Pro-Weld AG-805 Operation And Maintenance Manual Download Page 18 | Manualshive

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Pro-Weld AG-805 Operation And Maintenance Manual Download Page 18

PRO

WEL D

3 0 0 -0 8 0 5

TROUBLE SHOOTING GUIDE (continued)

CAUTION:

Turn off the power when trouble shooting the control. Welding voltage can cause electric shock and
burns.

Trouble shooting should be done by qualified personnel trained to work on this type of equip-
ment.

PROBLEM POSSIBLE CAUSE REMEDY

Weld quality (continued) Poor quality fasteners.

Loose chuck Replace chuck.

Gun lifts but fastener Loose chuck. Replace chuck.
Does not pull away from
The work plate. Accessory misalignment. See previous problem for

re-alignment suggestions.

PAGE 11

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Summary of Contents for AG-805

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

Page 2: ......

Page 3: ...SET UP 3 7 0 WELD TEST AND INSPECTION 5 7 1 WELD TEST 5 7 2 WELD INSPECTION 5 7 3 CAUSES OF POOR OR ERRATIC WELDS 5 7 4 TROUBLE SHOOTING POOR WELDS 7 8 0 MAINTENANCE 7 8 1 DISASSEMBLY 7 8 2 RE ASSEMBLY 7 8 3 WELD CABLE REPLACEMENT 8 8 4 CONTROL CABLE REPLACEMENT 8 8 5 GUN MAINTENANCE 8 PARTS LIST GUN ASSEMBLY ARC STD LD 9 10 9 0 TROUBLE SHOOTING GUIDE 11 ...

Page 4: ...PRO WELD 300 0805 ...

Page 5: ...300 0805 PRO WELD ...

Page 6: ...PRO WELD 300 0805 ...

Page 7: ...300 0805 PRO WELD ...

Page 8: ...y parts or accessories 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 specifications to the manufacturer s 3 0 SUGGESTED SAFETY PRECAUTIONS In any welding operation ...

Page 9: ...lding tool Welds any length stud with a diameter range of 12 gauge through 5 8 inches Refer to figure 4 1 for weight and size specifications 5 0 UNPACKING There is very little to do when unpacking your ARC Stud Welding gun Your Stud Welder comes com plete with all the accessories and tool required for set up adjustment and maintenance Aside from the correct chuck ferrule grip and any special acces...

Page 10: ...orward plunge of the stud Tighten the locking screws after centering the stud 3 The Plunge Length is the amount of stud exposed beyond the ferrule during initial set up Set the plunge by loosening the leg adjusting screws and moving the foot until the stud extends 1 8 to 3 16 past the end of the ferrule Tighten the leg adjusting screws after set ting the plunge and re check centering to be sure th...

Page 11: ... and ferrule squarely against the ground work surface The main spring in the gun will take up the plunge length and the ferrule will seat against the base plate 8 Pull the trigger holding the gun completely still as above The gun will lift the stud from the base plate and draw an arc The end of the stud and the adjacent metal of the base plate will be melted by the weld arc The gun will then plung...

Page 12: ...esults In an acceptable weld failure will occur in the stud material or tear out of a thin base plate Failure in the weld requires adjustment of procedure weld time and current setting 7 2 Weld Inspection Weld quality can be visually inspected Refer to Fig ure 7 1 as a reference to the quality of the weld 7 3 Causes Of Poor Or Erratic Welds 1 Loose chuck Does not grip stud tightly replace Not enou...

Page 13: ...7 1 WELD INSPECTION GOOD STUD WELD A good full fillet STUD HANG UP Adjust foot to insure the stud is centered in the ferrule COLD WELD Increase weld current and or weld time HOT WELD Reduce weld current and or weld time PAGE 6 ...

Page 14: ... this manual for location for numbers noted in this text 8 1 Disassembly of Gun 1 Loosen leg set screws 28 remove foot and leg assem bly Unscrew chuck adaptor and remove bellows 2 2 Unscrew end cap nuts 3 and remove front cover 4 3 Disconnect weld cable 31 from lifting rod assm 6 by removing screw 8 Remove lifting rod assembly 6 and main spring 7 4 Slide out lift stop housing 10 lifting ring 11 mo...

Page 15: ...Lubricate lifting rod surface with a thin coat of high temperature bearing grease Lubricate M 24 M or equivalent PAGE 8 4 Install front cap 4 end cap nuts 3 bellow 2 and chuck adaptor 1 Make sure chuck adaptor is securely tightened 5 Guns with plunge damper replacement damper 33 has to be screwed all the way into the damper cover 32 Screw damper assembly into front cap 4 6 Install foot and leg ass...

Page 16: ... 19 COIL YOKE BEARING 301 0009 ITEM DESCRIPTION PART NO 21 WAVE WASHER 102 0117 22 REAR COIL YOKE 301 0016 23 SCREW 8 32 X 1 4 SET 115 0010 24 LIFT ADJ SCREW 301 0008 25 REAR CAP 033 493 26 SCREW 8 32 X 3 4 PAN HD 037 521 27 HANDLE COVER 302 0009HD 28 SCREW 10 32 X 1 2 OVAL HD 115 0009 29 SCREW 5 16 18 X 3 8 SET 037 557 30 SPRING TRIGGER 302 0016 31 SNAP RING 302 0023 32 TRIGGER BUTTON 302 0013 33...

Page 17: ...isassembly and clean Misalignment of accessories Re align fastener in center of i e legs foot piece grip by loosening the screws holding the foot and the legs Lift incorrectly set Adjust lift to recommend settings See section Set up of Weld Gun for suggested settings Weld quality appears Faulty or loose ground Clean area for grounding inconsistent from one connection Repair or tighten clamp weld t...

Page 18: ...ouble shooting should be done by qualified personnel trained to work on this type of equip ment PROBLEM POSSIBLE CAUSE REMEDY Weld quality continued Poor quality fasteners Loose chuck Replace chuck Gun lifts but fastener Loose chuck Replace chuck Does not pull away from The work plate Accessory misalignment See previous problem for re alignment suggestions PAGE 11 ...

Page 19: ...300 0805 PRO WELD ...

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

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