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ARC  8 0 0 

PRO 

WEL D 

1.0 INTRODUCTION  

Your new stud welding equipment has been carefully con-
structed using the finest components and material available. 
Used properly, this equipment will give you many years of 
profitable, efficient service.  

The system incorporates the latest in engineering advances for 
complete, reliable end welding of mild steel, stainless steel 
and aluminum fasteners.  

A careful study of this manual will enable you to understand 
how the welder operates to insure proper performance under 
all conditions.  

2.0 WARRANTY   

          The electrical and mechanical components of the stud 

welder are thoroughly performance inspected prior to assem-
bly in the welder. The assembled welder is completely per-
formance checked. The welder is delivered to you in func-
tional electro-mechanical condition.   

          All parts used in the assembly of the welder and its ac-

cessories are fully warranted for a period of 1 YEAR from the 
date of delivery. In addition, the welding capacitors are war-
ranted for a period of 1 YEAR from the date of delivery. The 
printed circuit boards used in all proweld equipment are war-
ranted for a period of 3 years.   

          Under the warranty, the manufacturer reserves the right 

to repair or replace, at their option, defective parts which fail 
during the guarantee period. Notice of any claim for warranty 
repair or replacement must be furnished to the manufacturer 
by the purchaser within ten (10) days after the defect is first 
discovered. The manufacturer does not assume any liability 
for paying shipping cost or any labor or materials furnished 
where such cost are not expressly authorized in writing.   

          The manufacturer does not warrant any parts or acces-

sories against failures resulting from misuse, abuse, improper 
installation, maladjustment, or use not in accordance with the 
operating instructions furnished by the manufacturer. The 
warranty is valid only when studs are purchased from sources 
approved by the manufacturer or are of identical specifica-
tions to the manufacturer’s   

3.0 UNPACKING YOUR UNIT  

Upon receipt of your unit, place it as close as possible to the 
point of installation before unpacking it. Once the unit is un-
packed, it is recommended that you inspect it for any physical 
damage that may have occurred in shipping.  

Your unit has been completely assembled and inspected at 
the factory. Upon receipt, the unit must be hooked up to the 
recommended incoming power before welding.  

Place the unit in a large enough area to provide adequate ven-
tilation. Do not restrict the air flow around the front louvers 
or from the fan at the rear of the unit. Do not allow water to 
enter the unit in any way.   

4.0 SUGGESTED SAFETY PRECAUTIONS  

In any welding operation, it is the responsibility of the welder 
to observe all safety rules to insure his or her personal safety 
and to protect those working in the area.  

Reference is directed without endorsement or recommenda-
tion to ANSI Z49.1, Safety in Welding and Cutting, and to 
AWG Publication A6,1-66, Recommended Safe Practices for 
Gas-Shielded Arc Welding.  

4.1 PERSONAL SAFETY PRECAUTIONS  

1. Always treat electricity with respect. Under open circuit 
conditions, the welding machines output voltage may be dan-
gerous.  

2. Don’t work on live circuits or conductors. Disconnect the 
main power before checking the machine or performing any 
maintenance or repair operations.  

3. Be sure the welding machine cabinet is properly grounded 
to a good electrical ground. Consult local electrical codes.  

4. Never operate a welder in the rain, or operate a welder 
while standing in water. Avoid wearing wet or sweaty clothes 
when welding.  

5. Don’t operate with worn or poorly connected cables, and 
don’t operate the weld gun with loose cable connections. In-
spect all cables frequently for insulation failures, exposed 
wires, loose connections and repair as needed.  

6. Don’t overload welding cables or continue to operate with 
over heated cables.  

7. Don’t weld near flammable materials or liquids in or near 
the area, or on ducts or pipes carrying explosive gases.  

8. Don’t weld on containers which have held combustible or 
flammable materials, or on materials which give off flamma-
ble or toxic vapors when heated.  

9. Be sure to provide proper ventilation when welding in a 

PAGE  1 

Summary of Contents for ARC 800

Page 1: ...OPERATION MAINTENANCE MANUAL ...

Page 2: ......

Page 3: ...ION 3 8 0 WELD GUN SETUP 3 8 1 PLUNGE LENGTH 3 8 2 CHECKING GUN LIFT 4 9 0 SETTING UP POWER SOURCE 5 9 1 CONNECTIONS AND SETTINGS 5 9 2 WELD TEST INSPECTIONS 5 10 0 MAINTENANCE 6 10 1 WELD CABLES 6 10 2 INTERNAL CLEANING 6 11 0 TROUBLESHOOTING 7 12 0 PARTS LIST 8 9 10 11 LIST OF FIGURES 1 JUMPER LINK ARRANGEMENT 2 2 CONTROL PANEL FRONT 3 3 STANDARD GUN SET UP 4 4 WELD INSPECTION 5 5 FUSE BLOCK 6 6...

Page 4: ...ARC 800 PRO WELD ...

Page 5: ...ARC 800 PRO WELD ...

Page 6: ...ARC 800 PRO WELD ...

Page 7: ...ARC 800 PRO WELD ...

Page 8: ...ING YOUR UNIT Upon receipt of your unit place it as close as possible to the point of installation before unpacking it Once the unit is un packed it is recommended that you inspect it for any physical damage that may have occurred in shipping Your unit has been completely assembled and inspected at the factory Upon receipt the unit must be hooked up to the recommended incoming power before welding...

Page 9: ... 100 380V 4 10 75 415V 10 10 50 This unit is equipped with input voltage jumper links either installed or in a bag on the jumper link board to allow operation from different line voltages If installed the jumper links are positioned for the high est voltage stated on the nameplate or on the input data label In either case the jumper links should always be checked to see if they are prop erly posit...

Page 10: ... of the ferrule Tighten the leg adjusting screws after setting the plunge and recheck centering to be sure the stud is aligned properly in the fer rule 4 The lift height which determines the arc length has been preset at the factory and will automatically lift and plunge the stud during the welding process Lift is the distance the gun will raise the stud above the welding surface during the weld T...

Page 11: ... from the welded stud this will assure better life to the gun s expendable accessories The ferrule may now be removed by breaking it away from the welded stud to allow inspect tion of the weld results After inspection of sample welds the gun can be adjusted as per the step in this procedure for optimum results 8 2 Checking Gun Lift To measure lift turn the stud welding unit on and set the timer to...

Page 12: ... cable receptacle in the front of the power supply d Set the Time adjustment required for the particular stud size see table 9 1 e Set the Current adjustment to the current setting for the par ticular stud size see table 9 1 f Turn on the power supply by depressing the START button Table 9 1 Approximate Settings Stud Base Weld Weld Minimum Plate Inches mm Seconds Amperes Inches mm 1 4 6 4 0 20 425...

Page 13: ...rns Allow cooling period before servicing CAUTION Read and follow the safety information at the beginning of this section before proceeding 10 1 Weld Cables Every three months inspect cables for breaks in insulation Repair or replace cables if insulation breaks are present Clean and tighten connections at each inspection Figure 5 FUSE BLOCK 10 2 Internal Cleaning Every six months blow or vacuum du...

Page 14: ...rd for proper voltage 3 Defective 600 0015 P C board 3 Replace 4 Defective current potentiometer 4 Replace 5 Excessive weld cable length 5 Reduce cable length Maximum output but 1 Defective 600 0015 P C board 1 Replace no control 2 Open lead going to shunt 2 Repair broken leads on shielded cable connection 3 Defective current potentiometer 3 Replace Gun does not lift 1 Blown 4 amp fuse 1 Check and...

Page 15: ...2 Knob 102 0060 3 LED Red 108 0028 4 LED Green 108 0029 5 Knob 104 0043 6 Face Plate 104 0042 7 On Off Switch 104 0041 8 Potentiometer 111 0001 9 Camlok Female Panel Mount 107 0002 10 Panel Mount R S Connector 107 0001 PAGE 8 1 2 3 4 5 7 8 9 10 Figure 6 FRONT PANEL Figure 7 CONNECTORS 6 ...

Page 16: ...14 Thermostat 102 0032 15 SCR Isolated 25A 400V 108 0042 16 Cap 1000 MFD 200V 106 0024 17 Terminal Strip 12 Pole Euro 102 0025 18 Choke Coil 105 0004 19 6 Terminal Fuse Block 104 0038 20 Fuse Decal 122 0034 21 Terminal Strip 12 Pole Euro 102 0025 22 SCR 108 0058 23 ARC 800 PCB 600 0015 12 13 14 15 16 17 18 19 20 21 22 23 ...

Page 17: ...t 102 0081 Sheet Metal Misc Parts NOT PICTURED DESCRIPTION PART NUMBER Base 101 0031 1 Left Side Panel 101 0031 2 Right Side Panel 101 0031 3 Top Cover 101 0031 4 Front Panel 101 0031 5 Back Panel 101 0031 6 MTG Panel 101 0031 7 Compartment 101 0031 8 Rear Door 101 0031 9 Handle 101 0031 10 Axle 102 0046 Handle Plastic 102 0063 Door Latch Knob 102 0124 Door Latch Cam 102 0125 ...

Page 18: ...K 2 2K 2 2K 2 2K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 100 100 100 100 10 10 470 470 470 470 470 470 1K 1K 1K 1K 1K 220 220 220 4 7K 4 7K 4 7K 4 7K 22K 22K 470 22K 22K 22K 10K 3 3K 3 3K 3 3K 47K 1 8K 82K 130K 2 7K 3 9K 3K 390K 47 33K 1M 470M 40V 100M 25V 10M 250V 47M 63V 47 63 22 100 4 7 4 7 4 7 10 10 10 1 1 1 1 1 A06 A56 A06 A06 A06 A56 A06 A56 A56 TCR22 6027 6027 LM723 LM358 LM358 LM35...

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Page 20: ...WELD PRO MANUFACTURED BY MADE IN THE U S A ...

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