Lincoln SP 170-I Page 31 Operator'S Manual Download

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E-2

TROUBLESHOOTING

SP 170-I

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS
(SYMPTOMS)

Major physical or electrical damage
is evident.

No wire feed, weld output or gas
flow when gun trigger is pulled. Fan
does NOT operate.

No wire feed, weld output or gas
flow when gun trigger is pulled Fan
operates normally.

POSSIBLE AREAS OF
MISADJUSTMENT(S)

None
Contact your local Authorized Field
Service Facility.

1. Make sure correct voltage is

applied to the machine. See
Installation section,

“

Electrical

Connections

”

2. Make certain that power switch

is in the ON position.

3. Make sure circuit breaker is

reset.

1. The thermostat may be tripped

due to overheating. Let machine
cool. Weld at lower duty cycle.

2. Check for obstructions in air

flow.

3. Check Gun Trigger connections.

See Installation section.

4. Gun trigger may be faulty.

RECOMMENDED
COURSE OF ACTION

Contact your local Lincoln
Authorized Field Service Facility.

OUTPUT PROBLEMS

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your

LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY

for assistance before you proceed.

CAUTION

Summary of Contents for SP 170-I

Page 1: ...FETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful For use with machine Code Numbers 10982 10983 Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World s Leader in Welding and Cutting Products Copyright 2004 Lincoln Global Inc This manual c...

Page 2: ...R WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of Safety in Welding Cutting ANSI Standard Z49 1 from the American Welding Society P O Box 351040 Miami Florida 33135 or CSA Standard W117 2 1974 A Free copy of Arc Welding Safety booklet E205 is availa...

Page 3: ...ical earth ground 3 f Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation 3 g Never dip the electrode in water for cooling 3 h Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders 3...

Page 4: ...event the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Refer to Safety in Weldin...

Page 5: ...s et non inflammables 4 Des gouttes de laitier en fusion sont émises de l arc de soudage Se protéger avec des vêtements de protection libres de l huile tels que les gants en cuir chemise épaisse pan talons sans revers et chaussures montantes 5 Toujours porter des lunettes de sécurité dans la zone de soudage Utiliser des lunettes avec écrans lateraux dans les zones où l on pique le laitier 6 Eloign...

Page 6: ...v SAFETY v ...

Page 7: ...vi SAFETY vi ...

Page 8: ...mation below for future reference This information can be found on your machine nameplate Product _________________________________________________________________________________ Model Number ___________________________________________________________________________ Code Number or Date Code_________________________________________________________________ Serial Number____________________________...

Page 9: ...perations B 3 Wire Loading B 3 Wire Threading B 4 Making a Weld B 5 Process Guidelines B 5 Chaning Over to Feed Other Wire Sizes B 6 Welding with GMAW B 6 Welding with FCAW B 6 Overload Protection B 6 Application Chart B 7 Accessories Section C Accessories C 1 Replacement Parts C 2 Maintenance Section D Safety Precautions D 1 Routine Maintenance D 1 Gun and Cable Maintenance D 2 Configuration of C...

Page 10: ... RATED 230V 50 60Hz 30 Super Lag 20 16 Amp 230V Two Prong International Cord Set Supplied TECHNICAL SPECIFICATIONS SP 170 I INPUT SINGLE PHASE ONLY RATED OUTPUT OUTPUT RECOMMENDED INPUT CABLE AND FUSE SIZES Height Width Depth Weight 12 0 in 9 75 in 16 5 in 57 Ibs 305 mm 248 mm 419 mm 25 9 kg PHYSICAL DIMENSIONS The SP170 I is designed for industrial and professional use in accordance with the stan...

Page 11: ...Hex key wrench for removal of drive roll 4 10 ft 3 0 m work cable 5 Work clamp 6 14 0 ft 4 3 m 19 4 8 mm dia gas hose 7 2 Hose clamps 8 Gas nozzle 1 The gun is ready to feed 035 0 9mm diameter ELECTRIC SHOCK can kill Only qualified personnel should perform this installation Only personnel that have read and under stood the SP 170 I Operating Manual should install and operate this equipment Machine...

Page 12: ...t be used for pipe thawing MIG welding and flux cored arc welding are the only processes supported by the SP 170 I The handle can not be used for transport by crane OUTPUT CONNECTIONS Refer to Figure A 2 1 Work Cable Access Hole 2 Gun Cable and Control Lead Access Hole 3 Connector Block 4 Gun Trigger Lead Connectors 5 Positive and negative output terminals 6 Wire Feed Gearbox Feedplate 7 Cable Han...

Page 13: ...trol Lead Access Slot A 2 2 in the case front The leads are to be routed up the inside of the case front behind the gas line 3 Insert the connector on the gun conductor cable through the Gun Cable Access Hole A 2 2 in the SP 170 I case front Make sure the connector is all the way in the brass connector block to obtain proper gas flow If the gun connector will not fully insert unscrew the thumbscre...

Page 14: ...he gas hose is not kinked or twisted Tighten the gas line hose clamp INPUT CONNECTIONS Refer to Figure A 6 FIGURE A 6 CYLINDER may explode if dam aged Keep cylinder upright and chained to support Keep cylinder away from areas where it may be damaged Never lift welder with cylinder attached Never allow welding electrode to touch cylinder Keep cylinder away from welding or other live electrical circ...

Page 15: ... HOT WIRES OF A THREE WIRE SINGLE PHASE SYSTEM OR TO ONE PHASE OF A TWO OR THREE PHASE SYSTEM This welding machine must be connected to a power source in accordance with applicable elec trical codes The National Electrical Code provides standards for amperage handling capability of supply con ductors based on duty cycle of the welding source If there is any question about the installation meeting ...

Page 16: ...dependability of both gas metal arc welding or GMAW also known as MIG welding and the Innershield process self shielded flux cored or FCAW A convenient chart is mounted inside the wire feed section door for setting welding procedures for 24 gauge 60 mm through 5 16 8 0 mm mild steel The machine is rugged and reliable and is designed for dependable service and long life RECOMMENDED PROCESSES The SP...

Page 17: ...ire feeder remain off until the gun trigger is pressed 2 Voltage Control A 5 position tap selector switch gives full range adjustment of power source output voltage Do not switch while welding 3 Wire Speed Control Controls the wire feed speed from 50 400 in min 1 3 10 2 m min The control can be preset on the dial to the setting specified on the SP 170 I Application Chart located on the inside of t...

Page 18: ... remove the outside plastic wire spool spin dle The spindle can be stored in the wire feed com partment A 4 100 mm diameter spool is mounted directly on the 5 8 16 mm diameter shaft and held in place with the previously removed hardware Also make certain the start end of the wire which may pro trude through the side of the spool does not contact any metallic case parts FIGURE B 3 Friction Brake Ad...

Page 19: ...ximately five full turns from where the wing nut first engages the threads of the pressure arm 1 If feeding problems occur because the wire is flattened excessively turn the pressure adjust ment counter clockwise to reduce distortion of the wire Slightly less pressure may be required when using 0 023 0 025 0 6 mm wire If the drive roll slips while feeding wire the pressure should be increased unti...

Page 20: ...d then pull the gun away from the work after the arc goes out FIGURE B 6 10 When no more welding is to be done close valve on gas cylinder if used momentarily operate gun trigger to release gas pressure and turn off the SP 170 I Cleaning Tip And Nozzle Clean the contact tip and nozzle to avoid arc bridging between the nozzle and contact tip which can result in a shorted nozzle poor welds and an ov...

Page 21: ...ive 15 20 cubic ft per hour CFH 7 10 I min use 20 25 CFH 10 12 I min when welding out of position or in a drafty location 3 Keep the cylinder valve closed except when using the SP 170 I When finished welding a Close the cylinder valve to stop gas flow b Depress the gun trigger briefly to release the pressure in the gas hose c Turn off the SP 170 I WELDING WITH FCAW Innershield When using the FCAW ...

Page 22: ... 1 6 mm 075 in 2 0 mm 105 in 2 5 mm 3 16 in 5 0 mm 1 4 in 6 0 mm B 2 B 2 B 2 C 3 C 3 D 5 A 2 A 2 B 3 B 4 C 5 B 2 C 3 C 3 D 4 B 3 B 3 C 3 D 5 A 1 A 1 B 2 B 2 C 2 5 D 2 E 2 Multiple passes required OUTPUT POLARITY DRIVE ROLL ORIENTATION MIG DC ALIGN GROOVE WITH CENTER OF GUIDE TUBES SECURE DRIVE ROLL WITH SET SCREW CENTERED ON FLAT MIG DC 025 0 6 mm DIA SOLID STEEL WIRE 030 0 8 mm DIA SOLID STEEL WI...

Page 23: ...se with Lincoln Electric gun with black trigger The end of the brass fitting on the end of the 035 045 0 9 1 2mm liner is color coded green The 023 030 0 6 0 8mm liner is color coded orange See Innershield FCAW Conversion in this sec tion for installation instructions and MAINTE NANCE section for proper feeding component con figuration and installation 4 K491 045 1 2 mm Innershield Welding Kit Inc...

Page 24: ... proper drive roll for the wire size selected See Changing Drive Roll in Maintenance section for details 3 Install the proper gun liner and tip for the wire size selected See Component Replacement in Maintenance section for details 4 Remove gasless nozzle if installed and install gas nozzle 5 Load wire into machine and thread into gun and cable per Welding Wire Loading section REPLACEMENT PARTS Co...

Page 25: ...passages causing the welder to run hot Blow dirt out of the welder with low pressure air at regular intervals to eliminate excessive dirt and dust build up on interval parts WIRE FEED COMPARTMENT 1 When necessary vacuum accumulated dirt from gearbox and wire feed section 2 Occasionally inspect the incoming guide tube and clean inside diameter if necessary 3 Motor and gearbox have lifetime lubricat...

Page 26: ...processes For the Innershield process the gasless nozzle should be screwed onto the diffuser 5 To remove gun tube from gun remove gas nozzle or gasless nozzle and remove diffuser from gun tube Remove the four screws from the gun handle and separate the handle halves For L8311 5 gun and cable handle half says magnum 100L Remove both collars from each end of the gun handle and separate the handle ha...

Page 27: ...0 6mm wire is to be used the drive roll must be reversed as follows 1 Connect the machine to its rated input power per instructions in Installation section 2 Release the spring loaded pressure arm and lift the idle roll arm away from the drive roll 3 Turn the power switch to ON marked I 4 Set the wire speed to minimum and jog the drive unit with the trigger switch until the drive roll set screw is...

Page 28: ...ew on the brass cable connector 7A For Gun Shown in Fig D 2a With the torch extended straight out cut the liner flush with the end of the diffuser Rotate the gun clockwise until the liner protrudes out the end of the diffuser enough to cut off an additional 2 coils approx 2mm Rotate the handle back to the original position 7B For Gun Shown in Fig D 2b With the gas nozzle and diffuser removed from ...

Page 29: ...TS Magnum 100L The gun handle consists of two halves that are held together with a collar on each end To open up the handle turn the collars approximately 60 degrees counter clockwise until the collar reaches a stop Then pull the collar off the gun handle If the collars are diffi cult to turn position the gun handle against a corner place a screwdriver against the tab on the collar and give the sc...

Page 30: ... Authorized Field Service Facility If you do not understand or are unable to perform the Recommended Course of Action safely contact your local Lincoln Authorized Field Service Facility HOW TO USE TROUBLESHOOTING GUIDE Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel Unauthorized repairs performed on this equipment may result in danger to the technician and...

Page 31: ... See Installation section Electrical Connections 2 Make certain that power switch is in the ON position 3 Make sure circuit breaker is reset 1 The thermostat may be tripped due to overheating Let machine cool Weld at lower duty cycle 2 Check for obstructions in air flow 3 Check Gun Trigger connections See Installation section 4 Gun trigger may be faulty RECOMMENDED COURSE OF ACTION Contact your lo...

Page 32: ...ld Service Facility FEEDING PROBLEMS If for any reason you do not understand the test procedures or are unable to perform the tests repairs safely contact your LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed CAUTION PROBLEMS SYMPTOMS Low or no gas flow when gun trigger is pulled Wire feed weld output and fan operate normally POSSIBLE AREAS OF MISADJUSTMEN...

Page 33: ...chine See Installation sec tion Electrical Input Connections 2 Check for proper electrode polarity for process 3 Check gun tip for wear or dam age and proper size Replace 4 Check for proper gas and flow rate for process For MIG only 5 Check work cable for loose or faulty connections 6 Check gun for damage or breaks 7 Check for proper drive roll orien tation and alignment 8 Check liner for proper s...

Page 34: ...IRING DIAGRAMS NOTE This diagram is for reference only It may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels ...

Page 35: ...NOTES SP 170 I ...

Page 36: ...NOTES SP 170 I ...

Page 37: ...electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y de la tierra Ne laissez ni la peau ni des vête ments mouillés entrer en contact avec des pièces sous tension Isolez vous du travail et de la terre Berühren Sie keine stromführenden Teile oder Elektrode...

Page 38: ...gute Be und Entlüftung des Arbeitsplatzes Mantenha seu rosto da fumaça Use ventilação e exhaustão para remover fumo da zona respiratória Turn power off before servicing Desconectar el cable de ali mentación de poder de la máquina antes de iniciar cualquier servicio Débranchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom völlig öff nen Maschine anhalten Não opere co...

Page 39: ...s and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World s Leader in Welding and Cutting Products ...

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