Table of Contents
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®
Instruction Manual
Thank you for purchasing the HAKKO 475 desoldering tool.
Please read this manual before operating the HAKKO 475.
1. Packing List ................................................................ 1
2. Precautions ................................................................. 2
4. Operation
5. Maintenance
6. Replacement Parts
7. Parts List
8. Specifications ........................................................... 22
9. Wiring ....................................................................... 22
Desoldering Tool
Keep this manual readily accessible for reference.
Table of Contents
(Desoldering Gun) .............................. 3
(Station) ............................................. 4
Assembly and Connection) ......... 5 • 6
(Desoldering) ................................ 7 • 8
(Cleaning during Operation) .............. 9
(Post-operation Maintenance) ......... 10
(Troubleshooting Guide) ...................11
(Desoldering Gun).....................12 ~ 14
(Station) .................................... 15 • 16
(Replacing Heating Element) .... 17 • 18
(Station) .................................... 19 • 20
(Desoldering Gun) ............................ 21
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Summary of Contents for Hakko Electronics 475
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Page 1: Table Of Contents
® Desoldering Tool Instruction Manual Thank you for purchasing the HAKKO 475 desoldering tool. Please read this manual before operating the HAKKO 475. Keep this manual readily accessible for reference. Table of Contents 1. Packing List ..............1 2. -
Page 3: Precautions
2. Precautions In this instruction manual, “WARNING” and “CAUTIONS” 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
3. Part Names (Refer to p.19, 20 & 21 for part nos.) Desoldering Gun Nozzle Transmits heat for melting solder, En- Filter Pipe trance for melted solder. Set the ceramic paper filter (L) (No.A1033). Expendable part. Contains melted solder and flux using filters. Filters are expendable parts. -
Page 5: Station
Station Temperature Control Knob Temperature Control Set Provides nozzle temperature con- Screw Clamp trol. (refer to p.7) Prevents the temperature con- trol knob from being reset. (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... -
Page 6: Preparation-Assembly And Connection
4. Operation Preparation-Assembly and Connection Spring Iron Holder (No.B1094) Assemble the HAKKO 474 on a flat surface. Cleaning Pin Holder (No.B1095) 1 Assemble the iron holder. • Set the spring iron holder and cleaning pin holder in the iron holder base. •... - Page 7 CAUTION pressures can damage various parts Use the air filter. Dust, oil and of the HAKKO 475 station. moisture can adhere to the solenoid valve in the pipe 5 Power switch without it. This may result in •...
- Page 8 (“+” screw) at the top of the HAKKO 475 unit. 2 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.
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Page 9: Desoldering
3 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. Solder • Confirm that the solder is melted. Lead CAUTION To confirm that all solder is melted, observe the inside of the hole and the backside of the P.W.B. -
Page 10: Cleaning During Operation
4. 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, result- ing in a drop in suction efficiency. -
Page 11: Problems During Desoldering
Clean the tip of the nozzle with the cleaning sponge, procedures immediately after using then coat the tip with a fresh layer of solder to protect the the HAKKO 475 unit. solder plating. -
Page 12: Troubleshooting Guide
WARNING : If the power cord is damaged, it must be Troubleshooting Guide replaced by 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. •... - Page 13 5. Maintenance (Desoldering Gun) Properly maintained, the HAKKO 475 desoldering gun should provide years of good ser- vice. 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 gunʼs usage.
- Page 14 2 Disassemble the heating Heating Element Element Cover element. CAUTION Nozzle The heating element is very hot dur- ing operation. Remove the nut with the attached wrench. 3 Clean out the hole in the Scrape away all oxidation from the hole in the heating element until the heating element with the cleaning pin passes cleanly through the hole.
- Page 15 5 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 Ceramic Paper aligned. Filter (L) (No.A1033) CAUTION Use the ceramic paper filter (L) for the filter pipe (gun).
- Page 16 5. Maintenance (Station) Cleaning the inside of the Filter Case VACUUM 1 Replace the ceramic 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 paper filter.
- Page 17 • Remove the exhaust filter which covers the ejector. Replace it if it is dirty. Exhaust filter • Remove the ejector cover. If the noise filter (No.B1269) inside the cover is very dirty, replace it. • Remove the exhaust pipe and spacer from inside the ejector.
- Page 18 6. Replacement Parts Replacing the Heating Element WARNING Unplug the power cord before start- ing this procedure. The resistance value of a working heating element is 2-4Ω at 23°C (73° F). If the value you get is outside this range, replace the heating element. Remove the filter pipe.
- Page 19 4 Insert a new heating Cover the glass tube on the element and reassemble. connecting part. (Heating element 24V-50W) CAUTION Bend the lead before inserting it. Before reassembling enclosure, make sure connectors are complete- ly covered by the glass tube. Push in.
- Page 20 7. Parts List (Station) Note: Spare or repair parts do not include mounting screws, if they are not listed on the description. Pan Head Screw with Washer M4×8 Pan Head Screw with Washer M4×8 Pan Head Screw with Washer M3×6 External Tooth Lock Washer nominal size 4...
- Page 21 Pan Head Screw M3×55 Tapping Screw M2.6×6 (2) Tapping Screw M2.6×8 (4) Pan Head Screw M5×10(4) Item No. Part No. Part Name Specifications Item No. Part No. Part Name Specifications B1037 Rubber stopper Set of 4 B2068 Power cord, 3 wired cord & American plug U.S.A.
- Page 22 7. Parts List (Desoldering Station) (Desoldering Gun) Pan Head Screw (Sus) M2.6×7 (3) Item No. Part No. Part Name Specifications A1314 Front holder Tapping Screw M3×5 A1030 Spring filter Set of 10 A1033 Ceramic paper filter (L) Set of 10 B2073 Filter pipe With front holder &...
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Page 23: Desoldering Gun
8. Specifications Replacement Parts Model No. HAKKO 475 Power Consumption Part No. Part Name Specifications A1002 Nozzle S ø0.8mm (0.03 in.) Part Name A1003 Nozzle S ø1.0mm (0.04 in.) Output Voltage AC 24V A1004 Nozzle ø0.8mm (0.03 in.) Vacuum Generator...
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