Gebruiksaanwijzing /service van het product Bobcat 225G van de fabrikant Miller Electric
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OWNER’S MANUAL January 1997 Form: OM-175 104B Effective With Serial No. KG191348 cover_om 4/95 – Ref. ST -801 188-A PRINTED IN USA 1997 MILLER Electric Mfg.
OM-175 104B – 1/97 T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS FOR ARC WELDING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-175 104 Page 1 SECTION 1 – SAFETY PRECAUTIONS FOR ARC WELDING safety_rom1 4/95 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. This group of symbols means W arning! Watch Out! possible ELECTRIC SHOCK, MOVING P ARTS, and HOT P AR TS hazards.
OM-175 104 Page 2 CYLINDERS can explode if damaged. Shielding gas cylinders contain gas under high pressure. If damaged, a cylinder can explode. Since gas cylinders are normally part of the welding process, be sure to treat them carefully .
OM-175 104 Page 3 1-4. Additional Installation, Operation, And Maintenance Hazards MOVING P ARTS can cause injury . 1. Before working of generator , remove spark plugs or injectors to keep engine from kicking back or starting. 2. Block flywheel so that it will not turn while working on generator components.
OM-175 104 Page 4 SECTION 2 – DEFINITIONS 2-1. 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 Engin.
OM-175 104 Page 5 SECTION 3 – INST ALLA TION 3-1. Installing Welding Generator install1* 3/96 – Ref. ST -800 652 / Ref. ST -800 477-A / ST -158 936-A / S-0854 1 2 Electrically bond generator frame to vehicle frame by metal-to-metal contact.
OM-175 104 Page 6 3-3. Fuel Consumption Ref. SB-179 939 0.0 0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0 0 25 50 75 100 125 150 175 200 225 250 275 7.57 6.62 5.67 4.73 3.78 2.84 1.89 0.95 1.67 1.46 1.25 1.04 0.84 0.63 0.42 0.21 LITERS/HR. IMP. GAS/HR. U.S. GAL/HR.
OM-175 104 Page 7 3-5. Connecting The Battery Ref. ST -800 394-B / Ref. ST -178 079-A / Ref. S-0756-D + – 3/8, 1/2 in Connect (–) cable last. T ools Needed: 3-6. W eld Output T erminals And Selecting Cable Sizes ARC WELDING can cause Electromagnetic Interference.
OM-175 104 Page 8 SECTION 4 – OPERA TING WELDING GENERA T OR 4-1. Front Panel Controls Ref. ST -178 079-A 1 Engine Control Switch Use switch to start engine, select speed, and stop engine. In Run/Idle position, en- gine runs at idle speed at no load, and weld/ power speed under load.
OM-175 104 Page 9 4-2. Duty Cycle SB-1 19 454-A Duty cycle is the percentage of 10 minutes that unit can weld at rated load without overheating. Exceeding duty cycle can damage unit and void war- ranty .
OM-175 104 Page 10 SECTION 5 – OPERA TING AUXILIAR Y EQUIPMENT 5-1. Standard Receptacles Ref. ST -178 079-A Auxiliary power decreases as weld current increases. Set Fine Adjust control R1 at 10 for full auxiliary power . 1 120 V 15 A AC Receptacles GFCI-2 And GFCI-3 GFCI-2 and GFCI-3 supply 60 Hz single-phase power at weld/power speed.
OM-175 104 Page 1 1 5-2. Optional Auxiliary Power Receptacles Y If unit does not have GFCI receptacles, use GFCI-pro- tected extension cord. . Auxiliary power decreases as weld current increases. Set Fine Adjust control R1 at 10 for full auxiliary power .
OM-175 104 Page 12 5-3. Wiring Optional 240 V olt Plug ST -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 receptacle.
OM-175 104 Page 13 SECTION 6 – MAINTENANCE AND TROUBLESHOOTING 6-1. Routine Maintenance Recycle engine fluids. Y Stop engine before maintaining. . See also Engine Manual and mainte- nance label. Service engine more often if used in severe conditions.
OM-175 104 Page 14 6-2. Maintenance Label S-173 088 ° C +30 +20 +10 0 -10 -20 -30 ° F KOHLER CH18 GAS ENGINE Check 5W-20, 5W-30 0 +32 10W-30, 10W-40 +100 Recommended Oil API Service Classification SF-SG/CC-CD . . . Oil Change 100 hours . . . . . . .
OM-175 104 Page 15 6-4. Changing Engine Oil, Oil Filter , And Fuel Filter Ref. ST -801 188-A / Ref. ST -801 221 / Ref. ST -178 079-A / ST -800 395 / S-0842 Stop engine and let cool. 1 Oil Drain V alve 2 1/2 ID x 12 in Hose 3 Oil Filter 4 Oil Fill Cap 5 Oil Dipstick Change engine oil and filter ac- cording to engine owner ’ s manual.
OM-175 104 Page 16 6-5. Adjusting Engine Speed Ref. ST -801 188-A / ST -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. T urn Fine Adjust control to 10.
OM-175 104 Page 17 6-6. Overload Protection ST -801 226-A / Ref. ST -801 221 Y Stop engine. 1 Fuse F1 (See Parts List) F1 protects the generator excita- tion circuit. If F1 opens, there will be no/low weld and auxiliary power output. 2 Fuse F6 (See Parts List) F6 protects the engine wiring har- ness.
OM-175 104 Page 18 6-8. T roubleshooting A. Welding T rouble Remedy No weld output. Check control settings. Check weld connections. Check fuse F1 and replace if open (see Section 6-6). Be sure all equipment is disconnected from receptacles when starting unit.
OM-175 104 Page 19 C. Engine T rouble Remedy Engine will not crank. Check fuse F6, and replace if open (see Section 6-6). Check battery voltage. Check battery connections and tighten if necessary . Check plug PLG4 and plug PLG8 connections. Have Factory Authorized Service Agent check Engine Control switch S2.
OM-175 104 Page 20 SECTION 7 – ELECTRICAL DIAGRAM SB-180 690-B Figure 7-1. Circuit Diagram For W elding Generator.
OM-175 104 Page 22 SECTION 8 – P ARTS LIST 1 2 3 45 6 7 8 9 10 14 11 13 15 23 21 34 36 41 42 Fig 8-2 Fig 8-3 Figure 8-1. Main Assembly ST -801 432-B 22 16 17 18 19 20 24 25 26 27 28 29 30 31 32 33 3.
OM-175 104 Page 23 Description Part No. Dia. Mkgs. Item No. Figure 8-1. Main Assembly Quantity 1 +159 907 COVER, top 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-175 104 Page 24 Description Part No. Dia. Mkgs. Item No. Figure 8-2. Panel, Front w/Components (Fig 8-1 Item 44) Quantity 1 S1 162 671 SWITCH, polarity 5 position 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-175 104 Page 25 Description Part No. Item No. Figure 8-3. Generator (Fig 8-1 Item 21) Quantity 1 013 367 LABEL, warning moving parts can cause serious injury 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 165 818 LABEL, warning engine fuel can cause fire 1 .
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