Page 2 - (Equipment with a serial number preface of “KK” or newer); Warranty
Effective January 1, 1999 (Equipment with a serial number preface of “KK” or newer) This limited warranty supersedes all previous manufacturerswarranties and is exclusive with no other guarantees orwarranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditionsbelow, warrants...
Page 4 - TABLE OF CONTENTS
OM-166 941C − 7/99 TABLE OF CONTENTS Section No. Page No. SECTION 1 − SAFETY RULES FOR OPERATION OF ARC WELDING POWER SOURCE 1-1. Introduction 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. General Precautions 1 . . . . . . . . . . . . . . . . ...
Page 6 - SECTION 1 − SAFETY RULES FOR OPERATION OF ARC WELDING POWER SOURCE; INTRODUCTION; Avoid oily or greasy clothing. A spark may ignite them.; B. Toxic Fume Prevention
OM-166 941 Page 1 SECTION 1 − SAFETY RULES FOR OPERATION OF ARC WELDING POWER SOURCE 1-1. INTRODUCTION We learn by experience. Learning safety through per-sonal experience, like a child touching a hot stove isharmful, wasteful, and unwise. Let the experience ofothers teach you. Safe practices develo...
Page 10 - STANDARDS BOOKLET INDEX
OM-166 941 Page 5 quate to carry ground currents safely. Equipment madeelectrically HOT by stray current may shock, possiblyfatally. Do NOT GROUND to electrical conduit, or to apipe carrying ANY gas or flammable liquid such as oil orfuel. Three-phase connection. Check phase requirements ofequipment ...
Page 11 - SECTION 2 − SAFETY PRECAUTIONS AND SIGNAL WORDS; GENERAL INFORMATION AND SAFETY
OM-166 941 Page 6 5. ANSI Standard Z41.1, STANDARD FOR MEN’SSAFETY-TOE FOOTWEAR obtainable from theAmerican National Standards Institute, 1430Broadway, New York, NY 10018. 6. ANSI Standard Z49.2, FIRE PREVENTION INTHE USE OF CUTTING AND WELDING PROC-ESSES obtainable from the American NationalStandar...
Page 12 - SECTION 3 − SPECIFICATIONS; At 36 Volts DC
OM-166 941 Page 7 SECTION 3 − SPECIFICATIONS Table 3-1. Welding Generator Specifications Rated Output At 100% Duty Cycle 800 Amperes At 36 Volts DC Welding Range 100 to 800 Amps DC Maximum Open-Circuit Voltage 95 Volts DC Maximum Engine Speed (No Load) 1860 RPM Single-Phase Auxiliary Power While Wel...
Page 13 - SECTION 4 − INSTALLATION OR RELOCATION
OM-166 941 Page 8 3-1. DUTY CYCLE The duty cycle of a welding generator is the percentageof a ten minute period that a welding generator can beoperated at a given output without causing overheatingand damage to the unit. This welding generator is ratedat 100 percent duty cycle when operated at 800 a...
Page 15 - Stop engine before checking or adding fuel.; A. Oil And Oil Level Indicator; GROUND
OM-166 941 Page 10 4-4. FUEL WARNING: REMOVE FUEL CAP SLOWLY;FUEL SPRAY may cause injury; FUEL maybe under pressure. • Rotate fuel cap slowly and wait until hissingstops before removing cap. ENGINE FUEL can cause fire or explosion. • Stop engine before checking or adding fuel. • Do not spill fuel; i...
Page 16 - RATED WELD OUTPUT; A. Weld Cable Selection; Use the following guidelines to select weld cables:; B. Weld Cable Preparation; Install work clamp onto cable.; C. Weld Output Connections; POSITIVE; Do not touch live electrical parts.; MOVING PARTS can cause serious injury.
OM-166 941 Page 11 4-7. WELD OUTPUT CONNECTIONS (Table 4-1And Figure 4-2) RATED WELD OUTPUT To obtain full rated output from this unit, it is necessary toselect, prepare, and install proper weld cables. Failureto comply in any of these areas may result inunsatisfactory welding performance. A. Weld C...
Page 17 - Close and secure front panel access door.; REMOTE CONTROL CONNECTIONS; REMOTE 9; b. Remote Amperage or Voltage control; Figure 4-2. Lower Front Panel Components And Connections
OM-166 941 Page 12 2. For Shielded Metal Arc Welding (SMAW) and AirCarbon Arc Cutting and Gouging (CAC-A) (Elec-trode Positive/Reverse Polarity), connect weldcables as follows: a. Connect one end of work cable to NEGATIVE(−) weld output terminal. b. Connect end of electrode holder cable to POSI-TIVE...
Page 18 - B. REMOTE Terminal Strip 3T Information And
OM-166 941 Page 13 If supplied remote control cord is not suitable for con-necting to the REMOTE 9 receptacle RC3, proceed withone of the following alternatives; 1. Wire a plug or cord to interface with REMOTE 9receptacle RC3 using socket information in Sec-tion C. 2. Wire remote control cord direct...
Page 19 - AIR COMPRESSOR CONNECTIONS; Open and secure right rear side door.; Figure 4-4. Terminal Strip 3T Information
OM-166 941 Page 14 4-9. AIR COMPRESSOR CONNECTIONS This unit delivers 12 cfm of air at a pressure of 100 psiwhenever the engine is running. A 1/2 in. NPT fitting forair compressor connections is provided on the top coverof the unit. To make connections to the air compressor, obtain andinstall a quic...
Page 20 - ELECTRIC SPARKS can cause fire.; MOVING PARTS can cause serious injury.
OM-166 941 Page 15 SECTION 5 − AUXILIARY POWER POWER OUTPUT WARNING: ELECTRIC SHOCK can kill;MOVING PARTS can cause serious injury;IMPROPER AIR FLOW AND EXPOSURE TOENVIRONMENT can damage internal parts. • Do not touch live electrical parts. • Stop the engine and disconnect negative (−)battery cable ...
Page 21 - A. Auxiliary Equipment Connections To Terminal; Open and secure lower front door.; SECTION 6 − OPERATOR CONTROLS
OM-166 941 Page 16 A. Auxiliary Equipment Connections To Terminal Strip 3T (Figure 4-2) WARNING: Read and follow safety infor-mation at beginning of entire Section 5-2before proceeding. Terminal strip 3T is provided to directly wire the auxiliarypower cord(s) into the unit. To make connections, pro-...
Page 23 - FUEL; MAGNETIC SHUTDOWN SWITCH; BATTERY
OM-166 941 Page 18 6-9. FUEL GAUGE (Figure 6-1) FUEL The FUEL Gauge indicates the level of fuel remaining inthe fuel tank. The unit is equipped with a 30 gallon (114L) fuel tank. 6-10. MAGNETIC SHUTDOWN SWITCH An internal switch automatically shuts down the engineif oil pressure drops to an unsafe l...
Page 24 - SECTION 7 − SEQUENCE OF OPERATION; ENGINE FUEL can cause fire or explosion.
OM-166 941 Page 19 SECTION 7 − SEQUENCE OF OPERATION WARNING: ELECTRIC SHOCK can kill;MOVING PARTS can cause serious injury;IMPROPER AIR FLOW AND EXPOSURE TOENVIRONMENT can damage internal parts. • Do not touch live electrical parts. • Stop the engine and disconnect negative (−)battery cable from ba...
Page 26 - STOPPING THE ENGINE; Shut off gas supply when not in use.
OM-166 941 Page 21 b. Fuel Level WARNING: REMOVE FUEL CAP SLOWLY;FUEL SPRAY may cause injury; FUEL maybe under pressure. • Rotate fuel cap slowly and wait until hissingstops before removing cap. Check fuel level. If necessary, fill tank withfresh, clean fuel (see engine Owner ’s Manualfor fuel speci...
Page 28 - SECTION 8 − MAINTENANCE; Wear correct eye and body protection.; D. Cleaning And Inspecting
OM-166 941 Page 23 SECTION 8 − MAINTENANCE 8-1. ROUTINE MAINTENANCE (Table 8-1) IMPORTANT: Every six months inspect the labels onthis unit for legibility. All precautionary labels must bemaintained in a clearly readable state and replacedwhen necessary. See the Parts List for part numbers ofprecauti...
Page 29 - ENGINE
OM-166 941 Page 24 DEUTZ F4L912 DIESEL ENGINE Check Recommended Oil API Service Classification CD/CE . . . . . Oil And Filter Change dirty conditions 100 hours or less . . . . . . normal conditions 125−150 hours . Oil Filter MILLER 064 677, Deutz 1 17-4418, . . . . . . . . . . . . . . Fleetguard LF4...
Page 31 - B. Sludge Drain Plug; Stop engine before working on fuel system.; Figure 8-2. Right Side And Rear View Of Engine; Locate battery in unit.
OM-166 941 Page 26 8-3. FUEL/WATER SEPARATOR AND SLUDGEDRAIN PLUG WARNING: ENGINE FUEL can cause fire orexplosion. • Do not drain fuel tank while engine is running. • Do not smoke while handling fuel. • Do not allow fuel to drain onto the engine orother components. • Do not spill fuel; if spilled, w...
Page 32 - GOVERNOR
OM-166 941 Page 27 8-6. MAINTENANCE-FREE BATTERY CHARG-ING WARNING: CHARGING A FROZEN BAT-TERY can cause the battery to explode andresult in serious personal injury or damageto equipment. • Allow battery to warm up to 60 ° F (16 ° C) be- fore charging if battery is frozen. BATTERY ACID can burn eyes...
Page 34 - MOVING PARTS can cause severe injury.; Place all load switches in the OFF position.
OM-166 941 Page 29 Removal of the device from the exhaust system is notnecessary for servicing. Proceed as follows to servicespark arrestor: 1. Stop the engine, and allow the exhaust system tocool. 2. Remove the cleanout plug from the bottom of thespark arrestor. If a crust has formed over thehole, ...
Page 36 - SECTION 9 − TROUBLESHOOTING; GENERAL; Keep jumper cables clear of moving parts.
OM-166 941 Page 31 A V Welding Generator Resistance Grid Input And Output Receptacles Weld Cables Voltmeter And Ammeter (If so equipped) Weld Output Terminals (Polarity Not Important) ♦ Voltmeter ♦ Clamp-On DC Ammeter ♦ Required if welding generator is not equipped with meters. S-0457 Diagram 8-2. R...
Page 37 - INCORRECT FUSE can damage unit.; Close and secure front access door.; WARNING: ELECTRIC SHOCK can kill
OM-166 941 Page 32 6. Start engine following procedures outlined inSection 7 (Sequence of Operation) of this man-ual. If the unit does not start after cranking fortwenty seconds, stop the jump starting proce-dure. More than twenty seconds seldom startsthe engine unless some mechanical adjustmentis m...
Page 38 - Replace brushes according to Section 8-9.
OM-166 941 Page 33 9-5. TROUBLESHOOTING (Tables 9-1 Thru 9-4) WARNING: ELECTRIC SHOCK can kill. • Do not touch live electrical parts. • Stop engine, and disconnect the negative (−)battery cable before inspecting, maintaining,or servicing. MOVING PARTS can cause serious injury. • Keep away from movin...
Page 40 - NOTES
Page 41 - Diagram 10-1. Circuit Diagram For Welding Generator; SECTION 10 − ELECTRICAL DIAGRAMS
Diagram 10-1. Circuit Diagram For Welding Generator OM-166 941 Page 36 SECTION 10 − ELECTRICAL DIAGRAMS
Page 43 - SECTION 11 − PARTS LIST; Fig
OM-166 941 Page 38 SECTION 11 − PARTS LIST Figure 11-1A. Main Assembly 1 2 3 4 5 6 7 8 10 11 12 13 14 15 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 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 62 63 ST-800 491-B (1 of 2) 43 16 7 9 Fig 1 1-4 Fig 4 1 36 37 42 1...
Page 55 - Notes