Master MGH3000G Owner's Operation And Installation Manual
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Master MGH3000G Owner's Operation And Installation Manual

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PORTABLE GASOLINE
GENERATORS
OWNER'S OPERATION AND INSTALLATION MANUAL
Generator Models: HWI3000, MGH3000G, MGH3000, MGH3000PR, MGH4000C, MGH4000CI,
MGH5000D, MGH5000DI, MGH5000DIE, MGH6000D, MGH6000DI, MGH6500IE, and MGH10000A
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.

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Summary of Contents for Master MGH3000G

  • Page 1 PORTABLE GASOLINE GENERATORS OWNER’S OPERATION AND INSTALLATION MANUAL Generator Models: HWI3000, MGH3000G, MGH3000, MGH3000PR, MGH4000C, MGH4000CI, MGH5000D, MGH5000DI, MGH5000DIE, MGH6000D, MGH6000DI, MGH6500IE, and MGH10000A IMPORTANT: Read and understand this manual before operating or servicing generator. Improper use of generator can cause serious injury. Keep this...

  • Page 2: Safety Information

    PORTABLE GASOLINE GENERATORS SAFETY INFORMATION 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-...

  • Page 3: Product Identification

    SAFETY INFORMATION Continued 9. Only a qualified electrical service per- son should service and repair generator. • Generator produces high voltage. Use extreme caution when working on electrical parts. • Always remove spark plug wire from spark plug before servicing. This will prevent accidental starting.

  • Page 4: General Information

    PORTABLE GASOLINE GENERATORS GENERAL INFORMATION Master portable generators are rugged and compact. These generators use brushless alternators for dependable, trouble-free ser- vice. Honda gasoline engines provide long life under heavy use. Honda engines have overhead valves (OHV). This provides high performance with lower fuel consumption.

  • Page 5: Specifications

    Honda Model GX340K1VA Fuel Type Gasoline Fuel Tank Capacity 8 gal. Oil Alert System Start Method Recoil Weight (pounds) * Single-phase, 1.0 power factor 106813 OWNER’S MANUAL MGH3000G MGH3000 MGH3000PR 2500 2500 20.8 20.8 –– –– –– –– –– ––...

  • Page 6: Generator Features

    BREAKER Figure 2 - Engine Switch Location FULL POWER SELECTOR SWITCH All models except HWI3000, MGH3000G, MGH3000, MGH3000PR, MGH6500IE, and MGH10000A have a full power selector switch on the control panel. The switch has two positions: 120 VOLT ONLY, and 120/ 240 VOLT.

  • Page 7: Receptacle Circuit Breaker

    GENERATOR FEATURES Continued 2. If the GFCI receptacle tests okay, re- store power by pushing the RESET button back in. The test lamp should work at 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.
  • Page 8 PORTABLE GASOLINE GENERATORS HANDLES AND TOP COVER (Model MGH10000A) Follow the steps below to attach the handles and top cover to Model MGH10000A: 1. Remove the two bolts, lock nuts, and washers holding side panels to control panel end of roll cage. Insert bolts with washers through two holes in the handle and then back through roll cage and side screen panels (See Figure 8).

  • Page 9: Extension Cords

    BATTERY Continued MOUNTING BATTERY TO GENERATOR 1. Secure battery to generator by battery hold-down system. This system con- sists of the battery mounting bracket, hook bolts, and nut (see Figure 12). Note: Model MGH10000A battery is located on opposite side as shown (see Figure 13).

  • Page 10: Standby Installation To Home Or Building

    PORTABLE GASOLINE GENERATORS STANDBY INSTALLATION TO HOME OR BUILDING 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.

  • Page 11: Operation

    Power only grounded or double- insulated items. Do not overload receptacles. All generators (except models HWI3000, MGH3000G, MGH3000, and MGH3000PR) have the following receptacles (see Figure 17): • 120V, 15-amp GFCI duplex receptacle • 120V, 30-amp twist-lock receptacle •...
  • Page 12 PORTABLE GASOLINE GENERATORS OPERATION Continued 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.
  • Page 13 OPERATION Continued HONDA START Engine ENGINE SW Switch CIRCUIT BREAKER ON/push OFF Figure 24 - Engine Switch (Models MGH5000DIE, MGH6500IE, MGH10000A Only) Choke Lever (Open Position) Figure 25 - Choke Lever Opened (Model MGH6500IE Shown) AUTO-IDLE OPERATION IMPORTANT: Never start engine with elec- trical loads connected.

  • Page 14: Maintenance And Repairs

    4. Turn fuel valve lever off except on Model MGH3000PR. Do this by mov- ing valve lever fully to the left (see Fig- ure 30). Model MGH3000PR Models HWI3000, MGH3000G, MGH3000, MGH4000C, MGH4000CI, MGH5000D, MGH5000DI, MGH6000D and MGH6000DI HONDA Models...

  • Page 15: Troubleshooting

    STORAGE 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. WARNING: The muffler be- comes very hot during operation. The muffler remains hot for a while after shutdown.

  • Page 16: Electrical Component Specifications

    * Connect T2 (green) and T3 (black). Measure resistance between T1 (red) and T4 (yellow). ∆ Resistance between brown and white leads. † Remove diodes to check resistance. WIRING DIAGRAMS 110/120V Rotor Green Figure 31 - Wiring Diagram, Models HWI3000, MGH3000G, MGH3000, and MGH3000PR Resistance in Ohms Stator Stator Rotor Main Auxiliary Primary Winding * Winding ∆...
  • Page 17 OWNER’S MANUAL WIRING DIAGRAMS Continued Duplex Figure 32 - Wiring Diagram, Models MGH4000C, MGH5000D, and MGH6000D White • Duplex To Solenoid • Figure 34 - Wiring Diagram, Models MGH4000CI, MGH5000DI, MGH5000DIE, and MGH6000DI Continued 106813...
  • Page 18 PORTABLE GASOLINE GENERATORS WIRING DIAGRAMS Continued • To Solenoid Capacitor White Figure 35 - Wiring Diagram, Model MGH6500IE Auto-Idle Control Board Circuit Breaker White White Auto-Idle Solenoid Yellow Yellow Capacitor Figure 36 - Wiring Diagram, Model MGH10000A Green/Yellow 120/240V 30A Switch Receptacle White...

  • Page 19: Illustrated Parts List

    ILLUSTRATED PARTS LIST For Models HWI3000, MGH3000G, 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 32 of this manual. PART...
  • Page 20 PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Models MGH4000C, MGH4000CI, MGH5000D, MGH5000DI, MGH5000DIE, MGH6000D, MGH6000DI, MGH6500IE Alternator Assembly This list contains replaceable parts used in your generator. When ordering parts, follow the instructions listed under Re- placement Parts on page 32 of this manual.
  • Page 21 ILLUSTRATED PARTS LIST For Model MGH10000A Alternator Assembly This list contains replaceable parts used in your generator. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. † * Part not available by itself. Must purchase Alternator Assembly. ** Standard hardware item available from local hardware store.
  • Page 22 PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Model MGH3000G Alternator Assembly This list contains replaceable parts used in your generator. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. Note: Fuel tank is available from Engine Mfg. Co. only.
  • Page 23 ILLUSTRATED PARTS LIST For Models HWI3000, MGH3000, and MGH3000PR Roll Cage This list contains replaceable parts used in your generator. When ordering parts, follow the instructions listed under Replacement Parts on page 32 of this manual. 106813 PART NUMBER DESCRIPTION 105155-01 Roll Cage 099754-01...
  • Page 24 PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Models MGH4000C, MGH4000CI, MGH5000D, MGH5000DI, MGH5000DIE, MGH6000D, MGH6000DI, and MGH6500IE Fuel Tank and Roll Cage 106813...
  • Page 25 ILLUSTRATED PARTS LIST For Models MGH4000C, MGH4000CI, MGH5000D, MGH5000DI, MGH5000DIE, MGH6000D, MGH6000DI, MGH6500IE Fuel Tank and Roll Cage KEY MGH4000C MGH5000D NO. MGH4000CI MGH5000DI MGH5000DIE 25954000 25954001 099832-01 107021-01 25978000 — HC4-8C — 099701-01 099701-01 19508001 19508001 25985005 25985005 099743-01 099743-01 099752-02 106063-01...
  • Page 26 PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Model MGH10000A Fuel Tank and Roll Cage 106813...
  • Page 27 ILLUSTRATED PARTS LIST For Model MGH10000A 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 32 of this manual. 106813 OWNER’S MANUAL PART NUMBER DESCRIPTION...
  • Page 28 PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Models MGH4000C, MGH4000CI, MGH5000D, MGH5000DI, MGH5000DIE, MGH6000D, MGH6000DI, and MGH6500IE 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 32 of this manual. PART NUMBER FOR MODEL MGH5000D MGH4000C...
  • Page 29 ILLUSTRATED PARTS LIST For Model MGH10000A 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 32 of this manual. PART NUMBER 103182-01 22616009 099833-01 100410-01 22261000 100445-01...
  • Page 30 PORTABLE GASOLINE GENERATORS ILLUSTRATED PARTS LIST For Solenoid and Control Board Assemblies and Mounting Control Board Assembly and Mounting Solenoid Assembly and Mounting 106813...
  • Page 31 ILLUSTRATED PARTS LIST For Solenoid and Control Board Assemblies and Mounting This list contains replaceable parts used in your generator. When ordering parts, fol- low the instructions listed under Replace- ment Parts on page 32 of this manual. PART NUMBER 100105-01 26499000 100321-01...

  • Page 32: Replacement Parts And Accessories

    PORTABLE GASOLINE GENERATORS 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 below.
  • Page 33 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 106813...
  • Page 34 PORTABLE GASOLINE GENERATORS NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 106813...
  • Page 35 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 106813...

  • Page 36: Warranty Information

    WARRANTY INFORMATION 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. GASOLINE PORTABLE GENERATORS DESA Specialty Products™...

This manual is also suitable for:

Mgh6500ieHwi3000Mgh3000Mgh4000cMgh4000ciMgh5000d ... Show all

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