Master Lock MGH3000PR User's Manual
Contents
1. PORTABLE GASOLINE GENERATORS OWNER S OPERATION AND INSTALLATION MANUAL O SOY NYO Bx Ox BSS Si WW 3 _ Bt SS Generator Models HWI3000 MGH3000 MGH3000PR MGH4000C MGH4000Cl MGH5000C MGH5000CI MGHS5000CIE MGH6000C MGH6000CI MGH7000C MGH7000CI and MGH10000 IMPORTANT Read and understand this manual before operating or servicing generator Improper use of generator can cause serious injury Keep this manual for future reference MASTER PORTABLE GASOLINE GENERATORS SAFETY INFORMATION A WARNINGS IMPORTANT Read this owner s manual and the engine owner s manual carefully Become famil iar with this generator before try ing to operate or service it Know its uses limitations and any haz ards involved Improper use of generator can cause severe in jury or death from explosion fire burns electrical shock or car bon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death Engine exhaust contains poisonous carbon monoxide gas Overexposure will cause loss of consciousness and will lead to death Use only in well vented areas Make sure area has plenty of free moving fresh outside air Never run generator in an enclosed or confined area Never run generator inside occupied building Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning re semble the flu with headaches dizziness and nausea If you have these signs get fresh air2. 120V 30A Receptacle reen White i 120V 15A 120V 15A Receptacle Phase Stator T1 T2 T3 T4 LA 220 240V Lo 110120V 110 120V Rotor Stator Figure 27 Wiring Diagram Models MGH4000C MGH5000C MGH5000CIE and MGH6000C Continued 105420 15 PORTABLE GASOLINE GENERATORS WIRING DIAGRAMS Continued Green Yellow T1 Auto ldle Control Board To Auto ldle Solenoid Figure 29 Wiring Diagram Model MGH10000 120 240V 30A Receptacle _ E 120V 15A Receptacle 120V 15A Receptacle 120V 15A Receptacle Circuit Breaker 20A Circuit Breaker 20A Main Auxiliary Windings Phase Stator T4 Rotor Stator T1 T2 T3 T4 110 120V 110 120V GFCI 125V 15A 125V 30A 250V 30A Receptacle Receptacle Receptacle 125V 15A Receptacle Circuit Breaker 20A Stator Th T2 73 Tal a L2 Li 110 120V 110 120V 16 105420 REPLACEMENT PARTS AND ACCESSORIES For original replacement parts and accesso ries contact your nearest Authorized Dealer or Authorized Service Center for this prod uct If they can not supply the part or acces sory contact your nearest Parts Central listed on page 17 Each Authorized Dealer Au thorized Service Center and Parts Central is independently owned and operated See pages 18 through 27 for an Illustrated Parts List If you nee
3. generator is wet or damp Oper ating generator in these condi tions increases the risk of elec trocution Severe injury or death can occur Do not use generator in extremely dusty or dirty conditions This will severely affect its life Keep generator clean Do not allow dust dirt rain or snow to collect on it Protect generator from outdoor elements HIGH AND LOW TEMPERATURE OPERATION Air temperature affects generator output Output drops 1 for each 10 temperature rise above 60 F Very low temperatures may make the engine hard to start See engine owner s manual for more information 105420 SPECIFICATIONS MODEL HWI3000 MGH3000 MGH3000PR Electrical Rated Wattage 2500 2500 2500 Rated Amperage 120 V 20 8 20 8 20 8 240 V Receptacle 120 V Duplex 120 V 20 A Duplex Yes 120 V 15 A GFCI No Yes Yes 120 V Twist Lock No No No 120 240 V Twist Lock No No No 120 V Full Power Switch No No No 120 240 V 5 0 A No No No General Honda Engine H P 5 5 5 5 5 0 Honda Model GX160K1VX GX160K1VX GC160VXA Fuel Type Gasoline Gasoline Gasoline Fuel Tank Capacity 3 9 qt 3 9 qt 3 9 qt Oil Alert System Yes Yes Yes Start Method Recoil Recoil Recoil Weight pounds 85 5 85 5 84 Single phase 1 0 power factor MGH4000C MGH4000Cl 4000 33 3 16 7 Yes Yes 30 Amp 20 Amp Yes No 8 GX240K1VA Gasoline 5 gal Yes Recoil 139 OWNER S MANUAL MGH5000C MGH5000Cl MGH5000C
4. Do not spill fuel Fuel or fuel vapor may ignite If fuel spills make sure area is dry before starting engine e Never smoke in refueling area Never allow open flames or sparks in area e Store fuel in approved container Store fuel in a well vented area free of open flames or sparks Guard against fire hazard Keep opera tion area well vented Keep generator at least three feet away from any ob ject Do not place flammable objects near generator e Do not use generator where flam mable vapors are present Some va pors are heavier than air These va pors settle in low lying places e Do not use generator in enclosed spaces This includes motor home or RV generator compartments Guard against electric shock Generator produces high voltage This high voltage can cause severe electric shock Only re sponsible adults should use generator e Properly ground generator before starting e Never let anyone operate or service generator without proper instruc tions e Avoid contact with live terminals or bare wires e Do not use generator outdoors in rain or snow e Do not use generator near standing water or snow e Do not use if generator is wet or damp e Do not use generator in highly con ductive areas These areas include metal decking and steelwork e Only use grounded extension cords e Do not use any worn or damaged electric cords Electric shock or dam age to generator may result e Do not wear damp
5. 26333000 Screw M4 x 20 099863 01 Terminal Block BR BR Po SH BR S HR Ss Ss 099701 01 Screw M5 x 13 099866 03 Safety Information Decal 099848 01 End Plate 099866 04 Safety Information Decal 17587000 Ground Lug 099867 02 Operation Decal t Includes fastening hardware Includes reference numbers 1 through 22 Parts not available Included in alternator assembly A Standard hardware item 105420 ILLUSTRATED PARTS LIST For Models MGH4000C MGH4000Cl MGH5000C MGH5000CI MGH5000CIE MGH6000C MGH6000CI MGH7000C and MGH7000Cl Alternator Assembly This list contains replaceable parts used in your generator When ordering parts fol low the instructions listed under Replace ment Parts on page 17 of this manual KEY MGH4000C MGH4000Cl 099723 01 099844 01 099701 01 099760 01 099863 01 099863 02 17587000 M11084 26 099847 01 WLE 5 099843 01 27004002S OOnNDOBRWNDN 27003002 27003015S 099891 01 099892 01 099842 01 27003003 270030125 27003008 270030075 26322004 WLE 6 MGH5000C MGH5000Cl MGHS5000CIE 099723 02 099844 01 099701 01 099760 01 099863 01 099863 02 17587000 M11084 26 099847 02 WLE 5 099843 01 27005003S 27003002 27003015S 099891 01 099892 01 099842 02 27003003 270030125 27003008 270030075 26322004 WLE 6 PART NUMBER FOR MODEL MGH6000C MGH6000CI 099723 03 099844 01 099701 01 099760 01 099863 02 17587000 M11084 26
6. 30 Amp Circuit Breaker Bushing Control Box Rocker Switch 120V 15A Duplex Receptacle Control Panel Assembly Panel Schematic Diagram Auto Idle PC Board Kit Solenoid Assembly Kit With Bracket t Includes reference numbers 1 through 16 A Not shown 105420 27 103182 01 22616009 099833 01 100410 01 22261000 100445 01 103183 01 103184 01 26299000 101350 01 099834 01 22616010 099760 01 103185 01 100366 01 15324000 102927 01 100177 05 103257 01 103258 02 OWNER S MANUAL pS Ma Ca Cab WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied Note The five year limited warranty below covers all non engine parts of this generator including the alternator Honda warrants the engine See engine owner s manual for engine warranty information FIVE YEAR LIMITED WARRANTY GASOLINE PORTABLE GENERATORS DESA Power Tools warrants each alternator generator or electric product of its manufacture to be free from defects in material and workmanship for five years from the date of first purchase from an authorized dealer provided that the product has been properly installed maint
7. Choke Lever Closed Position N is N p a A fan Se A Fuel Valve Lever ON Position Figure 17 Fuel Valve Lever On Choke Lever Closed Model MGH4000C Shown Choke Button Pulled Out Closed Position Figure 18 Choke Rod Closed Model MGH3000PR Only Choke Button Pulled Out Closed Position was 9 P Figure 19 Choke Button Closed Model MGH10000 Only Figure 20 Engine Lever In ON Position Model MGH3000PR Only ENGINE SW ON OFF Figure 21 Engine Switch In ON Position All Models Except MGH5000CIE MGH7000C MGH7000CI MGH10000 and MGH3000PR N a START O OFF N Engine Switch Figure 22 Engine Switch Models MGH5000CIE MGH7000C MGH7000CI and MGH10000 Only Choke Lever Open Position ea N Figure 23 Choke Lever Opened Model MGH7000C Shown HIGH ALTITUDE OPERATION This generator will not perform well at high altitudes without proper adjustment See engine owner s manual for details ADDING ELECTRICAL LOADS IMPORTANT Do not overload generator Make sure total wattage of all electrical loads does not exceed rated wattage of generator Overloading may shorten generator life It could also cause internal damage to genera tor Overloading will trip circuit breaker IMPORTANT All models except HWI3000 MGH3000 MGH3000PR MGH7000C MGH7000CI and MGH10000 Keep full
8. clothing and face shield when servicing Keep out of children s reach e If battery acid gets on your skin wash with water If battery acid gets in your eyes flush with water at least 15 min utes Call a doctor at once Battery acid is poisonous If swallowed drink large amounts of water or milk Fol low with milk of magnesia or vegetable oil Call a doctor at once A CAUTION If you remove bat tery insulate the red positive battery cable terminal Insulate with electrical tape Exposed ter minal may spark when generator runs IMPORTANT Make sure battery connec tions are the correct polarity Electric start generators use negative ground 12 volt DC starting system Models MGHSO000CIE MGH7000C MGH7000CI and MGH10000 have an elec tric starter A battery is not supplied with generator You must provide a 12 volt 32 amp hour battery The positive and nega tive battery cables are supplied with genera tor You must install these cables before mounting battery Always wear safety glasses when working with battery Make sure battery terminals are clean Make sure cable connections are tight Always shut down engine before removing or attaching battery cables Always remove the negative cable first Always attach negative cable last INSTALLING BATTERY CABLES TO ENGINE 1 Attach the red positive battery cable to the starter solenoid on engine see Figure 8 The starter solenoid i
9. this time IMPORTANT You must press the RESET button firmly and fully It should lock into place If the GFCI does not lock into place do not use receptacle Contact a qualified electrician for repairs 105420 GENERATOR FEATURES Continued Figure 4 GFCI Receptacle ENGINE CIRCUIT BREAKER Models MGH5O00CIE MGH7000C MGH7000CI and MGH10000 This circuit breaker or fuse protects the battery charging circuit A short circuit will trip the circuit breaker The circuit breaker will also trip if you install battery wrong Push circuit breaker button to reset On Model MGH10000 the fuse is located in side of the _ box OFF 2 START Engine Circuit Breaker Button gt ot sh OFF Figure 5 Engine Circuit Breaker RECEPTACLE CIRCUIT BREAKER The circuit breakers protect the receptacles and alternator Overloading generator will trip circuit breaker A short circuit in item being powered will also trip breaker If this occurs unplug electrical load from recep tacle Let circuit breaker cool down Push circuit breaker button to reset Electric motors need higher starting current They require up to three times their rated wattage to start The starting current needed may be too high This can cause nuisance circuit breaker tripping To help prevent this start electric motors first Connect ad ditional items to generator after starting motors If this continues to hap
10. OFF position see Figure 24 4 Turn fuel valve lever off except model MGH3000PR Do this by moving valve lever fully to the left see Figure 25 105420 OWNER S MANUAL Model MGH3000PR ENGINE SW Models HW13000 om MGH3000 MGH4000C OFF MGH4000CI MGH5000C MGH5000Cl MGH6000C and MGH6000CI Models MGH5000CIE MGH7000C MGH7000Cl and MGH10000 ON OFF a START CIRCUIT BREAKER Figure 24 Engine Switch In OFF Position Fuel Valve Lever Off Position Figure 25 Fuel Valve Lever Off Model MGH7000C Shown 13 MAINTENANCE AND REPAIRS A WARNING Only a qualified electrical service person should service and repair the alternator on this generator Use only fac tory approved replacement parts A CAUTION The engine speed is preset The throttle is locked in preset position Do not adjust throttle Preset position lets en gine run at 3600 RPM under load The engine must maintain 3600 RPM for generator to create cor rect voltage Running engine at lower speeds will damage gen erator and powered items A CAUTION Shut off generator before performing maintenance IMPORTANT Keep generator level when servicing Never turn generator upside down or stand it on end to service Note We supply the engine owner s manual with generator Refer to that manual for questions concerning engine maintenance and repairs Non engine parts require little maintenance
11. clothing or wet shoes when using generator Guard against burns Hot engine parts can cause severe injury Use caution and remain alert when using generator e Keep children and animals away from generator while it is running or hot e Keep all covers and shields in place Keep them tightly secured e The muffler becomes very hot dur ing operation The muffler remains hot for a while after shutdown Do not touch muffler while it is hot Do not let muffler touch anything flam mable Let engine cool before trans porting or storing Have standby installation to home or building performed by a licensed elec trician Do not let anyone else wire into a utility circuit Personal injury equip ment damage or damage to home could occur Never connect generator to any exist ing electrical circuits The generator output will back feed into the utility power line This may electrocute a power company line repair person Also if generator is powering electri cal circuits the chance of an electrical fire exists Battery gives off explosive gases Keep sparks flames and cigarettes away Do not remove or install battery cables when engine is cranking or running Only service or use battery in a well vented area Battery contains sulfuric acid Battery acid is poisonous if swallowed Con tact with skin or eyes may cause severe burns Do not tilt generator with bat tery installed Tilting could cause bat tery acid to spi
12. 00 M51043 01 26302006 19508001 25985006 WLE 6 102752 01 103880 01 NEC 5C 14138000 17529000 WLE 5 HC6 10C WP 6C HC5 11C 102962 01 099750 01 099749 01 102933 01 100410 01 M10908 74 WP 5C 26007004 WP 4C WLI 8 H8C5 20C 102920 01 103046 01 103057 01 102936 01 100135 01 WP 16C 102932 01 C4 12C 099742 01 BR NN e 00 NNANANNYNANADRAANMNANANAAAwWHA PARTS AVAILABLE NOT SHOWN Safety Information Decal Operation Decal Red Battery Cable Positive Black Battery Cable Negative Grommet Screw 250 x 75 Wheel Kit Hardware Muffler 25 099866 02 100003 04 099873 04 099873 02 03157000 HC4 6C 103818 01 103047 01 MASTER PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Models MGH4000C MGH4000Cl MGH5000C MGH5000Cl MGH5000CIE MGH6000C MGH6000CI MGH7000C and MGH7O00CI Control Panel This list contains replaceable parts used in your generator When ordering parts fol low the instructions listed under Replace ment Parts on page 17 of this manual PART NUMBER FOR MODEL MGH5000C MGH5000CI MGH5000CIE MGH4000C MGH4000Cl MGH6000C MGH6000CI MGH7000C MGH7000CI DESCRIPTION 103349 01 22616009 099833 01 15324000 100445 01 099956 01 22616009 099834 01 101350 01 099760 01 100410 01 100149 01 22261000 099997 01 103348 01 103348 05 100177 07 103349 02 22616009 099833 01 15324000 100445 01 099956 01 22616011 09
13. 000CI MGH5000C MGH5000Cl MGH6000C and MGH6000CI Models MGH5000CIE MGH7000C MGH7000Cl and MGH10000 OFF rA START D CIRCUIT BREAKER Figure 2 Engine Switch Location FULL POWER SELECTOR SWITCH All models except HWI3000 MGH3000 MGH3000PR MGH7000C MGH7000CI and MGH10000 have a full power selector switch on the control panel The switch has two positions 120 VOLT ONLY and 120 240 VOLT 120 VOLT ONLY This position sends full power to the 120V receptacles only 240V power is not available Use this position when powering 120V items only 120 240 VOLT This position sends full power to the 120 240V receptacle It also powers the 120V receptacles at reduced wattage capacity Full Power 120 V 120 ONLY 240V Selector ENM 0000000 HOURS 1 10 120 VOLT ONLY Position Full Power 120 V ONLY Selector ENM 0000000 HOURS 1 10 120 240 VOLT Position Figure 3 Full Power Selector Switch IMPORTANT Do not move the full power selector switch while powering electrical items Unplug all items before moving switch Failure to do so can damage switch Models HWI3000 MGH3000 MGH3000PR MGH7000C MGH7000CI and MGH 10000 do not have this switch These models pro vide full power to all receptacles ELECTRIC START Models MGH5O00CIE MGH7000C MGH7O00CI and MGH10000 Models MGHS000CIE MGH7000C MGH7000CI and MGH10000 have elec tric starters A battery is not suppl
14. 099847 03 WLE 5 099843 01 099845 01 100054 01 27003002 27003015S 099891 01 099892 01 099842 03 27003003 270030125 27003008 270030075 26322004 WLE 6 Part not available by itself Must purchase Alternator Assembly A Standard hardware item 105420 OWNER S MANUAL MGH7000C MGH7000Cl 099723 04 099844 01 099701 01 099760 01 099863 02 17587000 M11084 26 099847 04 WLE 5 099843 01 27007004S 100054 01 27003002 27003015S 099891 01 099892 01 099842 04 27003003 270030125 27003008 270030075 26322004 WLE 6 DESCRIPTION Alternator Assembly End Cover Screw M5 x 13 Bushing Terminal Block 4 block Terminal Block 2 block Ground Lug Screw 10 16 x 3 8 Stator Bolt Lock Washer 5 16 Bearing Housing Capacitor Terminal Post Stator Fan Bracket Screw M8 x 20A Rotor Nut Flanged 8mm Foam Pad Draw Bolt Bearing Diode Rotor Fan Engine Flange Bolt 3 8 16 x 5 8 A Lock Washer 3 8 KR BR PY LR ARS BRA Ss SS CE ILLUSTRATED PARTS LIST For Model MGH10000 Alternator Assembly This list contains replaceable parts used in your generator When ordering parts follow the instructions listed under Replacement Parts on page 17 of this manual MASTER PORTABLE GASOLINE GENERATORS Stator Rotor Draw Bolt Fan Balancing Disc Lifting Eyes D E Bracket N D E Bracket Mounting Bolts Nuts Top Box Screw and W
15. 360 watts 3 Electric motors present a special problem They require up to three times their rated wattage to start Chart 2 below shows starting watts for different size motors For example an electric motor nameplate states 5 amps at 120 volts 5 amps x 120 volts 600 watts running Multiply this figure by 3 This will show the starting watts needed 600 watts x 3 1800 watts to start When figuring the generator load for motors you must use the starting watts figure Do not use the running watts fig ure Note Some motors require nearly the same wattage to run as to start These items include saws drills hair dryers and food mixers See Chart 1 for typical appliance wattage examples 4 Add watts and starting watts of all items This total must not be larger than the rated wattage of your generator It is a good idea to have up to 25 extra capacity for future needs or extra equipment Chart 1 Typical Electric Appliance Wattages Running Starting Running Starting Watts Watts Watts Watts Light bulb 100W Radio Fan 600 Television Furnace fan 1 3 hp with blower Vacuum cleaner Sump pump 1 3 hp Refrigerator freezer 6 Circular saw Floodlight Chart 2 1 2 Drill Toaster Coffee maker Skillet 14 Chain saw Water well pump 1 2 hp Hot plate range per burner 10 Table saw Water heater storage type Approximate Starting Watts Universal Motors Approximate Running sma
16. 9834 01 101350 01 099760 01 100410 01 100149 01 22261000 099997 01 103348 02 103348 06 100177 07 Includes fastening hardware A Not shown t Includes reference numbers 1 through 13 103349 03 22616009 099833 01 15324000 100445 01 099956 01 22616010 099834 01 101350 01 099760 01 100410 01 100149 01 22261000 099997 01 103348 03 103348 07 100177 07 103349 04 22616009 099833 01 15324000 100445 01 22616010 099835 01 101350 01 099760 01 100410 01 100149 01 22261000 099997 01 103348 04 103348 08 100177 07 26 Control Panel Circuit Breaker 20 Amp 120V 30A Twist Lock Receptacle 120V 15A Duplex Receptacle 120V 15A Duplex GFCI Receptacle Full Power Selector Switch Circuit Breaker 20 Amp Circuit Breaker 25 Amp Circuit Breaker 30 Amp 120 240V 20A Twist Lock Receptacle 120 240V 30A Twist Lock Receptacle Hour Meter Bushing Sems Screw 8 18 x 1 2 Control Box U Nut Switch Plug Control Panel Assembly Control Panel Assembly Auto Idle Models Panel Schematic Decal 2 1 i 4 i 2 2 2 i i i 4 i 8 1 1 1 1 105420 ILLUSTRATED PARTS LIST For Model MGH10000 Control Panel Control Panel 20 Amp Circuit Breaker 120V 30A Twist Lock Receptacle 8 18 x 1 2 Sems Screw U Nut 120V 15A Duplex GFCI Receptacle 125 250V 50A Receptacle 45 Amp Circuit Breaker Run Light Hour Meter 120 240V 20A Twist Lock Receptacle
17. A Distributors 555 Hickory Hills Blvd Nashville TN 37189 9244 615 299 8777 1 800 264 0225 Industrial Hardware 4109 Bainbridge Blvd Chesapeake VA 23324 1403 804 543 2232 1 800 788 0008 catatem erols com Mills Lawn and Garden 928 Commonwealth Place Virginia Beach VA 23464 757 361 9293 www imills parts com Tuco Industrial Products 5223 180th Street SW Suite 4A 1 Lynnwood WA 98037 4506 425 743 9533 1 800 735 1268 www tucoheat com MASTER PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Models HWI3000 MGH3000 and MGH3000PR Alternator Assembly This list contains replaceable parts used in your generator When ordering parts fol low the instructions listed under Replace ment Parts on page 17 of this manual B KEY PART KEY PART NO NUMBER DESCRIPTION QTY NO NUMBER DESCRIPTION QTY 10 099722 01 Alternator Assembly 099891 01 Flanged Nut 8mm HWI3000 11 099861 01 Bottom Cover 099722 02 Alternator Assembly 12 099842 01 Draw Bolt MGH3000 26310000 Screw M6 x 164A and MGH3000PR 27001005S Engine Flange 099849 01 Top Cover HWI3000 WLE 4 Lock Washer 1 4 100074 01 Top Cover MGH3000 Stator 104201 01 120V 20A Duplex 27001002 Bearing Receptacle HWI3000 T 27001009S Diode 100445 01 120V 15A Duplex GFCI i Rotor Receptacle MGH3000 T 27001006 Fan 22616009 Circuit Breaker 20 Amp T 26327006 Bolt 5 16 24 x 5 8 27002002S Capacitor WLE 5 Lock Washer 5 16
18. Configurations PRESTART Operate generator on a firm dry and clean surface The surface must be level Protect generator from heavy dust sand dirt rain or snow Do not locate generator near stand ing water and snow Make sure area is well vented AX WARNING Only responsible adults should use generator Never let anyone operate genera tor without proper instructions Note If oil level is too low oil alert system will keep engine from starting see Oil Alert System page 6 Make sure oil level is full before starting See Engine Oil page 7 Before starting the engine disconnect all electric loads from generator STARTING IMPORTANT The engine speed is preset The throttle is locked in preset position Do not adjust throttle Preset position lets en gine run at 3600 RPM under load The engine must maintain 3600 RPM for gen erator to create correct voltage Running engine at lower speeds will damage genera tor and powered items IMPORTANT Never start generator with electrical loads connected Start engine be fore adding electrical loads 1 Make sure gasoline tank is full See Fuel page 7 for fuel information 2 Move fuel valve lever to the ON posi tion except on model MGH3000PR see Figure 17 3 Move choke lever fully to the left for all models except MGH3000PR and MGH10000 see Figure 17 Pull choke rod for model MGH3000PR or choke button for model MGH10000 out see Figures 18 and 19 T
19. IE 5000 41 7 20 8 Yes Yes 30 Amp 20 Amp Yes No 9 GX270VA Gasoline 5 gal Yes Recoil Elec 173 MGH6000C MGH6000Cl 6000 50 25 Yes Yes 30 Amp 20 Amp Yes No 11 GX340K1VA Gasoline 5 gal Yes Recoil 191 MGH7000C MGH7000CI MGH10000 7000 10 000 57 83 3 28 3 41 7 Yes Yes Yes Yes 30 Amp 30 Amp 30 Amp 30 Amp No No No Yes 13 20 GX390K1VXE GX620VXA3 Gasoline Gasoline 5 gal 5 gal Yes Yes Electric Electric 247 325 Note Ratings apply to SAE standard conditions Reduce ratings 3 2 for each 1000 feet above sea level and 1 for each 10 Fahrenheit rise above 60 F 105420 MASTER PORTABLE GASOLINE GENERATORS GENERATOR FEATURES OIL ALERT SYSTEM The oil alert system protects the engine from low oil damage This system automatically shuts down the engine and prevents engine restarting if the oil level falls too low Note When this happens the engine switch remains in the ON position The oil alert system is wired into the ON OFF Switch If this system shuts down the engine the engine will not start until you add oil Add oil to engine see Engine Oil page 7 Note Operate generator on a level surface If not level the oil may flow away from the oil level sensing device This will cause the oil alert system to shut down engine See engine owner s manual for more information Model MGH3000PR ENGINE SW Models HWI3000 ON MGH3000 MGH4000C OFF MGH4
20. Keep generator clean Use a damp cloth to clean outside surfaces Never use water to clean generator Water can cause damage to internal parts Use vacuum to clean air inlet and outlet louvers of alternator MASTER PORTABLE GASOLINE GENERATORS STORAGE AX WARNING Remove all fuel from fuel tank before storing gen erator Store fuel in approved con tainer Store fuel in a well vented area free of open flames or sparks AX WARNING The muffler be comes very hot during operation The muffler remains hot for a while after shutdown Let engine cool before storing IMPORTANT Keep generator level while in storage Never store generator upside down or standing on end Note We supply the engine owner s manual with generator Refer to that manual for questions concerning engine storage TROUBLESHOOTING Note For additional help visit DESA International s Technical Service web site at www desatech com Note See engine owner s manual for en gine troubleshooting OBSERVED PROBLEM No voltage when starting generator with no electrical load Voltage is less than normal voltage with no electrical load Voltmeter reading more than 10 high with no electrical load Voltmeter reading correct with no electrical load but more than 10 low when electri cal load is added Use a fuel additive such as STA BIL or an equivalent when storing generator with fuel in fuel tank This will minimize fuel gum de
21. ained and operated in accordance with all applicable instructions The bill of sale or proof of purchase must be presented at the time a claim is made under this warranty This warranty is extended only to the original retail purchaser This warranty covers only the parts and labor required to restore this unit to its proper operating condition Warranty parts must be obtained through factory authorized dealers and service centers for this product These dealers and service centers will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse abuse negligence accident lack of proper maintenance alteration modification tampering contaminated fuels repair using improper parts or repair by anyone other than an authorized dealer or service center Routine maintenance is the responsibility of the owner Travel handling transportation and incidental costs associated with warranty repairs are not reimbursable under this warranty and are the responsibility of the owner DESA Power Tools makes no warranty with respect to the engine and engine components not of its manufacture They are subject to warranties of their manufacturers To the full extent allowed by the law of the jurisdiction that governs the sale of the product thi
22. asher Plastic Cap Bearing Borelly Washer Diode Terminal Block Capacitor Tie Wrap Foam Pad Capacitor Bracket Engine Flange Bolts O Ring Washer Hex Head Nut Alternator Assembly 20 103188 01 103191 01 103192 01 103193 01 103194 01 103195 01 099847 05 270010105 103189 01 099701 01 103198 01 103199 01 103200 01 270030125 103201 01 099845 02 103204 01 099892 02 103202 01 103190 01 27003155 103203 01 WLE 5 099891 01 102938 01 Part not available by itself Must purchase Alternator Assembly BR Ss Ss Ss Ss P SH HS oOo ABABA HSB HSp S a S sas 105420 OWNER S MANUAL ILLUSTRATED PARTS LIST For Models HWI3000 MGH3000 and MGH3000PR Roll Cage This list contains replaceable parts used in your generator When ordering parts follow 4 the instructions listed under Replacement Parts on page 17 of this manual KEY PART NO NUMBER DESCRIPTION QTY 099781 01 Roll Cage 099754 01 Engine Spreader NEC 5C Lock Nut 5 16 18 WP 5C Flat Washer 5 16 099853 02 Shock Mount 04110002 Screw 5 16 18 x 1 1 2 14138000 Ground Strap 21834000 Washer 5 16 x 1 1 2 100406 01 Bolt 5 16 18 x 3 4 2 3 4 5 6 7 8 9 lt a N WN CO 105420 21 MASTER PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Models MGH4000C MGH4000Cl MGH5000C MGH5000Cl MGH5000CIE MGH6000C MGH6000CI _ MGH7000C and MGH7000CI Fuel Ta
23. at once Some people are more affected by carbon monoxide than others These include pregnant women persons with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this generator Safety information appears throughout these instructions Pay close attention to them Below are definitions for the safety infor mation listed throughout this manual DANGER indicates a hazard which will cause severe personal injury death or substantial property damage if you ignore warning WARNING indicates a hazard which can cause severe personal injury death or substan tial property damage if you ignore warning CAUTION indicates a hazard which will or can cause minor personal injury or prop erty damage if you ignore warning 2 Gasoline presents a hazard of fire or ex plosion Gasoline is flammable Its va por is explosive e Keep fuel out of children s reach e Refuel generator in a well vented area Do not fill fuel tank in the dark Do not refuel while engine is run ning Unhook all electrical loads and shut off engine before refueling Do not overfill fuel tank Always al low room for fuel to expand If you overfill tank fuel can overflow onto hot generator This can cause fire or explosion After refueling tightly close fuel tank cap
24. d additional referral information contact our Technical Service Department see Technical Service page 14 In Canada call 1 800 561 3372 for parts information Heavy Duty Wheel Kit PA2000 For models MGH4000C MGH4000Cl MGH5000C MGH5000Cl MGH5000CIE MGH6000C MGH6000CI MGH7000C and MGH7000CI Wheelbarrow style wheel kit Makes gen erator easy for one person to move This kit includes e Large 12 inch wheels for easy rolling e Plated tubing and hardware for long life e Long handles with thick grips for greater comfort and control Complete installation instructions included Automatic Idle Kit PA2010 For models MGH4000C MGH4000CI MGH5000C MGH5000CI MGH5000CIE MGH6000C MGH6000CI MGH7000C and MGH7000CI Automatically reduces engine speed when no power is being used Reduces fuel consump tion and engine noise Increases engine life Complete installation and operation instruc tions included 105420 OWNER S MANUAL REPAIR SERVICE Note Only use original replacement parts This will protect your warranty coverage for parts replaced under warranty Each Authorized Service Center 1s indepen dently owned and operated WARRANTY SERVICE If product requires warranty service return it to nearest Authorized Service Center You must show proof of purchase If faulty materi als or workmanship caused damage we will repair orreplace product without charge Note Normal wear misuse abu
25. ds and shut off engine before refueling Do not overfill fuel tank Al ways allow room for fuel to expand If you overfill tank fuel can overflow onto hot engine This can cause fire or explo sion After refueling tightly close fuel tank cap Do not spill fuel Fuel or fuel vapor may ignite If fuel spills make sure area is dry before starting engine Never smoke in refueling area Never allow open flames or sparks in area Store fuel in approved con tainer Store fuel in a well vented area free of open flames or sparks Use clean fresh unleaded gasoline Use gasoline with octane rating of 86 or higher Service station gasoline pumps should dis play the octane rating Using gasoline with lower octane level could damage engine Avoid getting dirt dust or water in fuel tank Do not mix oil with gasoline See engine owner s manual for more information BATTERY Models MGH5000CIE MGH7000C MGH7000CI and MGH10000 A WARNING Battery gives off explosive gases Keep sparks flames and cigarettes away Do not remove or install battery cables when engine is cranking or running Only service or use battery in a well vented area Continued MASTER PORTABLE GASOLINE GENERATORS BATTERY Continued A WARNING Battery contains sulfuric acid Contact with skin or eyes may cause severe burns Do not tilt generator with battery installed Tilting could cause bat tery acid to spill Wear protective
26. e department e Keep fire extinguisher well main tained Be familiar with its use Know how to stop engine quickly Know how to use all controls Prolonged exposure to loud noise can cause hearing loss e When working around generator wear approved hearing protection e Remember neighbors when using generator 105420 OWNER S MANUAL PRODUCT IDENTIFICATION Gas Cap Fuel Gauge Control Panel 120 Volt Receptacle 120 Volt Receptacle GFCI 120 Volt Receptacle Duplex Run Lamp Hour Meter 120 240 Volt RoN Gage Receptacle Circuit Breaker Gas Tank Choke Lever Fuel Valve Lever Starter wip CE lt Alternator Engine Engine ON OFF Switch Oil Dipstick Figure 1 Portable Generator Model MGH4000C Shown 3 MASTER PORTABLE GASOLINE GENERATORS GENERAL INFORMATION Master portable generators are rugged and compact These models provide depend able trouble free service The alternators are brushless with revolving fields Honda gasoline engines provide long life under heavy use Honda engines have overhead valves OHV This provides high perfor mance with lower fuel consumption These engines are governed to maintain engine speed of 3600 RPM under load 3600 RPM engine speed provides 120 240V 60 Hz power Additional Features e Circuit breaker protection e Spark arresting muffler except model MGH10000 e Large fuel tank e Oil aler
27. e fluid levels are full Make sure battery is charged See engine owner s manual for more information Battery Mounting eK IN US Hook Bolt Figure 10 Battery Hold Down System Model MGH7000C Shown Nut Battery NY A Battery Mounting Hook Bolt Bracket Figure 11 Battery Hold Down System Model MGH10000 Shown 105420 BATTERY Continued TO STARTER SOLENOID Figure 12 Connecting Positive and Negative Cables to Battery Model MGH7000C Shown TO STARTER SOLENOID NX Figure 13 Connecting Positive and Negative Cables to Battery Model MGH10000 Shown GENERATOR GROUNDING A WARNING You must prop erly earth ground generator be fore starting This will help guard against deadly electric shock Only use grounded plugs with generator Only use grounded ex tension cords Only use three wire or double insulated power tools Grounding generator helps prevent electric shock from a ground fault condition Locate ground lug on end of generator housing see Figure 12 Attach a 10 stranded copper ground wire to ground lug Drive grounding point into ground Grounding point can be a stake grounding rod or pipe Grounding point should be copper or brass Attach 105420 OWNER S MANUAL ground wire to grounding point You must supply the ground wire and grounding point These do not come with generator Follow the National Elec
28. his closes the choke Note You may not need to close choke if engine is warm or air tem perature is high Continued MASTER PORTABLE GASOLINE GENERATORS OPERATION Continued 4 Start the engine A Recoil Starter Move engine lever or turn engine switch to on position see Figures 20 and 21 Remove slack from starter rope by lightly pulling starter grip Next pull starter rope briskly IMPORTANT Do not let starter grip snap back against engine Return it gen tly This will prevent damage to starter Note If engine does not start check the oil in the crankcase Add oil as nec essary Be sure engine is on a level sur face See Oil Alert System page 6 B Electric Starter Models MGHS5000CIE MGH7000C MGH7000CI and MGH10000 Only Turn the engine switch to the START position see Figure 22 Hold it there until engine starts When engine starts let switch return to the ON position IMPORTANT Do not use electric starter more than five seconds Starter motor damage may occur If engine fails to start release the switch and wait ten seconds After ten seconds try starting again Note If engine does not start check the oil in the crankcase Add oil as nec essary Be sure engine is on a level sur face See Oil Alert System page 6 5 As engine warms up slowly move choke lever fully to the right see Fig ure 23 This opens the choke On Model MGH10000 the choke will au tomatically open
29. ied with generator You must provide a 12 volt 32 amp hour battery For more battery infor mation see Battery page 7 GROUND FAULT CIRCUIT INTERRUPTER RECEPTACLE All models Except HWI3000 have a 120 volt ground fault circuit interrupter GFCI receptacle The GFCI receptacle is on the control panel or top cover of alternator model MGH3000 and MGH3000PR only The GFCI protects you against hazardous electri cal shock caused when your body becomes a path through which electricity travels to reach ground This could happen when you touchan appliance or cord that is live through faulty mechanism damp or worn insulation etc When protected by the GFCI you may still feel a shock but the GFCI should cut it off quickly A person in normal health should notreceive serious injury Note Infants and very small children may still be affected Test Procedure Check the GFCI receptacle every month This insures it is working right 1 Push black TEST button Red RESET button should pop out This should trip GECI resulting in no electrical power at receptacle Verify this by plugging test lamp with good bulb into recep tacle If lamp does not work GFCI re ceptacle is good AX WARNING If RESET button does not pop out do not use the GFCI receptacle Contact a quali fied electrician for repairs 2 Ifthe GFCI receptacle tests okay restore power by pushing the RESET button back in The test lamp should work at
30. ll Wear protective cloth ing and face shield when servicing Keep out of children s reach 105420 SAFETY INFORMATION Continued g 10 11 12 13 14 Only a qualified electrical service per son should service and repair generator e Generator produces high voltage Use extreme caution when working on electrical parts e Always remove spark plug wire from spark plug before servicing This will prevent accidental starting e When working on generator avoid hot muffler exhaust manifold and engine parts Severe burns may occur Do not work on generator when tired Use only factory approved replace ment parts Store generator in a well vented area Make sure fuel tank is empty Never store with fuel in tank Vapors may reach an open flame or spark Fire or explosion may result Never operate generator e if engine speed changes greatly e if engine misfires often e if powered items overheat e if electrical output drops e if it is sparking e if it produces smoke or flames e if it vibrates at high levels e if it has a damaged receptacle Keep generator and nearby areas clean e Keep generator free of oil mud and other foreign matter e Remove anything that creates slip pery areas around generator Remove oily rags and other items that create fire hazards e Keep a fire extinguisher nearby Make sure it is rated ABC by the NFPA They are good for all uses Consult your local fir
31. ll appliance Repulsion Induction Motors Capacitor Motors Always use starting watts not running watts when figuring correct electrical load x Motors of higher horsepower are not generally used OPERATION GENERAL INFORMATION This generator is not large enough to power your entire home Do not connect generator to any existing electrical circuits Plug items directly into generator receptacles Do not exceed amperage rating of receptacles Only use grounded cords AX DANGER Use only in well vented areas Make sure area has plenty of free moving fresh out side air Never run generator in an enclosed or confined area Never run generator inside occu pied building Engine exhaust contains poisonous carbon mon oxide gas Overexposure will cause loss of consciousness and will lead to death A DANGER Never connect gen erator to any existing electrical circuits The generator output will back feed into the utility power line This may electrocute a power company line repair person Also if generator is powering electri cal circuits the chance of an elec trical fire exists Note We supply the engine owner s manual with generator Refer to that manual for questions concerning engine operation USING RECEPTACLE Note Do not exceed amperage rating of receptacles Exceeding rating will trip re ceptacle circuit breaker Use receptacles properly Improper use could damage generator Use
32. nk and Roll Cage 22 105420 PARTS LIST ne_ nunen__ oesonrmnon om PARTS LIST NO NUMBER DESCRIPTION For Models MGH4000C MGH4000CI MGH5000C MGH5000CI MGH5000CIE MGH6000C MGH6000CI MGH7000C and MGH7O00CI Fuel Tank and Roll Cage This list contains replaceable parts used in your generator When ordering parts fol low the instructions listed under Replace ment Parts on page 17 of this manual O OND UI PU N PARTS AVAILABLE NOT SHOWN 25954000 099832 01 25978000 M51043 01 099701 01 19508001 25985005 099743 01 099752 01 099752 02 103880 01 NEC 5C 14138000 099853 02 WLE 5 WLI 3 WP 5C HC5 11C 099756 01 099750 01 099749 01 NEC 5C 100410 01 M10908 74 WP 4C 099965 01 WP 3C 099742 01 099866 01 099866 02 100003 01 100003 02 099873 01 099873 02 03157000 Gas Cap Fuel Gage Gas Tank with 90 fitting Breather Assembly Screw 1 4 20 x 1 Screw M5 x 10 Gas Line Clamp Fuel Line Fuel Filter Roll CagetT Roll CageA Lock Nut 1 4 20 Lock Nut 5 16 18 Ground Strap Shock Mounts Lock Washer 5 16 Lock Washer 10 Flat Washer 5 16 Bolt 5 16 18 x 1 3 4 Engine Spreader Hook Bolt 5 16 18 Battery Mounting Bracket Lock Nut 5 16 18 Sems Screw 8 18 x 1 2 Screw 1 4 20 x 1 2 Washer 1 4 Linkage Cover Washer 10 90 Fitting with barbs Safety Information Decal Safety Information Decal Operation Decal Operation Decal Battery Cable Positi
33. only grounded exten sion cords Power only grounded or double insulated items Do not overload receptacles All generators except models HWI3000 MGH3000 and MGH3000PR have the fol lowing receptacles see Figure 15 e 120V 15 amp GECI duplex receptacle e 120V 30 amp twist lock receptacle e 120 240V 20 or 30 amp twist lock receptacle e 120V 15 amp duplex receptacle 105420 OPERATION Continued Model MGH10000 also has a 120 240V 50 amp receptacle see Figure 15 Model HWI3000 has only the 120V 20 amp duplex receptacle Models MGH3000 and MGH3000PR have only the 120V 15 amp GECI duplex receptacle 120V 15 Amp GFCI Duplex 120V 15 Amp Duplex 120 240V 20 or 30 Amp Twist Lock 120V 30 Amp Twist Lock 120 240V 50 Amp Model MGH10000 only Figure 15 Receptacle Locations 105420 OWNER S MANUAL POWER CORD AND PLUG REQUIREMENTS 120V 30 amp twist lock receptacle e NEMA L5 30P plug e Three wire 30 amp cord 120 240V 20 or 30 amp twist lock receptacle e NEMA L14 20P 20 amp or L14 30P 30 amp plug e Four wire 20 amp or 30 amp cord 120 240V 50 amp receptacle e NEMA L14 50P e Four wire 50 amp cord 20 Amp Neutral 120V 120V a Grou nd L1 4 20P Green Plug Ground L14 20P 120 240 Volt 4 Plug 20 and 30 Amp Ground L14 50P a EEA M Neutral Ground Green Hot Neutral Plu Hot Ground 9 Figure 16 Cord and Plug
34. pen reduce the total generator load 105420 OWNER S MANUAL a2 Normal Tripped Figure 6 Receptacle Circuit Breaker Button Note High ambient temperature will cause nuisance tripping ENGINE OIL We ship the generator without oil in the engine crankcase You must add oil before starting engine See engine owner s manual for specific oil type CHECKING OIL LEVEL AND ADDING OIL Follow steps below to check oil level Make sure engine is level and stopped 1 Remove dipstick see Figure 7 Wipe dipstick clean 2 Insert dipstick into oil filler neck Do not screw it in Oil level should be at top of filler neck Oil should cover most of dipstick For Model MGH10000 only the oil should be between the two dots on dipstick 3 If level is low fill to top of oil filler neck see Figure 7 For Model MGH10000 only fill to top dot on dip stick Only use oil recommended in engine owner s manual Note It oil level is too low oil alert system will shutdown engine and prevent engine from restarting Oil Level At Top Of Filler Neck Oil Figure 7 Checking Oil Level Model MGH4000C Shown FUEL AA WARNING Gasoline presents a hazard of fire or explosion Gasoline is flammable Its vapor is explosive e Keep fuel out of children s reach Refuel generator in a well vented area Do notfill fuel tank in the dark Do not refuel while engine is running Unhook all electrical loa
35. posits from forming in engine Cover and store generator in a clean dry place Do not expose generator to extreme high or low temperatures during storage SERVICING THE ENGINE Honda parts and services should be handled by your nearest authorized engine service firm Check the yellow pages of your tele phone directory under the listing Engines Gasoline Honda TECHNICAL SERVICE You may have further questions about as sembling operating or maintaining this product If so you can visit our Technical Service web site at www desatech com or contact our Technical Service Department at 1 800 858 8501 English Only You may also write to DESA Power Tools P O Box 90004 Bowling Green KY 42102 9004 ATTN Technical Service Power Tools When contacting DESA Power Tools have ready e Your Name e Your Address e Your Phone Number e Model Number of Product e Date of Purchase Include copy of receipt for written requests A WARNING Only a qualified electrical service person should service and repair generator Use only factory approved replacement parts POSSIBLE CAUSE 1 Defective capacitor 2 Winding short circuit or loose connections 3 Defective rotor diode 4 Loss of residual magnetism 1 Engine speed too low 2 Defective rotor diode 3 Partial short circuit in winding 4 Defective capacitor 1 Engine speed too high Defective rotor diode Electrical load too high 3 Engine no
36. power selector switch in the 120 VOLT ONLY position if only powering 120V items Only move switch to 120 240 VOLT position if pow ering 240V items 105420 OPERATION Continued 1 Check items to be powered Their nameplate lists their wattage ratings Note The wattage ratings for some electrical motors are misleading They may require up to three times their rated wattage to start You must figure total electrical load wattage Make sure total wattage of all electrical loads does not exceed rated wattage of generator See Determining Electrical Load For Generator page 9 2 Start engine Let engine reach full speed 3 Connect electrical loads one at a time If the load consists of electric motors start them first Always start the larg est first Start each motor individually DISCONNECTING ELECTRIC LOADS Remove electrical loads one at a time Re move voltage sensitive items first Voltage sensitive items include TVs VCRs and other home electronic items STOPPING ENGINE IMPORTANT The engine speed is preset The throttle is locked in preset position Do not adjust throttle Follow the steps below to stop engine 1 Remove all electrical loads from gen erator see Disconnecting Electrical Loads Remove electrical loads one at a time 2 Let engine run for two or three min utes after removing electrical loads This lets engine cool slightly 3 Move engine lever or turn engine switch to the
37. rician must installa double throw trans fer switch This isolates existing electrical circuits from the utility power line If not isolated gen erator output will back feed into utility power line This may elec trocute a power company line repair person DETERMINING ELECTRICAL LOAD FOR GENERATOR You must decide what electrical load your generator can power Do this before using generator Use the following four step method It will help you select a load that is not too large Make sure total wattage of all electrical loads does not exceed rated watt age of generator For rated wattage of your generator see Specifications page 5 Elec tric motors present a special problem when figuring load Read Step 3 carefully Continued MASTER PORTABLE GASOLINE GENERATORS DETERMINING ELECTRICAL LOAD FOR GENERATOR Continued 1 Make two lists of items you want pow ered by generator List all motors and motor powered appliances in one List all lights small appliances etc in the other For standby service to home or building only include items you must power 2 Enter running watts of each item except motors The light bulb or appliance name plate lists its wattage Remember 1K W 1000 watts Note The nameplate may not list wattage It may only list volts and amps The formula for finding wattage is Volts x Amps Watts For example An appliance nameplate states 3 amps at 120 volts 3 amps x 120 volts
38. s located directly above the starter on Model MGH10000 This cable is fac tory installed AA caution Do not over tighten positive terminal on starter sole noid Positive terminal could ro tate and cut into negative termi nal causing a short 2 Attach the black negative battery cable to the engine block Use the bolt nut and two washers provided with the battery cables Use long mounting hole on opposite side of engine from starter solenoid Attach cable as shown in Figure 9 Starter Solenoid Red Positive Battery Cable Figure 8 Connecting Red Positive Battery Cable to Engine Starter Solenoid Model MGH7000C Shown Black Negative Battery Cable Figure 9 Connecting Black Negative Battery Cable to Engine Block Model MGH7000C Shown MOUNTING BATTERY TO GENERATOR 1 Secure battery to generator by battery hold down system This system consists of the battery mounting bracket hook bolts and nut see Figure 10 Note Model MGH10000 battery is lo cated on opposite side as shown see Figure 11 page 9 2 Locate the red positive battery cable from starter solenoid Connect it to the positive battery terminal see Figures 12 and 13 page 9 3 Locate the black negative battery cable attached to engine block Connect it to the negative battery terminal see Figures 12 and 13 page 9 4 Check battery before starting engine Make sur
39. s express warranty excludes any and all other expressed warranties and limits the duration of any and all implied warranties including warranties of merchantability and fitness for a particular purpose to five years from the date of first purchase and DESA Power Tools liability is hereby limited to the purchase price of the product and DESA Power Tools shall not be liable for any other damages whatsoever including indirect incidental or consequential damages Some states do not allow limitation of how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation of damages may not apply to you This warranty provides the original purchaser with specific rights For information regarding those rights please consult the applicable state laws DESA POWER TOOLS P O Box 90004 Bowling Green KY 42102 9004 www desatech com 105420 01 REV C 06 04
40. se neglect or acci dental damage is not covered under warranty NON WARRANTY SERVICE If product requires service return it to near est Authorized Service Center Repairs will be billed to you at regular repair list prices For additional Service Center or warranty information call 1 800 858 8501 or visit our Technical Service web site at www desatech com PARTS CENTRALS These Parts Centrals are privately owned businesses They have agreed to support our customer s needs by providing original re placement parts and accessories Tool amp Equipment 5 Manila Drive Hamden CT 06514 0322 203 248 7553 1 800 397 7553 Grainger Parts Operations 1657 Shermer Road Northbrook IL 60062 5362 708 498 5900 1 800 323 0620 www grainger com Portable Heater Parts 342 North County Road 400 East Valparaiso IN 46383 9704 219 462 7441 1 800 362 6951 www portableheaterparts com sales portableheaterparts com techservice portableheaterparts com FBD 1349 Adams Street Bowling Green KY 42103 3414 270 846 1199 1 800 654 8534 franktalk aol com Master Part Distributors 1251 Mound Avenue NW Grand Rapids MI 49504 2672 616 791 0505 1 800 446 1446 www imasterparts net Bowden Electric Motor Service 1681 S Wesleyan Blvd Rocky Mount NC 27803 252 446 4203 East Coast Energy 10 East Route 36 West Long Branch NJ 07764 1501 1 800 755 8809 Laportes 2444 N Sth Street Hartsville SC 29550 7704 843 332 0191 MT
41. t running properly i www desatech com 14 REMEDY 1 Replace capacitor 2 Check resistance of coils see Electri cal Component Specifications page 15 3 Replace both diodes on rotor 4 Apply 12 volt battery to capacitor ter minals for 2 3 seconds 1 Set engine speed to 3720 RPM 62 Hz with no load 2 Replace both diodes on rotor 3 Check resistance of coils see Electri cal Component Specifications page 15 4 Replace capacitor 1 Set engine speed to 3720 RPM 62 Hz with no load Replace both diodes on rotor Do not overload generator 3 Contact an authorized engine service center r 105420 ELECTRICAL COMPONENT SPECIFICATIONS HW13000 OWNER S MANUAL Resistance in Ohms Stator Stator Auxiliary Capacitor Primary Secondary MFD Diodes 2 Winding Winding A Winding t Winding t 450 Volt 800 Volt MGH3000 MGH3000PR MGH4000C MGH4000Cl MGH5000C MGH5000Cl MGHS5000CIE MGH6000C MGH6000CI MGH7000C MGH7000Cl MGH10000 Connect T2 green and T3 black Measure resistance between T1 red and T4 yellow A Resistance between brown and white leads t Remove diodes to check resistance WIRING DIAGRAMS Stator I 1 I I T1t 2 T3 T2 L 1T4 L1 110 120V L2 Rotor Stator White c Auxiliary Phase T2 120 240V 20A Receptacle T4 Receptacle A 120V 15A MGH3000 FTO Receptacle 120V 20A HWI3000 eS a a Se a a p
42. t system e Electric starter models MGHSOOOCIE MGH7000C MGH7000CI and MGH10000 only e 15 Amp ground fault circuit interrupter GFCI receptacle Except HWI3000 Model UNPACKING 1 Remove generator from carton 2 Remove any protective packaging ap plied to generator for shipment 3 Check for loose or missing parts Check for shipping damage If any parts are missing or damaged promptly inform dealer where you bought generator 4 Battery cables are supplied for model MGHS5000CIE MGH7000C MGH7000CI and MGH10000 only These cables are in a separate bag in side generator carton You must install these cables to engine See Battery page 7 for installation instructions VENTILATION AX DANGER Use only in well vented areas Make sure area has plenty of free moving fresh out side air Never run generator in an enclosed or confined area Never run generator inside occu pied building Engine exhaust contains poisonous carbon mon oxide gas Overexposure will cause loss of consciousness and will lead to death This generator needs cooling air to run prop erly Never block free flowing cooling air to generator Overheating will occur with out cooling air This will damage the gen erator Keep generator at least three feet away from any object DUST DIRT RAIN AND SNOW A WARNING Do not use gen erator outdoors in rain or snow Do not use generator near stand ing water or snow Do not use if
43. trical Code and all state and local codes Consult your power com pany or a licensed electrician AX WARNING For a grounding point do not use metal pipe be ing used to carry combustible materials or gases Ground Lug Copper or Brass Grounding Point Ground Wire Q SF eneo Figure 14 Grounding Generator Model MGH4000C Shown EXTENSION CORDS Only use grounded extension cords Be sure to use extension cord with proper wire gauge size See chart below Recommended Minimum Wire Gauges AWG for Extension Cords AWG for Length of Cord in Feet 18 STANDBY INSTALLATION TO HOME OR BUILDING AX WARNING Have standby in stallation performed by a skilled licensed electrician Do not let anyone else wire into a utility circuit Personal injury equip ment damage or damage to home could occur IMPORTANT This generator will not power your entire home Most home utility electric service is more than 60 amps This will exceed generator output Only power needed items during a power outage Make sure total wattage of electrical load does not exceed rated wattage of generator You may need to use this generator as a standby power source During a power out age the generator will power selected items in a building Have generator and additional wiring installed by a skilled licensed elec trician This is not a do it yourself job Fol low all local codes AX WARNING The elect
44. ve Red Battery Cable Negative Black Fuel Line Grommet OWNER S MANUAL 7 4 1 2 1 1 1 1 5 8 1 3 3 1 9 2 1 2 1 2 4 3 5 1 1 1 For models MGH4000C MGH5000C MGH5000CIE and MGH6000C only For model MGH7000C only A For models MGH4000C and MGH5000C only t For models MGH6000C and MGH7000C only 105420 23 MASTER PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Model MGH10000 Fuel Tank and Roll Cage 24 105420 ILLUSTRATED PARTS LIST For Model MGH10000 Fuel Tank and Roll Cage This list contains replaceable parts used in your generator When ordering parts fol low the instructions listed under Replace ment Parts on page 17 of this manual 105420 OOnNDOOBRWND OWNER S MANUAL KEY PART NO DESCRIPTION NUMBER Gas Cap Fuel Gage Gas Tank with 90 fitting Breather Assembly 1 4 20 x 1 Screw 1 2 20 x 1 Bolt Gas Line Clamp Fuel Line 3 8 Lock Washer Roll Cage 1 4 20 Lock Nut 5 16 18 Lock Nut Ground Strap Shock Mounts 5 16 Lock Washer 3 8 16 x 1 1 4 Screw 3 8 Flat Washer 5 16 18 x 1 3 4 Bolt Engine Spreader 5 16 18 Hook Bolt Battery Mounting Bracket Axle 8 18 x 1 2 Sems Screw 1 4 20 x 1 2 Screw 5 16 Washer 5 16 18 x 3 4 Bolt 1 4 Washer 1 2 Lock Washer 5 16 18 x 2 50 Screw Handle Handle Grip Handle Plug Stand U Bolt Flat Washer Wheels Cotter Pin 90 Fitting with Barbs 25954000 099832 01 259780
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