English dropdown-ico

Hobart Welding Products OM-945 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Hobart Welding Products OM-945, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Hobart Welding Products OM-945 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Hobart Welding Products OM-945. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Hobart Welding Products OM-945 should contain:
- informations concerning technical data of Hobart Welding Products OM-945
- name of the manufacturer and a year of construction of the Hobart Welding Products OM-945 item
- rules of operation, control and maintenance of the Hobart Welding Products OM-945 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Hobart Welding Products OM-945 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Hobart Welding Products OM-945, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Hobart Welding Products service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Hobart Welding Products OM-945.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Hobart Welding Products OM-945 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Champion 10,000 Pro cesses Descrip ti on Stick (SMAW) W elding Engine Driven Welding Generator OM -945 194 047AD 2007 − 05 ™[...]

  • Page 2

    Hobart W elders manufactures a full line of welders and welding related equipment. For information on other quality Hobart products, contact your local Hobart distributor to receive the latest full line catalog or individual specification sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1 or visit our website at www .H[...]

  • Page 3

    T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. Arc W elding Hazards 1 . . . . . . . [...]

  • Page 4

    T ABLE OF CONTENTS SECTION 9 − MAINTENANCE − (KOHLER-POWERED UNITS) 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1. Routine Maintenance (Kohler-Powered Units) 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2. Maintenance Label (Kohler-Powered Units) 33 . . . . .[...]

  • Page 5

    OM-945 Page 1 SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING rom_2007 − 04 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if not avoided, will result in death or serious injury . The possible hazards are shown in the adjoining symbols or e[...]

  • Page 6

    OM-945 Page 2 W elding produces fumes and gases. Breathing these fumes and gases can be hazardous to your health. FUMES AND GASES can be hazardous.  Keep your head out of the fumes. Do not breathe the fumes.  If inside, ventilate the area and/or use local forced ventilation at the arc to remove welding fumes and gases.  If ventilation is p[...]

  • Page 7

    OM-945 Page 3 1-3. Engine Hazards BA TTER Y EXPLOSION can BLIND.  Always wear a face shield, rubber gloves, and protective clothing when working on a battery .  Stop engine before disconnecting or connect- ing battery cables or servicing battery .  Do not allow tools to cause sparks when working on a battery .  Do not use welder to char[...]

  • Page 8

    OM-945 Page 4 HOT MET AL from air arc cutting and gouging can cause fire or explosion.  Do not cut or gouge near flammables.  W atch for fire; keep extinguisher nearby . HOT P ARTS can cause burns and injury .  Do not touch hot compressor or air system parts.  Let system cool down before touching or ser- vicing. READ INSTRUCTIONS.  R[...]

  • Page 9

    OM-945 Page 5 H. F . RADIA TION can cause interference.  High-frequency (H.F .) can interfere with radio navigation, safety services, computers, and communications equipment.  Have only qualified persons familiar with electronic equipment perform this installation.  The user is responsible for having a qualified electrician promptly correc[...]

  • Page 10

    OM-945 Page 6 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE A V ANT UTILISA TION rom_2007 − 04fre Se protéger , ainsi que toute autre personne travaillant sur les lieux, contre les étincelles et le métal chaud. 2-1. Signification des symboles DANGER! − Indique une situation dangereuse qui si on l’évite pas peut donner la mort ou des bles[...]

  • Page 11

    OM-945 Page 7 Une tension DC importante subsiste à l’intérieur des onduleurs après avoir coupé l’alimentation.  Couper l’alimentation du poste et décharger les condensateurs d’entrée comme indiqué dans la Section Maintenance avant de toucher des composants. DES PIÈCES CHAUDES peuvent provoquer des brûlures graves.  Ne pas tou[...]

  • Page 12

    OM-945 Page 8  Suivre les recommandations dans OSHA 1910.252(a)(2)(iv) et N F P A 51B pour les travaux à chaud et avoir de la surveillance et un extincteur à proximité. LE BRUIT peut affecter l’ouïe. Le bruit des processus et des équipements peut affe c l’ouïe.  Porter des protections approuvés pour les or e les si le niveau sonore[...]

  • Page 13

    OM-945 Page 9  Dévisser le bouchon légèrement et laisser la vapeur s’échapper avant d’enlever le bouchon. L ’utilisation d’un groupe autonome à l’intérieur PEUT VOUS TUER EN QUELQUES MINUTES.  Le s fumées d’un groupe autonome contient du monoxyde de carbone. C’est un poison invisi- ble et inodore.  JAMAIS utiliser dans[...]

  • Page 14

    OM-945 Page 10 LE SURCHAUFFEMENT peut endom- mager le moteur électrique.  Arrêter ou déconnecter l’équipement avant d e démarrer ou d’a rrêter le moteur .  Ne pas laisser tourner le moteur trop lentement sous risque d’en - dommager le moteur électrique à cause d’une tension et d’une fré - quence trop faibles.  N e pas br[...]

  • Page 15

    OM-945 Page 1 1 2-6. P r oposition californienne 65 A vertissements Les équipements de soudage et de coupage produisent des fumées et des gaz qui contiennent des produits chimiques dont l’État de Californie reconnaît qu’ils provoquent des mal- formations congénitales et, dans certains cas, des cancers. (Code de santé et de sécurité de C[...]

  • Page 16

    OM-945 Page 12 SECTION 3 − DEFINITIONS 3-1. Symbol Definitions Stop Engine Fast (Run, W eld/Power) Fast/Slow (Run/Idle) Slow (Idle) Start Engine Read Operator’s Manual A Amperes V V olts Engine Oil Fuel Battery (Engine) Engine Engine Choke Check V alve Clearance Circuit Protector T emperature Positive Negative Alternating Current (AC) Output h [...]

  • Page 17

    OM-945 Page 13 4-2. Dimensions, Weights, and Operating Angles Dimensions Height 33-1/2 in (851 mm) A Width 18-1/2 in (470 mm) A B C ! Depth 38 in (965 mm) B C D G ! Do not move or operate unit where it could tip. A 18 in (457 mm) D G 4 HOLES w here it co u ld tip . ! Do not exceed tilt angles or B 16-9/16 in (421 mm) ! Do not exceed tilt angles or [...]

  • Page 18

    OM-945 Page 14 4-4. Fuel Consumption (All Models) 197 254 Continuous Welding 4-5. Duty Cycle 197 148 Duty cycle is the percentage of 10 minutes that unit can weld at rated load without overheating. NOTICE − Exceeding duty cycle ca n damage unit and void warranty . 60% Duty Cycle at 210 Amperes CC/DC 100% Duty Cycle at 170 Amperes CC/DC 6 Minutes [...]

  • Page 19

    OM-945 Page 15 4-6. V olt-Ampere Curves 197 253 The volt-ampere curve shows the minimum and maximum voltage an d amperage output capabilities of th e welding generator . Curves of a ll other settings fall between the curves shown. Notes 16 Gauge (.063 in) 22 Gauge (.031 in) 24 Gauge (.025 in) 20 Gauge (.037 in) 18 Gauge (.050 in) 14 Gauge (.078 in)[...]

  • Page 20

    OM-945 Page 16 SECTION 5 − INST ALLA TION ! Do not lift unit from end. ! Do not weld on base. W elding on base can cause fuel tank fire or explosion. Bolt unit down using holes provided in base ! Always securely fasten weld- ing generator onto transport vehicle or trailer and comply with all DOT and other applica- ble codes. ! Do not mount unit b[...]

  • Page 21

    OM-945 Page 17 5-2. Engine Prestart Checks (Robin-Powered Units) 802 353-G Full Gasoline Check all fluids daily . Engine must be cold and on a level surface. Unit is shipped with 10W30 engine oil. Engine stops if oil pressure gets too low .  Follow run-in procedure in engine manual.  This unit has a low oil pressure shutdown switch. However ,[...]

  • Page 22

    OM-945 Page 18 ! Always wear a face shield, rubber gloves and protec- tive clothing when working on a battery . Remove battery from unit. 1 V ent Caps 2 Sulfuric Acid Electrolyte (1.265 Specific Gravity) 3 W ell Fill each cell with electrolyte to bottom of well (maximum). ! Do not overfill battery cells. W ait ten minutes and check elec- trolyte le[...]

  • Page 23

    OM-945 Page 19 5-6. Installing Exhaust Pipe 801 681 / Ref. 226 427-A ! Engine backfire can cause se- vere burns or other injuries. Do not point exhaust pipe to- ward control panel. Keep away from exhaust outlet.  Point exhaust pipe in desired di- rection but always away from front panel and direction of travel. T ools Needed: 1/2 in 802 353-G / [...]

  • Page 24

    OM-945 Page 20 5-8. Connecting T o Weld Output T erminals 803 778-A / Ref. 226 427-A T ools Needed: 4 2 3 Do not place anything between Correct Installation Incorrect Installation 1 weld cable terminal and copper bar . 3/4 in ! Stop engine. ! Failure to properly connect weld cables may cause ex- cessive heat and start a fire, or damage your machine[...]

  • Page 25

    OM-945 Page 21 SECTION 6 − OPERA TING THE WELDING GENERA TOR  If the unit is extremely overloaded, weld and generator power will stop. T urn unit off and restart to reset the generator prote ction circuit and restore weld generator power output.  If the rated output of the unit is exceeded, engine speed may vary rapidly until the weld or ge[...]

  • Page 26

    OM-945 Page 22 6-2. Cold Weather Engine Operation Ref. 226 427-A 1 Engine Control Switch Carburetor Icing Carburetor icing causes the unit to drop below the normal idle speed and then stall. This condition occurs when the temperature is near freezing and the rela- tive humidity is high. Ice forms on the throttle plate and inner bore of the carbu- r[...]

  • Page 27

    OM-945 Page 23 SECTION 7 − OPERA TING AUXILIAR Y EQUIPMENT  If the unit is extremely overloaded, weld and generator power will stop. T urn unit off and restart to reset the generator prote ction circuit and restore weld generator power output.  If the rated output of the unit is exceeded, engine speed may vary rapidly until the weld or gene[...]

  • Page 28

    OM-945 Page 24 7-2. Optional Generator Power Receptacles ! If unit does not have GFCI re- ceptacles, use GFCI- protected extension cord. Combined output of all receptacles limited to 10 kV A/kW rating of the generator . GFCI Receptacle Option 1 120 V 20 A AC GFCI Recep- tacles GFCI2 and GFCI3 GFCI2 and GFCI3 supply 60 Hz single-phase power at weld/[...]

  • Page 29

    OM-945 Page 25 7-3. Wiring Instructions For Optional 240 V olt, Single-Phase Plug (NEMA 14-50P) plug1 1 1/03 − 120 813-D The plug can be wired for a 240 V , 2-wire load or a 120/240V , 3-wire load. See circuit diagram. 1 Plug Wired for 120/240 V , 3-Wire Load When wired for 120 V loads, each duplex receptacle shares a load with one half of 240 V [...]

  • Page 30

    OM-945 Page 26 SECTION 8 − MAINTENANCE (ROBIN-POWERED UNITS) 8-1. Routine Maintenance (Robin-Powered Units) ! Stop engine before maintaining.  S ee Engine Manual and Maintenance Label for important start-up, service, and storage information. Service engine more often if used in severe conditions. Recycle engine fluids.  = Check  = Change[...]

  • Page 31

    OM-945 Page 27 8-2. Maintenance Label (Robin-Powered Units)[...]

  • Page 32

    OM-945 Page 28 8-3. Servicing Air Cleaner (Robin − Powered Units) aircleaner3 1 1/04 − 803 070 / S-0759 oil 1 2 ! Stop engine and let cool. NOTICE − Do not run engine with- ou t air cleaner or with dirty element. 1 W rapper Wash wrapper with soap and water solution. Allow wrapper to air dry completely . Spread 1 tablespoon SAE 30 oil evenly i[...]

  • Page 33

    OM-945 Page 29 8-4. Overload Protection (Robin-Powered Units) 802 342 / Ref. 802 353-G ! Stop engine. Disconnect nega- tive ( − ) battery cable.  If the unit is extremely over- loaded, weld and generator pow- er will stop. T urn unit off and re- start to reset the generator protection circuit and restore weld and generator power output. If the[...]

  • Page 34

    OM-945 Page 30 ! Stop engine and let cool. 1 Oil Drain V alve 2 1/2 ID x 7 in Hose 3 Oil Filter Change engine oil and filter ac- cording to engine owner’s manual. ! Close valve and valve cap before adding oil and running engine. Fill crankcase with new oil to full mark on dipstick (see Section 8- 2). 4 Fuel Filter 5 Fuel Line Replace line if crac[...]

  • Page 35

    OM-945 Page 31 8-7. Adjusting Engine Speed (Robin-Powered Units) 802 353-G / 802 457 After tuning engine, check engine speeds with a tachometer (see table). If necessary , adjust speeds as follows: Start engine and run until warm. Remove wrapper to access speed adjustments. Idle Speed Adjustment Move Engine Control switch to Run/Idle position. 1 Th[...]

  • Page 36

    OM-945 Page 32 SECTION 9 − MAINTENANCE − (KOHLER-POWERED UNITS) 9-1. Routine Maintenance (Kohler-Powered Units) ! Stop engine before maintaining.  S ee Engine Manual and Maintenance Label for important start-up, service, and storage information. Service engine more often if used in severe conditions. Recycle engine fluids.  = Check  = [...]

  • Page 37

    OM-945 Page 33 9-2. Maintenance Label (Kohler-Powered Units)[...]

  • Page 38

    OM-945 Page 34 9-3. Servicing Air Cleaner (Kohler − Powered Units) aircleaner3 1 1/04 − 802 772 / S-0759 oil 1 2 ! Stop engine and let cool. NOTICE − Do not run engine with- ou t air cleaner or with dirty element. 1 W rapper Wash wrapper with soap and water solution. Allow wrapper to air dry completely . Spread 1 tablespoon SAE 30 oil evenly [...]

  • Page 39

    OM-945 Page 35 9-4. Overload Protection (Kohler-Powered Units) Ref. 801 221-B / Ref. 802 353-G ! Stop engine.  If the unit is extremely over- loaded, weld and generator pow- er will stop. T urn unit off and re- start to reset the generator protection circuit and restore weld and generator power out- put. I f the rated output of the unit is ex- c[...]

  • Page 40

    OM-945 Page 36 9-6. Changing Engine Oil, Oil Filter , and Fuel Filter (Kohler-Powered Units) 802 339-G / S-0842 T ools Needed: 3 4 5 1 2 Full ! Stop engine and let cool. 1 Oil Drain V alve 2 1/2 ID x 7 in Hose 3 Oil Filter Change engine oil and filter ac- cording to engine owner’s manual. ! Close valve and valve cap before adding oil and running [...]

  • Page 41

    OM-945 Page 37 9-7. Adjusting Engine Speed (Kohler-Powered Units) 802 339-G / 801 209-A After tuning engine, check engine speeds with a tachometer (see table). If necessary , adjust speeds as follows: Start engine and run until warm. Remove wrapper to access speed adjustments. Idle Speed Adjustment Move Engine Control switch to Run/Idle position. 1[...]

  • Page 42

    OM-945 Page 38 SECTION 10 − TROUBLESHOOTING 10-1. T roubleshooting A. Welding T rouble Remedy No weld output. Check control settings. Check weld connections. Reset circuit breaker CB4 (see Section 8-4 or 9-4). Unit overloaded. Stop unit and reduce load. Restart unit to reset generator protection circuit and resume operation. Be sure all equipment[...]

  • Page 43

    OM-945 Page 39 T rouble Remedy Erratic power output at generator pow- er ac receptacles. Check fuel level. Check engine speed and adjust if necessary (see Section 8-7 or 9-7). Check receptacle wiring and connections. Have Factory Authorized Service Agent check brushes and slip rings. C. Engine T rouble Remedy Engine will not crank. Check fuse F6, a[...]

  • Page 44

    OM-945 Page 40 T rouble Remedy During operation in near freezing tem- peratures, engine starts and goes to idle but stalls after a few minutes. T reat fuel with isopropyl alcohol de-icer product. Place Engine Control switch in the Run position until unit has been in operation and loaded for a peri- od of time. During operation in severe cold weath-[...]

  • Page 45

    OM-945 Page 41 SECTION 1 1 − ELECTRICAL DIAGRAM 222129 − B Figure 1 1-1. Circuit Diagram For Welding Generator (Robin And Kohler-Powered Units)[...]

  • Page 46

    OM-945 Page 42 SECTION 12 − GENERA TOR POWER GUIDELINES  The views in this section are intended to be representative of all engine-driven welding generators. Y our unit may differ from those shown. 1 Generator Power Receptacles − Neutral Bonded T o Frame 2 3-Prong Plug From Case Grounded Equipment 3 2-Prong Plug From Double Insulated Equipme[...]

  • Page 47

    OM-945 Page 43 1 Equipment Grounding T erminal 2 Grounding Cable Use #10 AWG or larger insulated copper wire. 3 Ground Device  Us e ground device as stated in electrical codes. ! Ground generator to system earth ground if supplying power to a premises (home, shop, farm) wiring system. ! Also see A WS Safety & Health Fact Sheet No. 29, Ground[...]

  • Page 48

    OM-945 Page 44 12-5. Approximate Power Requirements For Industrial Motors Industrial Motors Rating Startin g W atts Running W atts Split Phase 1/8 HP 800 300 1/6 HP 1225 500 1/4 HP 1600 600 1/3 HP 2100 700 1/2 HP 3175 875 Capacitor Start-Induction Run 1/3 HP 2020 720 1/2 HP 3075 975 3/4 HP 4500 1400 1 HP 6100 1600 1-1/2 HP 8200 2200 2 HP 10550 2850[...]

  • Page 49

    OM-945 Page 45 12-7. Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running W atts Hand Drill 1/4 in 350 350 3/8 in 400 400 1/2 in 600 600 Circular Saw 6-1/2 in 500 500 7-1/4 in 900 900 8-1/4 in 1400 1400 T able Saw 9 in 4500 1500 10 in 6300 1800 Band Saw 14 in 2500 1 100 Bench Grinder 6 in 1720 720 8 in 39[...]

  • Page 50

    OM-945 Page 46 12-8. Power Required T o Start Motor Single-Phase Induction Motor Starting Requirements Motor Start Code G H J K L M N P KV A/HP 6.3 7.1 8.0 9.0 10.0 1 1.2 12.5 14.0 S-0624 1 Motor Start Code 2 Running Amperage 3 Motor HP 4 Motor V oltage T o find starting amperage: Step 1: Find code and use table to find kV A/HP . If code is not lis[...]

  • Page 51

    OM-945 Page 47 12-10. T ypical Connections T o Supply Standby Power T ransfer Switch Essential Loads Fused Disconnect Switch (If Required) Utility Electrical Service 12 3 4 5 W elding Generator Output ! Have only qualified persons perform these connections according to all applicable codes and safety practices. ! Properly install and ground this eq[...]

  • Page 52

    OM-945 Page 48 12-1 1. Selecting Extension Cord (Use Shortest Cord Possible) Cord Lengths for 120 V olt Loads If unit does not have GFCI receptacles, use GFCI-protected extension cord. Maximum Allowable Cord Length in ft (m) for Conductor Size (A WG)* Current (Amperes) Load (W atts) 4 6 8 10 12 14 5 600 350 (106) 225 (68) 137 (42) 100 (30) 7 840 40[...]

  • Page 53

    OM-945 Page 49 SECTION 13 − STICK WELDING (SMA W) GUIDELINES 13-1. Stick Welding Procedure stick 2007 − 04 − ST -151 593 ! Weld current starts when electrode touches work- piece. ! Weld current can damage electronic parts in vehicles. Disconnect both battery cables before welding on a vehicle. Place work clamp as close to the weld as possible[...]

  • Page 54

    OM-945 Page 50 13-2. Electrode and Amperage Selection Chart Ref. S-087 985-A 3/32 1/8 5/32 3/16 7/32 1/4 1/16 5/64 3/32 1/8 5/32 3/16 7/32 1/4 3/32 1/8 5/32 3/16 7/32 1/4 3/32 1/8 5/32 3/16 7/32 1/4 3/32 1/8 5/32 3/16 7/32 1/4 3/32 1/8 5/32 3/16 3/32 1/8 5/32 6010 & 601 1 6013 7014 7018 7024 Ni-Cl 308L 50 100 150 200 250 300 350 400 450 ELECTRO[...]

  • Page 55

    OM-945 Page 51 13-5. Positioning Electrode Holder S-0060 90 ° 90 ° 10 ° -30 ° 45 ° 45 ° GROOVE WELDS FILLET WELDS End View of Work Angle Side View of Electrode Angle End View of Work Angle Side View of Electrode Angle 10 ° -30 ° 13-6. Poor Weld Bead Characteristics S-0053-A 1 Large Spatter Deposits 2 Rough, Uneven Bead 3 Slight Crater Durin[...]

  • Page 56

    OM-945 Page 52 13-8. Conditions That Affect Weld Bead Shape  Weld bead shape is affected by electrode angle, arc length, travel speed, and thickness of base metal. S-0061 ELECTRODE ANGLE ARC LENGTH TRA VEL SPEED Slow Normal Fast 10 ° - 30 ° Drag T oo Short Normal T oo Long Spatter Angle T oo Small Angle T oo Large Correct Angle 13-9. Electrode[...]

  • Page 57

    OM-945 Page 53 13-10. Butt Joints S-0662 1 T ack Welds Prevent edges of joint from draw- ing together ahead of electrode by tack welding the materials in posi- tion before final weld. 2 Square Groove Weld Good for materials up to 3/16 in (5 mm) thick. 3 Single V -Groove W eld Good for materials 3/16 − 3/4 in (5-19 mm) thick. Cut bevel with oxyace[...]

  • Page 58

    OM-945 Page 54 13-13. Weld T est S-0057-B 1 Vise 2 Weld Joint 3 Hammer Strike weld joint in direction shown. A good weld bends over but does not break. 2 T o 3 in 1/4 in 3 2 1 2 T o 3 in 3 2 1 (51-76 mm) (6.4 mm) (51-76 mm) 13-14. T roubleshooting − Porosity Porosity − small cavities or holes resulting from gas pockets in weld metal. Possible C[...]

  • Page 59

    OM-945 Page 55 13-16. T roubleshooting − Incomplete Fusion Incomplete Fusion − failure of weld metal to fuse completely with base metal or a preceeding weld bead. Possible Causes Corrective Actions Insufficient heat input. Increase amperage. Select larger electrode and increase amperage. Improper welding technique. Place stringer bead in proper[...]

  • Page 60

    OM-945 Page 56 13-19. T roubleshooting − Burn-Through Burn-Through − weld metal melting completely through base metal resulting in holes where no metal remains. Possible Causes Corrective Actions Excessive heat input. Select lower amperage. Use smaller electrode. Increase and/or maintain steady travel speed. 13-20. T roubleshooting − W avines[...]

  • Page 61

    OM-945 Page 57 Notes Welding Symbols Ref. AWS/ANSI A2.4[...]

  • Page 62

    OM-945 Page 58 SECTION 14 − P ARTS LIST 6 13 16 15 17 10 8 9 12 14 19 11 23 24 21 27 26 25 28 29 22 18 19 20 − FIG 14-3 5 7 2 3 4 42 43 1 44 − FIG 14-2 18 17 35 36 32 33 34 45 30 31 37 38 39 40 41 Ref. 802 343 − R  Hardware is common and not available unless listed. Figure 14-1. Main Assembly (Robin Engine Shown) Kohler only 46[...]

  • Page 63

    OM-945 Page 59 Description Part No. Dia. Mkgs. Item No. Figure 14-1. Main Assembly Quantity 1 +193 777 Wrapper 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 227 725 Label, Use Gasoline Fuel Only 1 . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 64

    OM-945 Page 60 Description Part No. Dia. Mkgs. Item No. Figure 14-1 . Main Assembly (Continued) Quantity 31 181 057 Cover , Base 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 DC-Z 205 978 Stabilizer Assy , 1 . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 65

    OM-945 Page 61 Description Part No. Dia. Mkgs. Item No. Figure 14-2. Panel, Front w/Components (Figure 14-1 Item 47) Quantity 1 198 122 Stand − of f Support, Pc Card .250w/Post&lock .500 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Nameplate (order by model & serial no.) 1 . . . . . . . . . . . . . . . . .[...]

  • Page 66

    OM-945 Page 62 Description Part No. Item No. Figure 14-3. Generator (Figure 14-1 Item 20) Quantity 1 +220 832 Generator Assy , Front (consisting of) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 183 419 O − ring, 1.984 Id X .139 Cs 70 Duro V iton 1 . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 67

    Warranty Questions? Call 1-800-332-3281 7 AM − 6 PM EST hobart_warr 2007 − 01 Service Y o u always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor or call 1-800-332-3281. The expertise of the distributor and Hoba[...]

  • Page 68

    PRINTED IN USA © 2007 Hobart Welding Products. 2007 − 01 Hoba rt We lding Pr oducts An Illinois T ool W orks Comp any 600 W est Main Street Tr oy , OH 45373 US A For Technical A ssistan ce: Call1-800-332-3281 Fo r Liter atur e Or Nea rest Dea ler: Call 1-877-Hobart 1 Model Name Serial/Style Number Purchase Date (Date which equipment was delivere[...]