Hakko Electronics 937 Instruction Manual
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Hakko Electronics 937 Instruction Manual

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Instruction Manual
Thank you for purchasing the HAKKO 937 soldering station.
Please read this manual before operating the HAKKO 937.
When seeking tip replacements, select only "Hakko" genuine soldering iron tips
that are intended for your particular model of soldering iron (Please refer to the
instruction manual). If an incompatible tip or a tip made by another manufacturer
is used, the original performance of the soldering iron may not be obtained.
Furthermore, the heating element, P.W.B. and transformer may be damaged.
1. PACKING LIST ........................................................................... 1
2. SPECIFICATIONS ...................................................................... 1
3. WARNINGS AND CAUTIONS .................................................... 2
4. PART NAMES ............................................................................. 3
5. SETTING UP & OPERATING THE HAKKO 937 ........................ 3
6. PARAMETERS ........................................................................... 6
7. CALIBRATION OF IRON TEMPERATURE ................................ 7
8. CALIBRATION CHART .............................................................. 8
9. TIP CARE AND USE .................................................................. 9
10. MAINTENANCE ......................................................................... 9
11. TIP STYLES .............................................................................. 10
12. ERROR MESSAGES ................................................................ 11
13. TROUBLESHOOTING GUIDE .................................................. 12
15. PARTS LIST (Station/Iron Holder) ............................................ 16
16. WIRING DIAGRAM ................................................................... 18
SOLDERING STATION
Keep this manual readily accessible for reference.

TABLE OF CONTENTS

(Iron) .................................................................... 17
CAUTION

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Summary of Contents for Hakko Electronics 937

  • Page 1: Table Of Contents

    2. SPECIFICATIONS ..............1 3. WARNINGS AND CAUTIONS ............ 2 4. PART NAMES ................3 5. SETTING UP & OPERATING THE HAKKO 937 ......3 6. PARAMETERS ................6 7. CALIBRATION OF IRON TEMPERATURE ........ 7 8. CALIBRATION CHART .............. 8 9.

  • Page 2: Packing List

    Please check the contents of the HAKKO 937 package and 1. PACKING LIST confirm that all the items listed below are included. HAKKO 937 Station ..........1 Card ................ 1 Soldering Iron (HAKKO 900 (S), 907 or 908) ..1 HAKKO Iron Holder (With Cleaning Sponge) ..

  • Page 3: Warnings And Cautions

    3. WARNINGS AND CAUTIONS 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: Part Names

    CAL pot plug/calibrator Power switch 5. SETTING UP & OPERATING THE HAKKO 937 CAUTION : The sponge is compressed. It will swell when moistened with water. Before using the unit, dampen the sponge with the water and squeeze it dry.
  • Page 5 4. Turn the power switch to ON. NOTE: The temperature is preset at 400°C at the factory. (The No.937-4, -5, and -6, are preset at 750°F.) The heater lamp will flicker when the temperature has stabilized. 5. Press to display the preset temperature.
  • Page 6 Thus, the power can be turned off and on without having to reset the temperature each time, and accurate and safe temperature control is assured. 2. Any HAKKO 937 card can be used with any HAKKO 937 station. 3. The HAKKO 937 will operate normally with a card inserted.

  • Page 7: Parameters

    6. PARAMETERS The HAKKO 937 has three user-adjustable or viewable parameters: a) Temperature display mode (Centigrade or Fahrenheit), b) Heater-error temperature tolerance, and c) Room temperature compensation value (test mode). Once parameter-input mode is entered, these parameters are set in the order shown. Once all three parameters have been set, normal operation is resumed.

  • Page 8: Calibration Of Iron Temperature

    Note: Turn the screw clockwise to increase the temperature and counterclockwise to reduce the temperature. 4. Reattach the CAL pot plug. Calibration with a room 1. Allow the HAKKO 937 to cool to room temperature. (approx. 1 hour) thermometer (test mode) 2. Press and hold down the buttons simultaneously, and turn the power switch on.

  • Page 9: Calibration Chart

    8. CALIBRATION CHART Example: To calibrate the 900M-T-LB tip at a room temperature of 22°C (70°F), adjust the CAL potentiometer until the digital display reads 20 (66). ° ° Room temperature: ... 22 C (70 ° ° Compensation value: ..-2 C (-4 °...

  • Page 10: Tip Care And Use

    9. TIP CARE AND USE Tip temperature High soldering temperatures can degrade the tip. Use the lowest possible soldering temperature. The excellent thermal recovery characteristics ensure efficient and effective soldering even at low temperatures. Low temperatures also protect the soldered items from thermal damage.

  • Page 11: Tip Styles

    11. TIP STYLES 900M-T-0.8D 900M-T-K 900M-T-LB R0.2(0.008) 45¡ 25(0.98) 15(0.6) 17(0.66) 2(0.08) 0.6(0.024) 900M-T-R 900M-T-0.5C 900M-T-1.2D (0.08) 45¡ 17(0.66) 17(0.66) 15(0.6) 0.7(0.028) 900M-T-1.6D 900M-T-0.8C 900M-T-RT (0.08) (0.1) 45¡ 17(0.66) 17(0.66) 17(0.66) 0.5(0.02) 900M-T-SI 900M-T-2.4D 900M-T-1C R0.2(0.008) (0.2) 60¡ 15(0.6) 13(0.51) 17(0.66) 900M-T-1CF* 0.5(0.02)

  • Page 12: Error Messages

    12. ERROR MESSAGES The HAKKO 937 displays various error messages whenever there is a problem. If the following messages are displayed, refer to the Troubleshooting Guide on page 12. System error When the power is turned on, the system automatically checks its memory and the stored programmed.

  • Page 13: Troubleshooting Guide

    13. TROUBLESHOOTING GUIDE WARNING : * Disconnect the power plug before servicing. Failure to do so may result in electric shock. * If the power cord is damaged, it must be replaced by the manufacturer, its service agent or similarity qualified person in order to avoid personal injury or damage to the unit.
  • Page 14 13. TROUBLESHOOTING GUIDE The tip temperature is too low. • Is the tip coated with oxide? Clean the tip. (See Tip care and use, pg. 9.) • Is the iron calibrated correctly? Recalibrate. (see Tip care and use, pg. 9.) Contact your nearest HAKKO representative.

  • Page 15: Checking For Breakage Of The Heating Element And Cord Assembly

    14. CHECKING FOR BREAKAGE OF THE HEATING ELEMENT AND CORD ASSEMBLY Disconnect the plug and measure Between pins 4&5 (Heating Element) 2.5 - 3.5 Ω (Normal) Between pins 1&2 (Sensor) 43 - 58 Ω (Normal) the resistance value between the Between pin 3&Tip Under 2 Ω...
  • Page 16 14. CHECKING FOR BREAKAGE OF THE HEATING ELEMENT AND CORD ASSEMBLY Disassembling the 900S 1. Slide the handle cover (2) toward the cord and remove the screw (1) securing the heating element. 2. Turn the nut (3) counterclockwise and remove it. 3.

  • Page 17: Parts List (Station/Iron Holder)

    15. PARTS LIST Station Tapping Screw M2.6 × 8 (1) Binding Head Tapping Screw M3.5 × 45 (4) Item No. Part No. Part Name Specifications B2034 Upper Case E.S.D. B2036 P.W.B. for temp. control B2322 P.W.B. for temp. control Australia B2035 Panel B2006...

  • Page 18: (Iron)

    15. PARTS LIST (Iron) 900S Item No. Part No. Part Name Specifications 900S-006S E.S.D. Soldering Tip See P.10 A1322 Heating Element Old part No.900S-H 900S-101 Terminal Board w/Cord Stopper 900S-001S Handle w/Handle Cover, E.S.D. 900S-034S Handle Cover E.S.D. 900S-010 Cord Bushing 900S-039S Cord Asse’y E.S.D.

  • Page 19: Wiring Diagram

    16. WIRING DIAGRAM Switching P.W.B. Power switch Control P.W.B. Transformer Ground...
  • Page 20 HEAD OFFICE TEL:+81-6-6561-3225 FAX:+81-6-6561-8466 http://www.hakko.com E-mail:sales@hakko.com OVERSEAS AFFILIATES U.S.A.: AMERICAN HAKKO PRODUCTS, INC. TEL: (661) 294-0090 FAX: (661) 294-0096 Toll Free (800)88-HAKKO 4 2 5 5 6 http://www.hakkousa.com HONG KONG: HAKKO DEVELOPMENT CO., LTD. TEL: 2811-5588 FAX: 2590-0217 http://www.hakko.com.hk E-mail:info@hakko.com.hk SINGAPORE: HAKKO PRODUCTS PTE., LTD.

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