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The  heating  element  is  very  hot 
during  operation. 

CAUTION

·If the cleaning pin cannot pass 
 through the hole, replace the 
 heating element.  
·Turn the power off after 
 cleaning.

CAUTION

The filter pipe is very hot.

CAUTION

@Disassemble the heating 

    element.

@Replace the filters.

·Turn the power switch OFF. 
·When the filter pipe is cool to 
 the  touch,  push  down  the 
 release knob at the back of 
 the gun and remove the filter 
 pipe.

@Clean out the hole in the 

    heating element with the 
    provided cleaning pin. 

Be sure the solder in the hole in the 
heating element is completely heated, 
before cleaning the hole.  

·Examine the front holder. 

·Examine the spring filter.

·Examine the ceramic paper 
 filter (L). (No. A1033)

Replace
Stiff and cracked.

Replace
Solder is collected in two-thirds of the spring filter.

Replace
Ceramic paper filter is stiff with flux and solder.

13

Heating Element 

Element Cover 

Remove the nut with the attached spanner.

Nozzle

Nut

Scrape away all oxidation from the hole in the heating element until 
the cleaning pin passes cleanly through the hole.

The cleaning pin passes cleanly 
and completely through the hole.

Front Holder

Spring Filter 

Ceramic Paper
Filter (L)

(No. A1033)

Summary of Contents for 470B

Page 1: ...anual in a safe easily accessible place for future reference Packing List Precautions Part Names Operation Maintenance Replacement Parts Parts List Specifications Wiring Desoldering Gun Station Prepar...

Page 2: ...ase Desoldering Gun 1 Packing List Please check to make sure that all the items listed below are included in the Hakko 470B package Station Desoldering Gun Iron Holder Base Spring Iron Holder Cleaning...

Page 3: ...precautions 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 shoc...

Page 4: ...heat for melting solder Entrance for melted solder Expendable part Filter Pipe Set the ceramic paper filter L No A1033 Contains melted solder and flux using filters Filter are expendable parts Back Ho...

Page 5: ...e 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 Receptacle...

Page 6: ...ing Iron Holder No B1094 Cleaning Pin Holder No B1095 Securely insert the cleaning pin holder Cleaning Sponge Iron Holder Base Tube red Preparation Assembly and Connection Assemble the Hakko 470B on a...

Page 7: ...element broken Secure the plug by turning it clockwise Fully insert the hose into the vacuum outlet cap Insert the cord assembly by keying the plug to the key on the receptacle The power lamp lights u...

Page 8: ...ll amount of solder We recommend the Hakko 191 thermometer or Hakko 192 soldering tester for measuring the nozzle tem perature If the tip of the nozzle is coated with oxide the nozzle s heat conductiv...

Page 9: ...in the P W B CAUTION Absorb the solder by slowly moving the lead back and forth with the tip of the nozzle Slowly move the lead with the nozzle Nozzle P W B Solder Lead Apply the nozzle to the soldere...

Page 10: ...ator 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...

Page 11: ...d large scale transformer terminals Use a preheating oven or heating gun to heat the P W B to a temperature that won t damage the board or its compo nents between 70 C 160 F and 80 C 180 F then desol...

Page 12: ...de of the gun short circuited Pump does not operate Is the cord assembly properly connected Reconnect the cord assembly refer to p 6 Is the nozzle or hole in the heating element clogged Clean it refer...

Page 13: ...ter of hole is widened through erosion Note CAUTION Please use the proper sized cleaning pin or cleaning drill for the nozzle diameter If the cleaning drill is forced into the nozzle the drill bit cou...

Page 14: ...ng pin Be sure the solder in the hole in the heating element is completely heated before cleaning the hole Examine the front holder Examine the spring filter Examine the ceramic paper filter L No A103...

Page 15: ...mperature will drop CAUTION Attach the spring filter to the front holder Attach the front holder to the filter pipe Secure the filters Assemble the heating element Attach the nozzle and securely tight...

Page 16: ...ce the ceramic paper filter No A1009 Reassemble the filter case Remove the ceramic paper filter and inspect it If it is stiff with flux replace it Ceramic Paper Filter S No A1009 Remove the filter ret...

Page 17: ...If the valve plate is bent or stiff replace it If the exhaust filter is dirty replace it Cleaning the Pump Disassemble the pump heads Clean the pump head Remove the valve plate and fixing plate Remove...

Page 18: ...ts Separate the housing Detach the terminal and remove the heating element 17 Replacement Parts Glass Tube Detach the terminal The resistance value of a working heating element is 2 4 at 23 C 73 F If...

Page 19: ...d reassemble Heating element 24V 50W Recalibrate the tempera ture The resistance of new heating element varies resulting in variations in operating tem peratures It is necessary to recalibrate the tem...

Page 20: ...ote Spare or repair parts do not include mounting screws if they are not listed on the description Screws must be ordered separately Pan Head Screw with Washer M 3 x 6 2 B2068 Power Cord 3 Core Americ...

Page 21: ...Name Description B1471 Cord Assembly With Micro Switch Plug B1024 Cord Holder set of 4 B1022 Cord Stopper B1026 Micro Switch B1021 Trigger A1029 Heating Element 24V 50W A1003 Nozzle S 1 0 0 04 in B101...

Page 22: ...ning Drill for 0 8 mm 0 03 in Nozzle Cleaning Drill for 1 0 mm 0 04 in Nozzle Cleaning Drill for 1 3 mm 0 05 in Nozzle Cleaning Drill for 1 6 mm 0 06 in Nozzle B1087 B1088 B1089 B1302 B1303 B1304 B130...

Page 23: ...WA KU OSAKA 556 0024 JAPAN TEL 81 6 6561 3225 FAX 81 6 6561 8466 OVERSEAS AFFILIATES U S A AMERICAN HAKKO PRODUCTS INC 25072 ANZA DR SANTA CLARITA CA 91355 U S A TEL 805 294 0090 FAX 805 294 0096 Toll...

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