®
Desoldering Tool
Instruction Manual
●
Thank you for purchasing the Hakko 472D desoldering tool
with digital temperature display.
Please read this manual before operating the Hakko 472D.
Keep this manual readily accessible for reference.
●
CAUTION
Before Plugging In!
REMOVE the pump securing screw (M4 × 25, red) from the
bottom of the 472D station before using it. Leaving the screw
in place will cause serious problems. Be sure to SAVE THIS
SCREW!
REPLACE the pump securing screw (M4 × 25, red) into the
bottom of the 472D station before transporting it. Leaving the
screw out will cause serious problems.
TABLE OF CONTENTS
PACKING LIST / SPECIFICATIONS .............................................. 1
WARNINGS, CAUTIONS, NOTES AND EXAMPLES ................... 2
PART NAMES ............................................................................... 3
OPERATION .................................................................................. 4
PARAMETER SETTING ................................................................ 8
MAINTENANCE ............................................................................ 9
REPLACEMENT PARTS ............................................................. 12
ERROR MESSAGES................................................................... 14
BEFORE SERVICING ...... .......................................................... 14
REPLACEMENT/OPTIONAL PARTS .......................................... 15
PARTS LIST (IRON) .................................................................... 16
PARTS LIST (STATION) .............................................................. 17
WIRING DIAGRAM...................................................................... 19
PACKING LIST
Please check to make sure that all the items listed
below are included in the Hakko 472D package.
Station ............................................................. 1
Desoldering iron (Hakko 807) ......................... 1
Filter pipe [w/filter holder, spring filter &
ceramic paper filter (L)] ................ 1
Spring filter ......................................................3
Ceramic paper filter (S)................................... 2
Ceramic paper filter (L) ...................................4
Station
Cleaning pin for ø1.0 mm (0.04 in.) nozzle ..... 1
Cleaning pin for heating element .................... 1
Iron holder ....................................................... 1
Instruction manual .......................................... 1
Control card .................................................... 1
Card chain ....................................................... 1
Iron holder
Desoldering iron (Hakko 807)
Control card/Card chain
Cleaning pin for heating element
Filter pipe
Cleaning pin for ø1.0 mm (0.04 in.) nozzle
SPECIFICATIONS
Station
Power consumption
Vacuum pressure
Suction flow
Nozzle to ground potential
Nozzle to ground resistance
Outer dimensions (l × w × h)
Weight (w/o cord)
Hakko 472D
120V AC, 110W
80 KPa (600 mmHg)(24 in.Hg)
15 liters/min
Under 2 m V
Under 2 Ω
263 × 160 × 148 mm
(10.4 × 6.3 × 5.8 in.)
4.6 kg (10.14 lb.)
Spring filter
Ceramic paper filter (S)
Ceramic paper filter (L)
Desoldering iron
Power consumption
Temperature range
Total length (w/o cord)
Weight (w/o cord)
Hakko 807
24V AC, 60W
350-450°C (662-842°F)
205 mm (8.07 in.)
Aprox.160 g (0.35 lb.)
1
WARNINGS, CAUTIONS, NOTES AND EXAMPLES
Warnings, cautions and notes are placed at critical points in this manual to direct the
operator’s attention to significant items. They are defined as follows:
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.
NOTE: A NOTE indicates a procedure or point that is important to the process being
described.
EXAMPLE: An EXAMPLE is give to demonstrate a particular procedure, point or
process.
CAUTION
Remove the pump securing screws (M4×25 marked red) from the bottom of the station.
Failure to do so may result in serious problems.
Be sure to save this screw.
When the power is on, the nozzle temperature will be between 350°C/662°F and 450°C/
842°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 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 temperature
and should be considered potentially dangerous.
● Turn the power off when no longer using the Hakko 472D or leaving it unattended.
● Before replacing parts or storing the unit, turn the power off and allow the unit to cool
to room temperature.
To prevent accidents and failures, be sure to take the following precautions:
● Do not use the unit for applications other than desoldering.
● Do not rap the desoldering iron 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 with wet hands.
● Set the ceramic paper filter (S) for the filter retainer (station), and the ceramic paper
filter (L) for the filter pipe (Iron).
● Maintain the desoldering gun and the station.
● While using the unit, don’t do anything which may cause bodily harm or physical
damage.
2
PART NAMES
● Station
Control card slot
Iron holder
Vacuum outlet cap
Temperature display
UP
DOWN
VACUUM
Heater lamp
IRON
Receptacle
POWER
CAL POT
Membrane sheet
CAL
Power switch
Fuse holder
Control card
Power cord
● Desoldering iron
Nozzle
Heating element
(Inside pipe)
Button
Filter pipe
(Inside housing)
Cord assembly
Hose
Back holder
3
OPERATION
● Attach the iron holder.
Remove the iron holder mounting screws
from the side of the station.
Attach the iron holder to the station.
(Figure 1)
(The iron holder can be installed on the either
the left or right side.)
● Attach the desoldering iron.
1. Insert the filter pipe (with a filter holder,
spring filter and ceramic paper filter (L))
into the housing.
Push and turn the back holder clockwise.
(Figure 2)
(Figure 1)
2. Connect the cord assembly of the Hakko
807 to the receptacle. (Figure 3)
3. Connect the hose to the vacuum outlet
cap. (Figure 4)
4. Set the iron in the iron holder. (Figure 5)
5. Plug the power cord into the power supply
and turn the power switch to ON ( ).
CAUTION:
Be sure the power switch is OFF ( ) before
connecting the desoldering iron cord. Failure to do
so may result in damage to circuit board.
● Desoldering
1. Set the temperature.
(Refer to P.6)
VACUUM
Attach the hose securely
over the vacuum outlet
cap.
(Figure 4)
(Figure 2 )
Insert the cord
assembly by keying
the plug to the key
on the receptacle.
Secure the plug by
turning it clockwise.
(Figure 3)
NOTE:
Always set the temperature as low as possible for the
work being done.
The temperature can be adjusted between 350 –
450°C (662 – 842°F).
CAUTION
When not in use, place the iron
on the iron holder.
(Figure 5 ) Top view
4
OPERATION
2. Clean the tip of the nozzle.
Keep the tinned section of the nozzle
clean and shiny by coating it with a small
amount of solder.
If the tip of the nozzle is coated with oxide,
the nozzle’s heat conductivity will be
lowered. Coating the tip with a small
amount of fresh solder ensures maximum
heat conductivity.
NOTE:
The cleaner is not included.
3. Melt the solder.
• Apply the nozzle to the soldered part and
melt the solder.
NOTE:
Never allow the nozzle to touch the board itself.
• Confirm that the solder is melted.
NOTE:
• To confirm that all the 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.
• Never move the lead by force.
If it doesn’t move easily, the solder is not yet fully
melted.
Nozzle cleaner (Optional parts)
Wipe away any oxide or old solder
from the nozzle using the hole in
the center of the sponge.
Nozzle
P.W.B.
Solder
Lead
4. Extract the solder.
After confirming that the solder is
completely melted, extract the solder by
pushing the button on the iron.
NOTE:
Never leave any solder remaining inside the hole in
the P.W.B.
5. Problems during desoldering.
If solder remains, resolder the component
and repeat the desoldering process.
5
Slowly move the
lead with the nozzle.
Extract the solder by slowly
moving the lead back and
forth with the tip of the nozzle.
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