Magnum MPG 3800, Operating & Parts Manual

Page 1: ...PORTABLE GENERATOR MPG 3800 MPG 3800C OPERATING PARTS MANUAL ...

Page 2: ... copy of this manual with the unit at all times Additional copies are available from Magnum Products LLC or can be found at www m p llc com An engine operator s manual was also supplied with the unit at the time of shipment from the factory The manual provides detailed operation and maintenance procedures for the engine Additional copies of this manual are available from the engine manufacturer MA...

Page 3: ...OADS 10 GFCITESTINSTRUCTIONS 10 PREVENTION OF OVERLOAD 10 WATTAGE CONSUMPTION OF EQUIPMENT 11 USE OF EXTENSION CORDS 11 EXTENSION CORD SELECTION CHART 12 ADDING ENGINE OIL 12 ADDING GASOLINE 12 STARTING THE ENGINE 13 POWERING THE LOADS 13 STOPPING THE ENGINE 14 MAINTENANCE SCHEDULE 15 DAILY MAINTENANCE CHECKSAND TIPS 15 LIFTINGTHE GENERATOR 15 UNIT DECALS 16 CONTROL PANELASSEMBLY 17 FRAME AND FUEL...

Page 4: ...exist during operation 1 Noticeable change in engine speed 2 Loss of electrical output 3 Equipment connected to the generator overheats 4 Sparking occurs 5 Engine misfires or there is excessive engine generator vibration 6 Protective covers are loose or missing 7 If the ambient air temperature is above 110 F This is the safety alert symbol It is used to alert you to potential personal injury hazar...

Page 5: ... Sulfuric acid can cause eye damage burn flesh or eat holes in clothing Protective eye wear and clothing are neces sary when working on or around the battery Always disconnect the NEGATIVE battery cable from the corresponding terminal before performing any service on the engine or other components ELECTRICAL SAFETY While the engine is running potentially lethal voltages are present at the outlets ...

Page 6: ...ls These decals provide important operating instructions and warn of dangers and hazards Replace any missing or hard to read decals and use care when washing or cleaning the unit Decal placement and part numbers can be found in the parts section of this manual Below is a summary of the intended meanings for the symbols used on the decals UNIT SERIAL NUMBER LOCATION Read and understand the supplied...

Page 7: ... qty 1 1 Capacities Fuel Tank 6 6 gal 25 L 6 6 gal 25 L Approximate Run time 9 7 hours 9 7 hours Weights and Dimensions Dry Weight 185 lbs 84 kg 185 lbs 84 kg Operating Weight 226 lbs 103 kg 226 lbs 103 kg Dry Weight w Wheel Kit Option 212 lbs 96 kg 212 lbs 96 kg Operating Weight w Wheel Kit Option 253 lbs 115 kg 253 lbs 115 kg Dimensions L x W x H 36 8 x 21 4 x 21 5 in 36 8 x 21 4 x 21 5 in 934 7...

Page 8: ... OFF VALVE UNDER TANK RECOIL STARTER CONTROL PANEL ENGINE STARTING BATTERY BATTERY TRAY OPTIONAL ENGINE EXHAUST WHEEL KIT OPTIONAL HANDLE WHEEL KIT OPTIONAL CENTRAL LIFTING EYE AIR FILTER HOUSING ENGINE CHOKE UNDER TANK COMPONENT LOCATIONS 8 ...

Page 9: ...AGE SWITCH This switch changes voltage on the L14 30R outlet from 120V to 240V D MAIN CIRCUIT BREAKER This unit contains a 16Acircuit breaker E GFCI TEST MODULE This module is the ground fault circuit interrupter to protect all electrical outlets F 120 240V TWIST LOCK CONVENIENCE OUTLET This L14 30R outlet is used to connect additional loads or equipment to the generator G 120V TWIST LOCK CONVENIE...

Page 10: ...OTICE ALWAYS test GFCI outlets before connecting any loads to the generator The device green LED is ON and circuit breaker is at ON position 1 Press the TEST button The green LED should go out and red LED should come on The circuit breaker should trigger to the off position 2 If the LED does not change state or the breaker does not trip DO NOT USE Consult an electrician for assistance 3 Press the ...

Page 11: ...0 BTU 400 Oil Fired Space Heater 85 000 BTU 225 Oil Fired Space Heater 30 000 BTU 150 Paint Sprayer Airless 1 3 hp 600 Paint Sprayer Airless handheld 150 Radio 50 to 200 Submersible Pump 1 1 2 hp 2800 Submersible Pump 1 hp 2000 Submersible Pump 1 2 hp 1500 Sump Pump 800 to 1050 Table Saw 10 1750 to 2000 Weed Trimmer 500 Allow three times the listed watts for starting these devices USE OF EXTENSION...

Page 12: ...70 90 180 45 90 30 60 60 120 3 Tighten gasoline cap after filling the fuel tank OPERATING THE GENERATOR ADDING GASOLINE 1 Remove the gasoline cap 2 Carefully fill the fuel tank with UNLEADED gasoline DO NOT use premium gasoline DO NOT overfill Allow approximately 1 2 tank space for fuel expansion EXTENSION CORD SELECTION CHART Keep extension cords as short as possible preferably less than 15 feet ...

Page 13: ...sion cords For the 120 240V NEMA L4 30A outlet select the proper output voltage for the outlet and the equipment that will be connected to it 2 Switch the main circuit breaker on The equipment connected to the generator is now ready to use 3 If the main circuit breaker is overloaded it will trip or switch off Verify that the loads connected to the generator are within the generator s output range ...

Page 14: ...low stabilization of the internal temperatures of the engine and generator 4 Turn the unit off 5 Close the fuel shut off valve 1 Shut off all loads and unplug electrical loads from the control panel receptacles 14 NEVER start or stop the engine while electrical devices are plugged in and turned on doing so may result in property damage or personal injury CAUTION ...

Page 15: ... valve clearance Clean combustion chamber Clean fuel tank and filter Check fuel tube Visual walk around inspection Every 500 hours Every 2 years Every 1 year After initial break in change the engine oil and filter Oil change interval can then be extended to 100 hours MAINTENANCE SCHEDULE A large central lifting eye is located on the top of the generator and the eye is connected to the frame of the...

Page 16: ...ding s electrical system can allow electrical current from the generator to backfeed into utility lines This may result in electrocution of utility workers fire or explosion Connections to a building s electrical system must be made by a qualified electrician and comply with all applicable laws and electrical codes La conexion incorrecta de un generador al sistema electrico de un edificio puede co...

Page 17: ... 240V 9 26233 1 Switch 120V 240V 10 60398 4 Screw 10 32X 500 pan phil 316 SS 11 60181 4 Screw M3 0 50X5panphil 12 60091 4 Screw M4 0 70X12 pan phil G4 8 13 60051 4 Nut M4 70 nylock G8 8 14 65874 1 Switch rocker idle select 15 65873 1 Switch rocker on off 16 19211 1 Tether cable 10 50 long 17 60161 7 Nut 250 20 sflg G5 18 60046 5 Screw 6 32X 750 pan phil G2 19 60290 5 Nut 6 32 nylk 18 8 SS 20 60061...

Page 18: ...18 FRAME AND FUEL TANK ASSEMBLY 1 18 3 2 21 4 5 6 7 6 8 22 19 29 28 33 32 9 10 11 13 31 13 30 14 13 10 12 29 28 15 16 17 26 27 19 20 20 23 22 19 27 27 8 34 35 36 6 25 24 37 ...

Page 19: ...19 60309 6 Washer flat 500 SAE 20 61152 4 Washer 500 flat 03TH nylon 21 24920B 1 Bracket lift eye 22 60307 4 Nut 500 13 nylock 23 61147 2 Nut 312 18 U clip G5 ZY long type 24 60168 1 Screw 312 18X 750 hx hd G5 25 60095 1 Nut 312 18 ser flg G5 case hardened 50380 521 ft Hose fuel 250IDMPGcarbcertified notshown 14216 2 Clamp hose SAE 21 62 miniature notshown OPTIONALFEATURES 26 26088B 1 Weldment lif...

Page 20: ...O FRAME TO FRAME TO FRAME ENGINE AND GENERATOR ASSEMBLY 20 1 13 2 1 2 3 4 5 10 2 9 1 2 7 3 3 38 11 15 16 14 12 17 18 19 8 24 26 25 18 6 19 24 17 23 20 22 21 17 27 19 18 18 30 29 28 31 32 33 34 35 36 33 37 39 39 40 ...

Page 21: ...split lock 500 23 60275 1 Screw 500 13X1 000hxhd 24 60478 2 Screw 375 16X2 000 hx hd G5 25 24923B 1 Bracket mount 26 60205 2 Screw 375 16X1 000hxhd 27 Terminal ground 28 12927 1 Nut 375 16 wing 316 SS 29 60352 4 Screw 375 16X1 250hxhd 30 28492 1 Generator MPG3800 27083 1 Generator MPG3800C 31 26411 1 Housing front 32 60972 2 Screw 312 18X1 500hxhd 33 60020 6 Nut M8 ser flg lock 34 28483 2 Isolator...

Page 22: ... 14 15 W X X GRN YEL WHT WHT WHT BLK YEL WHT RED BLK BLU RED BLK BLU WHT RED RED BLK BLK BLK BLK BLK BLK BLK BLU BLU GRN RD WT RD WT GRN BLU WIRES MUST BE TWISTED TOGETHER GOING THRU CT 2 6 10 14 3 7 11 15 4 8 12 16 120 240 TWIST 120 TWIST 120 RECP 1 120 RECP 2 BLU BLU BLK BLK BLU BLK YEL GRN YEL RED RED WHT WHT WHT BLK BLK WHT RED RED BLK RED WHT WHT BLK WHT ...

Page 23: ...TCH IDLE RUN SWITCH IDLE RUN MODULE GRN RED BLU ORN IDLE RUN SOLENOID SHUTDOWN SOLENOID COIL OIL LEVEL SWITCH OIL ALERT UNIT CHARGE COIL RECTIFIER START SWITCH STARTER GENERATOR WHT BLK WHT BLK GRN RED ORN GRY GRY BLK BLK 1 2 3 4 1 2 ...

Page 24: ...REV B PART NO 26126 02 04 09 ...