Remove the pump securing screws (M 4 x 25 marked red) Spring Iron Holder (No. B1094) from the bottom of the station. Cleaning Pin Holder (No. B1095) Assemble the iron holder.
  • Page 7 Connections CAUTION Be sure to turn off the power switch before connecting or disconnecting the cord assembly and the power plug. Failure to do so may damage Insert the cord the P.W.B. assembly by keying the plug to the key on the receptacle.

  • Page 8: Desoldering

    ·The temperature control knob can be secured by tightening the temperature control set screw clamp (Ò+ Ó screw) at the top of the HAKKO 474 unit. Clean the tip of the nozzle. ·Keep the solder-plated section of the nozzle a shiny white by coating it with a small amount of solder.
  • Page 9 Melt the solder. ·Apply the nozzle to the soldered part and melt the solder. Nozzle CAUTION Never allow the nozzle to touch the board itself. P.W.B. ·Confirm that the solder is Solder Lead melted. CAUTION To confirm that all the solder is melted, observe the inside of the hole and the backside of the P.W.B.

  • Page 10: Cleaning During Operation

    Operation Heated solder and flux can cause oxides to form and adhere to the nozzle and the inside of the heating element. These oxides not only lower the heat conductivity, but can also clog the nozzle and heating element, resulting in a drop in suction efficiency.

  • Page 11: Problems During Desoldering

    Remove all solder from the inside of the nozzle and perform the following maintenance heating element. procedures immediately after using Clean the tip of the nozzle with the cleaning sponge, then coat the tip with a fresh layer of solder to protect the HAKKO 474 unit. the solder plating.

  • Page 12: Troubleshooting Guide

    WARNING : If the power cord is damaged, it must be replaced by Troubleshooting Guide the manufacturer, its service agent or similarity qualified person in order to avoid personal injury or damage to the unit. Power lamp does not light up. ·Is the power cord plugged in correctly? Securely insert the power cord into the power supply.

  • Page 13: (Desoldering Gun)

    Maintenance (Desoldering Gun) Properly maintained, the HAKKO 474 desoldering gun should provide years of good service. Efficient desoldering depends upon the temperature, and the quality and quantity of the solder and flux. Perform the following service procedures as dictated by the conditions of the gun's usage.
  • Page 14 Disassemble the heating Element Cover Heating Element element. CAUTION The heating element is very hot Nozzle during operation. Remove the nut with the attached spanner. Clean out the hole in the Scrape away all oxidation from the hole in the heating element until heating element with the the cleaning pin passes cleanly through the hole.
  • Page 15 Secure the filters. ·Attach the spring filter to the front holder. ·Attach the front holder to the filter pipe. CAUTION Be sure the front holder is correctly aligned. Ceramic Paper Filter (L) CAUTION (No. A1033) Use the ceramic paper filter (L) for the filter pipe (gun).

  • Page 16: (Station)

    Maintenance (Station) Cleaning the inside of the Filter Case Replace the ceramic VACUUM paper filter (No. A1009). Remove the ceramic paper filter and inspect it. If it is stiff with flux, replace it. Filter Retainer Remove the filter retainer and push out the ceramic Ceramic Paper paper filter.
  • Page 17 Cleaning the Pump WARNING Unplug the power cord before Rear Panel starting this procedure. Cover Disassemble the pump heads. ·Remove the rear panel. ·Remove the cover. Remove the screws. ·Remove the pump head from each side of the pump. Remove the cover screws.

  • Page 18: Replacement Parts

    Replacement Parts Replacing the Heating Element WARNING Unplug the power cord before starting this procedure. The resistance value of a working heating element is 2-4 at 23˚C (73˚F). If the value you get is outside this range, replace the Remove the Filter Pipe. heating element.
  • Page 19 Insert a new heating element and reassemble. Cover the glass tube (Heating element 24V-50W) on the connecting part. CAUTION Before reassembling enclosure, Bend the lead make sure connectors are completely before inserting it. covered by the glass tube. push in. Position the leads in groove and press them into place.

  • Page 20: (Station)

    Parts List (Station) Pan Head Screw with Washer M 4 x 8 (2) Item No. Part No. Part Name Description B1029 Vacuum Outlet Cap A1009 Ceramic Paper Filter (S) 10 pcs. B1063 Filter Retainer External Tooth Lock B1031 Vacuum Outlet Retainer w/O-ring (S20) Washer B1034...

  • Page 21: (Desoldering Gun)

    Parts List (Desoldering Gun) Pan Head Screw (Sus) M 2.6 x 7(3) Item No. Part No. Part Name Description A1314 Front Holder Tapping Screw A1030 Spring Filter 10 pcs. M 3 x 5 A1033 Ceramic Paper Filter (L) 10 pcs. B2073 Filter Pipe w/Front Holder &...

  • Page 22: Specifications

    Specifications ·Replacement Parts Name HAKKO 474 Part No. Part. Name / Specification Power Consumption 100W A1002 Nozzle S Ø0.8 mm (0.03 in ) ·Station A1003 Nozzle S Ø1.0 mm (0.04 in ) Part Name Station A1004 Nozzle Ø0.8 mm (0.03 in )
  • Page 23 ¨ HONG KONG: HAKKO DEVELOPMENT CO., LTD. HEAD OFFICE ROOM 804 EASTERN HARBOUR CENTRE, 4-5, SHIOKUSA 2-CHOME, NANIWA-KU, OSAKA, 556 JAPAN 28 HOI CHAK STREET, QUARRY BAY, HONG KONG. TEL: (06) 561-3225 FAX: (06) 561-8466 TEL: 2811-5588 FAX: 2590-0217 TLX: HAKKOOSA J65274 PHILIPPINES: HAKKO PHILS TRADING CO., INC.

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