Hakko Electronics 475 Bedienungsanleitung

®

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. Precautions ................................................................. 2

3. Part Names (Desoldering Gun) .............................. 3

(Station) ............................................. 4

4. Operation (Preparation-

Assembly and Connection) ......... 5 • 6

(Desoldering) ................................ 7 • 8

(Cleaning during Operation) .............. 9

(Problems during Desoldering)

(Post-operation Maintenance) ......... 10

(Troubleshooting Guide) ...................11

5. Maintenance (Desoldering Gun).....................12 ~ 14

(Station) .................................... 15 • 16

6. Replacement Parts

(Replacing Heating Element) .... 17 • 18

7. Parts List (Station) .................................... 19 • 20

(Desoldering Gun) ............................ 21

8. Speciﬁcations ........................................................... 22

9. Wiring ....................................................................... 22

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.

For your own safety, be sure to comply with these precautions.

CAUTION

When the power is on, the nozzle temperature is between

380°C/716°F and 480°C/ 896°F.

Since mishandling may lead to burns or ﬁre, be sure to comply with

the following precautions.



Do not touch the metallic parts near the nozzle, nearby plastic parts and the

spring iron holder.



Do not use the product near ﬂammable items.



Advise other people in the work area that the unit can reach a very high tem-

perature and should be considered potentially dangerous.



Turn the power off while taking breaks and when ﬁnished using the unit.



Before replacing parts or storing the unit, turn the power off and allow the unit

to cool to room temperature.



This appliance is not intended for use by persons (including children) with

reduced physical, sensory or mental capabilities, or lack of experience and

knowledge, unless they have been given supervision or instruction concerning

use of the appliance by a person responsible for their safety.



Children should be supervised to ensure that they do not play with the appli-

ance.

To prevent damage to the unit and ensure a safe working environ-

ment, be sure to comply with the following precautions.



Use clean, ﬁltered air as the ﬂuid. With the trigger pulled and air ﬂowing,

adjust the pressure to between 490 to 686kPa(5.0 to 7.0kgf/cm2)



Do not use the unit for applications other than desoldering.



Do not rap the desoldering gun against the work bench to shake off residual

solder, or otherwise subject the iron to severe shocks.



Do not modify the unit.



Use only genuine HAKKO replacement parts.



Do not wet the unit or use the unit when your hands are wet.



Set the ceramic paper ﬁlter (S) for the ﬁlter retainer (station), and the ceramic

paper ﬁlter (L) for the ﬁlter pipe (gun).



Maintain the desoldering gun and the station.



While using the unit, donʼt do anything which may cause bodily harm or physi-

cal damage.

3. Part Names

 Desoldering Gun

(Refer to p.19, 20 & 21 for part nos.)

Nozzle

Transmits heat for melting solder, En-

trance for melted solder.

Expendable part.

Heating Element

Inside requires cleaning.

Trigger

Squeeze to start absorption.

Do not pull the trigger before

fully heating the nozzle.

Filter Pipe

Set the ceramic paper ﬁlter (L) (No.A1033).

Contains melted solder and ﬂux using ﬁlters.

Filters are expendable parts. Back Holder As-

sembly

Secures the ﬁlter

pipe.

Release Knob

Push down to remove

the ﬁlter pipe.

Indicator

Indicates when nozzle

and heating element

need cleaning and

when ﬁlters need

replacing.

(refer to p.9)

Hose

Connects to the vacuum outlet

cap (station).

Cord Assembly

Connects to the receptacle (station).

 Station

Temperature Control Knob

Provides nozzle temperature con-

trol. (refer to p.7)

Temperature Control Set

Screw Clamp

Prevents the temperature con-

trol knob from being reset.

(refer to p.7)

Vacuum Outlet Cap

Set the ceramic paper ﬁlter (S) (No.

A1009).

Connects with the hose. Filter inside

vacuum outlet cap is expendable.

Receptacle

Connector for the cord

assembly.

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.

CAL (Calibration)

Used for calibrating

the temperature after

replacing the heating

element.

Power Cord

Fuse Holder

• 100, 110V unit

contain 125V-2A fuse.

• 120V unit contains

250V-2A (U) fuse.

• 220, 230V unit contain

250V-1A fuse.

• Australian 240V unit

contains 250V-1A

fuse.

Female Connector

Supplier inlet compresser air

Tapered screw; PT 1/8

4. Operation

Tube(red)

Securely insert the

cleaning pin holder.

Preparation-Assembly and Connection

Assemble the HAKKO 474 on a ﬂat surface.

1 Assemble the iron holder.

• Set the spring iron holder and

cleaning pin holder in the iron

holder base.

• Dampen the cleaning sponge

with water and then squeeze it

dry.

CAUTION

The sponge is compressed.

It will swell when moistened with

water.

Be sure to dampen the sponge with

water before use.

Be sure to remove the round portion

of the sponge.

2 Insert the desoldering

gun and cleaning pins.

• Fully insert the desoldering gun

into the spring iron holder.

CAUTION

The spring iron holder becomes

extremely hot during operation of

the desoldering gun. Do not touch

the spring iron holder during and

immediately after using the gun.

3 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

the P.W.B.

• Connect the cord assembly to the

receptacle (marked “IRON”).

• Connect the hose to the vacuum

outlet cap (marked “VACUUM”).

Insert the cord

assembly by keying

the plug to the key

on the receptacle.

Secure the plug by

turning it clockwise.

Fully insert the hose

into the vacuum outlet

cap.

Spring Iron Holder

(No.B1094)

Cleaning Pin Holder

(No.B1095)

Iron Holder Base

Cleaning Sponge

5 Power switch

• Conﬁrm that the power switch is

set in the OFF position, then con-

nect the power plug to the power

source.

CAUTION

The entire unit is constructed of con-

ductive materials. Always ground the

unit.

• Turn the power switch to ON.

The power lamp should light up.

• The nozzle begins to heat up

as soon as the power switch is

turned to ON.

6 After turning the power

switch to ON, wait 3

minutes before beginning

desoldering operations.

The power lamp doesnʼt light

up.

1. Is the power cord properly con-

nected?

2. Is the fuse blown?

The nozzle doesnʼt heat up.

1. Is the cord assembly properly

connected?

2. Is the heating element broken?

The power lamp

lights up.

The nozzle heats up.

CAUTION : The desoldering gun must be placed in the

iron holder when not in use.

4 Connect to the compresser.

• Use ﬁltered air without any dust,

oil and moisture.

• With the trigger pulled and air

ﬂowing, adjust the regulator air

pressure to 490kPa(5.0kgf/cm2).

The absorption power of the unit will

be reduced if adjustment is made

while air is not ﬂowing or if the tube is

not measured as speciﬁed.

Do not set the regulator to pressure

of 882kPa (9kgf/cm2) or more while

the trigger is not pulled, as such

pressures can damage various parts

of the HAKKO 475 station.

CAUTION

Connections

Station

Male Connector:

pipe thread 1/8 Compressor

Regulator:

adjust to

490kPa

(5.0kgf/cm2)

Air Filter:

ﬁlter out dust,

oil and moisture.

Tubing:

must have a diameter of more

than ø0.17 in. and a length of

less than 9.5 ft.

CAUTION

Use the air ﬁlter. Dust, oil and

moisture can adhere to

the solenoid valve in the pipe

without it. This may result in

damage to the unit.

4. Operation

Desoldering

After turning the power switch to ON,

wait 3 minutes before begin-

ning desoldering operations.

1 Set the temperature.

CAUTION

Always set the temperature to as low

as possible for the work being done.

• To more precisely set the temper-

ature, measure the temperature

at the nozzle using a soldering

iron thermometer and adjust the

temperature control knob accord-

ingly.

We recommend the HAKKO FG-100

thermometer or HAKKO FG-101

soldering tester for measuring the

nozzle temperature.

• The temperature control knob

can be secured by tightening the

temperature control set screw

clamp (“+” 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.

If the tip of the nozzle is coated with

oxide, the nozzleʼs heat conductivity

will be lowered.

Coating the tip with a small amount

of fresh solder ensure maximum

heat conductivity.

Lock

Unlock

Secure the temperature

control set screw clamp

with a cross point screw-

driver.

Wipe away any oxide or old solder

from the nozzle using the hole in the

center of the sponge.

The temperature can be adjusted between 380°C (716°F)

and 480°C (896°F) with temperature control knob.

Please refer to the chart below, and adjust the tempera-

ture control knob.

knob

1 and 2

3 and 4

5 and 6

P.W.B.

Single-sided P.W.B.

Through-hole P.W.B.

Multilayer P.W.B.

CAUTION

Never insert the cleaning pin

in the hole of temp. control set

screw clamp.

As this may result in damage to

the unit.

3 Melt the solder.

• Apply the nozzle to the soldered

part and melt the solder.

CAUTION

Never allow the nozzle to touch the

board itself.

• Conﬁrm that the solder is melted.

CAUTION

To conﬁrm that all solder is melted,

observe the inside of the hole and

the backside of the P.W.B. If this is

difﬁcult to do, try slowly moving the

lead with the nozzle – If the lead

moves, the solder is melted.

CAUTION

Never move the lead by force. If it

doesnʼt move easily, the solder isnʼt

yet fully melted.

4 Absorb the solder.

• After conﬁrming that the solder

is completely melted, absorb the

solder by squeezing the trigger on

the gun.

CAUTION

Never leave any solder remaining

inside the hole in the P.W.B.

• After fully absorbing all the solder,

cool the soldering junction in

order to prevent it from becoming

resoldered.

5 Problems during

desoldering.

• If solder remains, resolder the

component and repeat the desol-

dering process.

Nozzle

P.W.B.

Solder

Lead

Slowly move

the lead with

the nozzle.

Absorb the solder by slowly

moving the lead back and

forth with the tip of the

nozzle.

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. Should there be a noticeable drop in

suction efﬁciency during operation, replace the ﬁlter and clean the nozzle

and heating element with the provided cleaning pin.

Cleaning during Operation

1 Observing the indicator

While looking at the indicator

and with the hole of the nozzle

open, pull the trigger and look

at the indicator. If it is red, clean

the nozzle and heating element,

empty the ﬁlter pipe, and replace

the ﬁlters. If the indicator is blue,

cleaning is not necessary and

operations can be resumed.

CAUTION

The indicator will not operate ac-

curately if the hole of the nozzle is

closed or if the solder in the hole of

the P.W.B. is not melted.

CAUTION

The indicator on the HAKKO 474

reads in a different way.

For instruction on the reading the

HAKKO 474 indicator, please refer to

the HAKKO 474 instruction manual.

2 Replacing the ﬁlter

Replace the ﬁlter as shown A to C.

During operation, the ﬁlter pipe is

very hot. Wait until the ﬁlter pipe

is cool before replacing the ﬁlter.

We recommend keeping a second

ﬁlter pipe containing new ﬁlters

handy, and replacing the installed

ﬁlter pipe with this backup ﬁlter

pipe.

A Replace the entire ﬁlter pipe

with he provided backup ﬁlter pipe. B Pull

C Down

Normal

One-half or

less of rthe

indicator is red.

Abnormal

Three-fourths

of the indicator

is red.

Solution

If three-fourths or more of

the indicator is red, replace

the ﬁlter and clean the

nozzle and the inside of

the heating element.

(refer to p.12 Maintenance

of the Desoldering Gun)

CAUTION : If there is a noticeable drop in suction

efﬁciency, clean the nozzle and heating ele-

ment with the cleaning pin.

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