Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FOR ENGINEpowered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Opera...
Page 3 - ii
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC FUMES AND GASEScan be dangerous. 5.a. Welding may produce fumes and gases hazardous to health. Avoid breathing thesef u m e s a n d g a s e s . W h e n w e l d i n g , k e e pyour head out of the fume. Use enoughvent...
Page 4 - iii
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC CYLINDER may explodeif damaged. 7.a. U s e o n l y c o m p r e s s e d g a s c y l i n d e r s containing the correct shielding gas for thep r o c e s s u s e d a n d p r o p e r l y o p e r a t i n gr e g u l a t o ...
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC iv SAFETY iv PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté specifiques qui parraissent d a n s c e m a n u e l a u s s i b i e n q u e l e ...
Page 6 - MASTER TABLE OF CONTENTS FOR ALL SECTIONS; Page
v v DH-10 MASTER TABLE OF CONTENTS FOR ALL SECTIONS Page Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i-iv Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section A Te...
Page 7 - INSTALLATION; TABLE OF CONTENTS
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SECTION A-1 INSTALLATION DH-10 SECTION A-1 TABLE OF CONTENTS -INSTALLATION SECTION- Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 8 - TECHNICAL SPECIFICATIONS – DH-10 Complete Units or Controls & Heads; assemblies. The description of the various components follow:
A-2 INSTALLATION DH-10 A-2 TECHNICAL SPECIFICATIONS – DH-10 Complete Units or Controls & Heads WIRE DRIVE HEADS (BOOM MOUNT)• SPEC.# TYPE LOW SPEED RATIO HIGH SPEED RATIO Wire Size Wire Size Speed Solid Cored Speed Solid Cored K1497-1¤ DH-10 35 - 500 IPM .025 - 3/32 in. .030 - .120 in. 50 - 750 ...
Page 9 - GENERAL DESCRIPTION; AVAILABLE MODELS
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A-3 INSTALLATION DH-10 A-3 GENERAL DESCRIPTION The DH-10 is a modular line of 42 VAC input dualhead 4-roll wire feeders. A singl...
Page 10 - SAFETY PRECAUTIONS; ELECTRIC SHOCK can kill.; • Turn the input power off at the power
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A-4 INSTALLATION DH-10 A-4 SAFETY PRECAUTIONS INSTALLATION OF THE DH-10BOOM MOUNT WIRE FEEDERCOMPONENTS Mounting the DH Double H...
Page 11 - Connecting Wire Drive Unit to Control Box; Specifications in the front of; Control Speed Range Setting; Operation, Setting the DIP
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A-5 INSTALLATION DH-10 A-5 Connecting Wire Drive Unit to Control Box One head to control cable assembly is required for eachhead...
Page 12 - WIRE FEED DRIVE ROLL KITS; Specifications in the front of this
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A-6 INSTALLATION DH-10 A-6 To remove feedplate: a. Loosen the clamping collar screw using a 3/16 in. Allen wrench. The clamping ...
Page 13 - GMAW Guns
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Single Drive 4-Roll Kits (KP655 and KP656) 1. Turn OFF welding power source. 2. Release both quick release levers by sliding the...
Page 14 - Check that the drive rolls and guide tubes are; Wire Drive; Lay the cable out straight. Insert the connector; Check that the drive rolls, feeder guide tubes and; Wire Drive Roll Kits in this section.; Connect gun to gun connector making sure all; DH Double Head Drives:; : M u s t h a v e a
A-8 INSTALLATION DH-10 A-8 Gun Cable Connection with StandardConnection 1. Check that the drive rolls and guide tubes are p r o p e r f o r t h e e l e c t r o d e s i z e a n d t y p e b e i n gused. If necessary, change them per Wire Drive Roll Kits in this section. 2. Lay the cable out straight. ...
Page 15 - GMAW Shielding Gas; CYLINDER may explode if damaged.; Available Cable Assemblies:
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A-9 INSTALLATION DH-10 A-9 GMAW Shielding Gas The customer must provide a cylinder of shieldinggas, a pressure regulator, a flow...
Page 17 - Adapts DH heads for desired gun connection
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC A-11 INSTALLATION DH-10 A-11 Magnum conduit to go between the reel cover and thefeedplate. Gun Adapters (For DH Wire Drive Heads...
Page 19 - OPERATION; Return to Master TOC
SECTION B-1 OPERATION SECTION B-1 DH-10 TABLE OF CONTENTS -OPERATION SECTION- Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section B Safety Precautions . . . . . . . . . . . . . . . . . . ....
Page 20 - Setting the DIP Switches; Setup DIP Switch Access
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F o r K 1 4 9 7 - 2 ( D H - 1 0 B o o m ) o r K 1 4 9 9 - 2 ( D H - 1 0Bench) with Left Head 35-500 IPM (0.89-12.7 m/m)& R i...
Page 21 - Welding Power Source Selection
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-3 OPERATION B-3 DH-10 SINGLE HEADS: For K1563-1 (LN-10 Boom) with 35-500 IPM (0.89-12.7 m/m) Low Speed Ratio set S2 DIP Switch...
Page 22 - -Step Trigger Mode Operation Selection
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Pulse Power 500: V300 PRO: Other Power Source Independent: Set the DIP switches as shown for all other powersources which can be...
Page 23 - Opening Trigger initiates gas preflow timer fol-; Low Security Mode Selection; Security Modes in this section) by setting S1; Keypad and Display Description; KEYPAD AND DISPLAY OPERATION
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-5 OPERATION B-5 S1 switch 7 ON = 4-Step without current interlockoperation: 1. Closing Trigger initiates gas flow. 2. Opening ...
Page 24 - Operation Keys; Trigger closure energizes the solenoid valve, then; - S t e p T r i g g e r M o d e
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-6 OPERATION B-6 Dual procedure settings, including; trigger mode, coldfeed speed, Run-in and weld speed and voltage,timers and...
Page 25 - Display Control Keys
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-7 OPERATION B-7 Display Control Keys Timer Select key - enables operator tochoose burnback, spot or gas timers, asi n d i c a ...
Page 26 - Security Modes
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-8 OPERATION B-8 T o c h a n g e a c c e l e r a t i o n h o l d t h e G a s P u r g e K e yclosed, then press the Control key....
Page 27 - CAUTION
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-9 OPERATION B-9 C h e c k t o b e s u r e t h e R e t a i n i n g S p r i n g h a s f u l l yreturned to the locking position ...
Page 28 - DRIVE ROLL PRESSURE SETTING; Trigger Mode Selection in
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-10 OPERATION B-10 FEEDING ELECTRODE AND BRAKEADJUSTMENT 1. Turn the Reel or spool until the free end of the electrode is acces...
Page 30 - GROUNDING LEAD PROTECTOR
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-12 OPERATION B-12 GROUNDING LEAD PROTECTOR The frame of the DH-10 Control is grounded to theframe of the power source by a lea...
Page 31 - ACCESSORIES
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SECTION C-1 ACCESSORIES SECTION C-1 DH-10 TABLE OF CONTENTS -ACCESSORIES SECTION- Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 32 - GENERAL
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC KP1505 Series DRIVE ROLL AND GUIDE TUBE KITS KP1507 Series DRIVE ROLL AND GUIDE TUBE KITS KP655 Series DRIVE ROLL AND GUIDE TUBE...
Page 33 - DRIVE ROLL AND GUIDE TUBE KITS
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC DRIVE ROLL AND GUIDE TUBE KITS Table C.2 gives a listing of all of the Drive Roll andGuide Tube Kits that are available for the ...
Page 34 - K683-1 DUAL PROCEDURE SWITCH; SPINDLE ADAPTERS; Coil Adapters; INPUT CABLE ASSEMBLIES; ) electrode cable with; K590-4 WATER CONNECTION KIT; and Argon blend gases.; K1449-1 DUAL PROCEDURE REMOTE CONTROL
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC C-4 ACCESSORIES C-4 K1450-“L” - Extension cables are available in lengths“L” of 12, 16 or 25 ft (3.6, 4.9 or 7.6 m) to match the...
Page 35 - Adapts DH heads for desired gun connection:; GUN AND CABLE ASSEMBLIES; Return to Section TOC
C-5 ACCESSORIES C-5 Readi-Reel Adapters K363P - Adapts Lincoln Readi-Reel coils of electrode30 lb (14 kg) and 22 lb (10 kg) to a 2 in. (51 mm) spin-dle. Durable molded plastic one piece construction.Designed for easy loading; adapter remains on spin-dle for quick changeover. K438 - Adapts Lincoln Re...
Page 37 - MAINTENANCE
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SECTION D-1 MAINTENANCE SECTION D-1 DH-10 TABLE OF CONTENTS -MAINTENANCE SECTION- Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 38 - Procedure to Install Drive Roll and Guide; ROUTINE MAINTENANCE; Drive Rolls and Guide Tubes
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SAFETY PRECAUTIONS Observe all additional Safety Guidelines detailedthroughout this manual. D-2 MAINTENANCE D-2 DH-10 of teeth s...
Page 39 - PERIODIC MAINTENANCE; Wire Drive Motor and Gearbox; See appropriate Operator’s Manual.
D-3 MAINTENANCE D-3 PERIODIC MAINTENANCE Wire Drive Motor and Gearbox Every year inspect the gearbox and coat the gearteeth with a moly-disulfide filled grease. Do not usegraphite grease. Every six months check the motor brushes. Replacethem if they are less than 1/4 in. long. Gun and Cable Maintena...
Page 41 - THEORY OF OPERATION
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC SECTION E-1 THEORY OF OPERATION DH-10 SECTION E-1 TABLE OF CONTENTS -THEORY OF OPERATION SECTION- Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 42 - CONTROL BOARD
E-2 THEORY OF OPERATION DH-10 E-2 GENERAL DESCRIPTION The DH-10 is a 42 VAC, dual head, 4-roll wire feeder.A single control for each head is utilized, with dualprocedure presettablility of wire feed speed and arcvoltage. The DH-10 models have controls providingkeypad or remote selectability of wire ...
Page 45 - TROUBLESHOOTING AND REPAIR
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-1 TROUBLESHOOTING AND REPAIR F-1 DH-10 TABLE OF CONTENTS -TROUBLESHOOTING AND REPAIR SECTION- Troubleshooting and Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 46 - HOW TO USE TROUBLESHOOTING GUIDE
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC DH-10 F-2 TROUBLESHOOTING AND REPAIR F-2 This Troubleshooting Guide is provided tohelp you locate and repair possible machinemal...
Page 47 - Determine to the best of your technical; PC BOARD TROUBLESHOOTING PROCEDURES
F-3 TROUBLESHOOTING AND REPAIR F-3 ELECTRIC SHOCKcan kill. Have an electrician installand service this equipment.Turn the input power OFFa t t h e f u s e b o x b e f o r eworking on equipment. Don o t t o u c h e l e c t r i c a l l y h o tparts. ------------------------------------------------- So...
Page 48 - Test the machine to determine if the fail-
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-4 TROUBLESHOOTING AND REPAIR F-4 4. Test the machine to determine if the fail- ure symptom has been corrected by thereplacemen...
Page 49 - TROUBLESHOOTING GUIDE; Wire Drive Motor; FUNCTION PROBLEMS
F-5 TROUBLESHOOTING AND REPAIR F-5 DH-10 TROUBLESHOOTING GUIDE Observe all Safety Guidelines detailed throughout this manual. PROBLEMS(SYMPTOMS) POSSIBLE AREAS OFMISADJUSTMENT(S) RECOMMENDEDCOURSE OF ACTION Neither drive motor turns when thegun triggers are activated. The dis-plays are lit and the c...
Page 50 - Tach Adjustment
F-6 TROUBLESHOOTING AND REPAIR F-6 DH-10 Observe all Safety Guidelines detailed throughout this manual. PROBLEMS(SYMPTOMS) POSSIBLE AREAS OFMISADJUSTMENT(S) RECOMMENDEDCOURSE OF ACTION No control of wire feed speed onboth sides. Both motors run, bothsolenoids operate and arc voltageis present. The W...
Page 51 - W e l d i n g
F-7 TROUBLESHOOTING AND REPAIR F-7 DH-10 Observe all Safety Guidelines detailed throughout this manual. PROBLEMS(SYMPTOMS) POSSIBLE AREAS OFMISADJUSTMENT(S) RECOMMENDEDCOURSE OF ACTION T h e w i r e f e e d s p e e d d o e s n o tc h a n g e w h e n w e l d i n g c u r r e n t i sestablished. The vo...
Page 52 - K e y p a d R e s i s -
F-8 TROUBLESHOOTING AND REPAIR F-8 DH-10 Observe all Safety Guidelines detailed throughout this manual. PROBLEMS(SYMPTOMS) POSSIBLE AREAS OFMISADJUSTMENT(S) RECOMMENDEDCOURSE OF ACTION The “Cold Feed Forward” and/orthe “Cold Feed Reverse” buttonsd o n o t f u n c t i o n p r o p e r l y . B o t hmot...
Page 56 - G a s S o l e n o i d
F-12 TROUBLESHOOTING AND REPAIR F-12 DH-10 Observe all Safety Guidelines detailed throughout this manual. PROBLEMS(SYMPTOMS) POSSIBLE AREAS OFMISADJUSTMENT(S) RECOMMENDEDCOURSE OF ACTION An “Er” message is displayed whenthe DH-10 is powered up. A “GLP” message is displayed. When the gun trigger is a...
Page 58 - w i r e; FEEDING PROBLEMS
F-14 TROUBLESHOOTING AND REPAIR F-14 DH-10 Observe all Safety Guidelines detailed throughout this manual. PROBLEMS(SYMPTOMS) POSSIBLE AREAS OFMISADJUSTMENT(S) RECOMMENDEDCOURSE OF ACTION The wire is feeding rough or notf e e d i n g , b u t t h e d r i v e r o l l s a r eturning. The contact tip sei...
Page 59 - WELDING PROBLEMS
F-15 TROUBLESHOOTING AND REPAIR F-15 DH-10 Observe all Safety Guidelines detailed throughout this manual. PROBLEMS(SYMPTOMS) POSSIBLE AREAS OFMISADJUSTMENT(S) RECOMMENDEDCOURSE OF ACTION T h e w e l d i n g a r c i s v a r i a b l e o r“hunting”. Poor arc striking with sticking or“blast-offs”. The b...
Page 60 - NOTES
F-16 NOTES DH-10 F-16 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master T...
Page 61 - WIRE DRIVE MOTOR TEST
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC WIRE DRIVE MOTOR TEST Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized rep...
Page 62 - If the correct voltages are NOT present; Wire; TEST PROCEDURE; Locate the motor armature leads for the; LEAD; DRIVE
F-18 TROUBLESHOOTING AND REPAIR F-18 DH-10 5. If the correct voltages are NOT present at the armature motor leads, check theassociated leads and plugs for loose orf a u l t y c o n n e c t i o n s . S e e t h e W i r i n gDiagram. If the leads and connectionsa r e O K , t h e c o n t r o l b o a r d...
Page 63 - TACH ADJUSTMENT AND FEEDBACK TEST; TEST DESCRIPTION
F-19 TROUBLESHOOTING AND REPAIR F-19 TACH ADJUSTMENT AND FEEDBACK TEST Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate your facto...
Page 64 - Activate the gun trigger. Make sure the; T a c h; Check for approximately 12 VDC from; HALL EFFECT
F-20 TROUBLESHOOTING AND REPAIR F-20 DH-10 the control board or associated leads orplugs may be faulty. See the WiringDiagram. 6. Activate the gun trigger. Make sure the motor is running. Check for the pres-ence of approximately 5.0 VDC fromblue lead #555 (+) to black lead #500(-). The 5.0 VDC repre...
Page 65 - Gently screw the hall effect module into
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-21 TROUBLESHOOTING AND REPAIR F-21 DH-10 3. Using the 9/16 in. wrench loosen the locking nut. 4. Gently screw the hall effect ...
Page 66 - TES
F-22 NO TES DH-10 F-22 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC
Page 67 - KEYPAD RESISTANCE TEST; This test will determine if any key is not functioning properly.; MATERIALS NEEDED
F-23 TROUBLESHOOTING AND REPAIR F-23 KEYPAD RESISTANCE TEST Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate your factory war-rant...
Page 68 - Display Board Removal; DISPLAY
F-24 TROUBLESHOOTING AND REPAIR F-24 DH-10 6. Check the keypad resistances referenc- ing Figure F.3 and Table F.1. 7. The resistances are checked at plug J10 on the keypad. See Figure F.3. 8. If any of the resistances are not correct, the keypad may be faulty. 9. When test is complete, carefully ins...
Page 71 - ENCODER PC BOARD TEST
F-27 TROUBLESHOOTING AND REPAIR F-27 ENCODER PC BOARD TEST Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate your factory war-ranty...
Page 72 - While slowly rotating the Volts control; Carefully check or the presence of 5; ENCODER
F-28 TROUBLESHOOTING AND REPAIR F-28 DH-10 7. While slowly rotating the Volts control check for a “pulsing” 0 to 5 VDC signalf r o m 8 J 2 ( l e a d # 5 1 6 ) t o 6 J 2 ( l e a d#517). If the 5 VDC supply IS presentat the encoder board and the pulsingsignal is NOT, the Volts encoder boardmay be faul...
Page 73 - GAS SOLENOID TEST
F-29 TROUBLESHOOTING AND REPAIR F-29 GAS SOLENOID TEST Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate your factory war-ranty. Fo...
Page 74 - If the 10 VDC is missing or low, check; L o c a t e t h e g a s s o l e n o i d s a n d l e a d; GAS SOLENOID; NOTE: WIRE FEEDER SHOWN; GAS
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-30 TROUBLESHOOTING AND REPAIR F-30 DH-10 6. If the 10 VDC is missing or low, check the leads and connections between thesoleno...
Page 75 - DISPLAY PC BOARD REMOVAL AND REPLACEMENT; DESCRIPTION; COMPONENT REPLACEMENT PROCEDURES
F-31 TROUBLESHOOTING AND REPAIR F-31 DISPLAY PC BOARD REMOVAL AND REPLACEMENT Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate you...
Page 76 - REPLACEMENT PROCEDURE; FIGURE F.6 — DISPLAY PC BOARD REMOVAL AND REPLACEMENT.; DISPLAY PC BOARD REMOVAL AND REPLACEMENT; MOUNTING
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-32 TROUBLESHOOTING AND REPAIR F-32 DH-10 REPLACEMENT PROCEDURE 1. Install plug J10 into the new display board. 2. Mount the di...
Page 77 - GAS SOLENOID REMOVAL AND REPLACEMENT
F-33 TROUBLESHOOTING AND REPAIR F-33 GAS SOLENOID REMOVAL AND REPLACEMENT Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate your fa...
Page 78 - PROCEDURE; FIGURE F.7 — GAS SOLENOID REMOVAL AND REPLACEMENT.; NOTE: WIRE FEEDER SHOWN WITH; SOLENOIDS
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-34 TROUBLESHOOTING AND REPAIR F-34 DH-10 7. Remove the solenoid assembly from the DH-10 unit. 8. U s i n g t h e P h i l l i p...
Page 79 - ENCODER PC BOARD REMOVAL AND REPLACEMENT
F-35 TROUBLESHOOTING AND REPAIR F-35 ENCODER PC BOARD REMOVAL AND REPLACEMENT Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate you...
Page 80 - FIGURE F.8 — ENCODER PC BOARD REMOVAL AND REPLACEMENT.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-36 TROUBLESHOOTING AND REPAIR F-36 DH-10 6. Carefully remove the PC board from the front panel. 7. R e m o v e t h e h a r n e...
Page 81 - WIRE DRIVE MOTOR AND GEAR BOX REMOVAL AND REPLACEMENT
F-37 TROUBLESHOOTING AND REPAIR F-37 Service and repair should only be performed by Lincoln Electric factory trainedpersonnel. Unauthorized repairs performed on this equipment may result in dan-ger to the technician or machine operator and will invalidate your factory war-ranty. For your safety and ...
Page 82 - Remove the electrode wire from the; FIGURE F.9 — WIRE FEED ASSEMBLY REMOVAL.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-38 TROUBLESHOOTING AND REPAIR F-38 DH-10 7. Disconnect the motor armature leads. 8. Remove any necessary cable ties. 9. Using ...
Page 83 - C a r e f u l l y s l i d e a n d r e m o v e t h e w i r e; FIGURE F.10 — DRIVE MOTOR AND WIRE DRIVE ASSEMBLY REMOVAL.
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-39 TROUBLESHOOTING AND REPAIR F-39 DH-10 TO REMOVE THE WIRE DRIVEASSEMBLY FROM THE GEARBOX: 16. Using the 3/16 in. Allen wrenc...
Page 84 - REPLACEMENT PROCEDURES
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-40 TROUBLESHOOTING AND REPAIR F-40 DH-10 8. P l a c e t h e e n t i r e a s s e m b l y i n t o t h e DH-10 unit. Align the mo...
Page 85 - P r e s s t h e T r i g g e r k e y . T h e L E D s; RETEST AFTER REPAIR
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC F-41 TROUBLESHOOTING AND REPAIR F-41 DH-10 Check the Feeder selection and Procedurekeys for proper operation. 1. P r e s s t h e...
Page 87 - SVM ERROR REPORTING FORM; Please give detailed description below:
SVM ERROR REPORTING FORM We need to know if there are errors in our manuals. We also value any suggestions as to addi-tional tests or procedures that would make this SVM a better tool for you. If you discover new or different “Problems or Symptoms” that are not covered in the three col-umn troublesh...
Page 89 - ELECTRICAL DIAGRAMS; C O N T R O L P . C B O A R D; sure panels of your machine.
G-2 ELECTRICAL DIAGRAMS DH-10 Wiring Diagram (Control) (L10218) T O S O L E N O I DT O D U A L P R O C E D U R E S W I T C H T O S O L E N O I D T O D U A L P R O C E D U R E S W I T C H T O M O T O R T A C H O M E T E R T O M O T O R R I G H T W I R E D R I V E R E C E P T A C L E 561(L) 512(L) T O...
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ELECTRICAL DIAGRAMS G-10 G-10 DH-10 Retur n to Section TOC Retur n to Section TOC Retur n to Section TOC Retur n to Section TOC Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC Retur n to Master TOC Encoder Board Layout (M17797-1) NOTE: Lincoln Electric assumes no responsibility for...
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