Master MGH4000C Manual - Free PDF Download

Page 2 - PORTABLE GASOLINE GENERATORS; Carbon Monoxide Poisoning:; WARNINGS; DANGER: Carbon monoxide

2 105420 PORTABLE GASOLINE GENERATORS R 1. Gasoline presents a hazard of fire or ex-plosion. Gasoline is flammable. Its va-por is explosive.• Keep fuel out of children’s reach.• Refuel generator in a well-vented area. Do not fill fuel tank in the dark.Do not refuel while engine is run-ning. Unhook a...

Page 3 - OWNER’S MANUAL; Continued

3 105420 OWNER’S MANUAL FU EL F FUEL F 120 ONLY 120 240V RE SE T TE ST 120 V OL TS 120/240 VOLTS RESET RESET EN M 000 000 05 HO URS 1/10 FU LL P OW ER 9. Only a qualified electrical service per-son should service and repair generator.• Generator produces high voltage. Use extreme caution when workin...

Page 4 - VENTILATION; Additional Features; UNPACKING

4 105420 PORTABLE GASOLINE GENERATORS R VENTILATION DUST, DIRT, RAIN,AND SNOW HIGH AND LOWTEMPERATUREOPERATION 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 engineowner’s manual for m...

Page 5 - SPECIFICATIONS; MODEL; Ratings apply to SAE standard conditions. Reduce ratings 3

5 105420 OWNER’S MANUAL SPECIFICATIONS MGH5000C MGH4000C MGH5000CI MGH6000C MGH7000C MODEL HWI3000 MGH3000 MGH3000PR MGH4000CI MGH5000CIE MGH6000CI MGH7000CI MGH10000 Electrical Rated Wattage 2500 2500 2500 4000 5000 6000 7000 10,000 Rated Amperage 120 V 20.8 20.8 20.8 33.3 41.7 50 57 83.3 240 V –– ...

Page 6 - 20 VOLT ONLY Position; Figure 3 - Full Power Selector Switch; OIL ALERT SYSTEM; Figure 2 - Engine Switch Location; ELECTRIC START; Test Procedure; WARNING: If RESET button

6 105420 PORTABLE GASOLINE GENERATORS R 120/240 VOLT Position 120 VOLT ONLY Position Figure 3 - Full Power Selector Switch GENERATORFEATURES OIL ALERT SYSTEM The oil alert system protects the engine fromlow oil damage. This system automaticallyshuts down the engine and prevents enginerestarting if t...

Page 7 - ENGINE CIRCUIT BREAKER; Figure 5 - Engine Circuit Breaker; Figure 4 - GFCI Receptacle; Tripped; ENGINE OIL; If oil level is too low, oil alert system; FUEL; Dipstick; BATTERY

7 105420 OWNER’S MANUAL ENGINE CIRCUIT BREAKER (Models MGH5000CIE,MGH7000C, MGH7000CI, andMGH10000) This circuit breaker, or fuse, protects thebattery charging circuit. A short circuit willtrip the circuit breaker. The circuit breakerwill also trip if you install battery wrong.Push circuit breaker b...

Page 8 - Make sure battery connec-; Battery; CAUTION: Do not over tighten

8 105420 PORTABLE GASOLINE GENERATORS R FU EL F Figure 10 - Battery Hold-Down System(Model MGH7000C Shown) 120 ON LY 120 240 V EN M 000 000 05 HO UR S 1/1 0 FU LL P OW ER BatteryMountingBracket Battery HookBolt Nut Figure 11 - Battery Hold-Down System(Model MGH10000 Shown) BatteryMountingBracket IMP...

Page 9 - Ground Lug; National Electrical Code

9 105420 OWNER’S MANUAL Ampere AWG for Length of Load Cord in Feet 50' 100' 150' 2 18 18 18 3 18 18 18 4 16 16 16 5 16 16 16 6 16 16 14 8 16 14 12 10 16 14 12 12 14 14 12 14 14 12 10 16 12 12 10 20 10 10 8 FUEL F TO STARTER SOLENOID TO ENGINEBLOCK 120 ONLY 120240V EN M 00000005 HOU RS 1/ 10 FU LL PO...

Page 10 - OPERATION; GENERAL INFORMATION; Some motors require nearly the; Chart 2; The nameplate may; USING RECEPTACLE; Do not exceed amperage rating of

10 105420 PORTABLE GASOLINE GENERATORS R OPERATION GENERAL INFORMATION This generator is not large enough to poweryour entire home. Do not connect generatorto any existing electrical circuits. Plug itemsdirectly into generator receptacles. Do notexceed amperage rating of receptacles. Onlyuse grounde...

Page 11 - Figure 15 - Receptacle Locations; Figure 16 - Cord and Plug Configurations; Oil Alert; STARTING; WARNING: Only responsible; PRESTART

11 105420 OWNER’S MANUAL RESET 240 VO LTS RESET RESET RESET RESET TEST 120 VOLTS RE SE T RES ET EN M 000 000 05 HO UR S 1/1 0 120 ONLY 120 240V Figure 15 - Receptacle Locations 120V, 15-Amp GFCI Duplex 120/240V, 20 or30-Amp Twist-Lock 120V, 30-AmpTwist-Lock 120V, 15-Amp Duplex 120/240V, 50-Amp (Mode...

Page 12 - HIGH ALTITUDE OPERATION; Do not overload generator.; Do not let starter grip

12 105420 PORTABLE GASOLINE GENERATORS R Choke Lever (Open Position) Figure 23 - Choke Lever Opened (ModelMGH7000C Shown) HIGH ALTITUDE OPERATION This generator will not perform well at highaltitudes without proper adjustment. Seeengine owner’s manual for details. ADDING ELECTRICALLOADS IMPORTANT: D...

Page 13 - The wattage ratings for some; STOPPING ENGINE; The engine speed is preset.; Figure 24 - Engine Switch In OFF Position; Keep generator level when; CAUTION: Shut off generator

13 105420 OWNER’S MANUAL OPERATION Continued Figure 25 - Fuel Valve Lever Off (ModelMGH7000C Shown) Fuel Valve Lever(Off Position) 1. Check items to be powered. Theirnameplate lists their wattage ratings. Note: The wattage ratings for some electrical motors are misleading. Theymay require up to thre...

Page 14 - POSSIBLE CAUSE; cal Component Specifications,; STORAGE; WARNING: Remove all fuel; Engines Gasoline, Honda

14 105420 PORTABLE GASOLINE GENERATORS R WARNING: Only a qualified electrical service person should service and repair generator. Use only factory approved replacement parts. POSSIBLE CAUSE 1. Defective capacitor2. Wi n d i n g s h o r t c i r c u i t o r l o o s e connections 3. Defective rotor dio...

Page 15 - WIRING DIAGRAMS; Resistance between brown and white leads.

15 105420 OWNER’S MANUAL WIRING DIAGRAMS Figure 26 - Wiring Diagram, Models HWI3000, MGH3000, and MGH3000PR Circuit Breaker 25A 120/240V 20A Receptacle T4 120V, 15A Receptacle 120V, 30A Receptacle White White Green Black Red Black Red Black White T3 Red Green Stator 110/120V T1 T2 T3 T4 L2 L1 110/12...

Page 16 - Figure 28 - Wiring Diagram, Model MGH7000C

16 105420 PORTABLE GASOLINE GENERATORS R 120/240V 30A Receptacle T4 120V, 15A Receptacle Circuit Breaker 20A Green Black Black Black Red Black T3 White Green Red T1 T2 White White Circuit Breaker 30A Circuit Breaker 30A Black Red Yellow Green/Yellow Stator 110/120V T1 T2 T3 T4 L2 L1 110/120V 220/240...

Page 17 - PARTS CENTRALS; comfort and control; REPAIR SERVICE; Only use original replacement parts.; WARRANTY SERVICE

17 105420 OWNER’S MANUAL PARTS CENTRALS These Parts Centrals are privately ownedbusinesses. They have agreed to support ourcustomer’s needs by providing original re-placement parts and accessories. Tool & Equipment 5 Manila DriveHamden, CT 06514-0322203-248-75531-800-397-7553 Grainger Parts Oper...

Page 18 - ment Parts

18 105420 PORTABLE GASOLINE GENERATORS R This list contains replaceable parts used inyour generator. When ordering parts, fol-low the instructions listed under Replace- ment Parts on page 17 of this manual. ILLUSTRATEDPARTS LIST For Models HWI3000, MGH3000,and MGH3000PRAlternator Assembly † Includes...

Page 19 - PART NUMBER FOR MODEL

19 105420 OWNER’S MANUAL PART NUMBER FOR MODEL MGH5000C KEY MGH4000C MGH5000CI MGH6000C MGH7000C NO. MGH4000CI MGH5000CIE MGH6000CI MGH7000CI DESCRIPTION QTY. 099723-01 099723-02 099723-03 099723-04 Alternator Assembly 1 1 099844-01 099844-01 099844-01 099844-01 End Cover 1 2 099701-01 099701-01 099...

Page 20 - Replacement; KEY

20 105420 PORTABLE GASOLINE GENERATORS R 1 5 16 14 24 10 26 18 19 6 2 11 12 9 3 7 4 22 23 25 17 21 8 20 15 13 ILLUSTRATEDPARTS LIST For Model MGH10000 AlternatorAssembly This list contains replaceable parts used inyour generator. When ordering parts, followthe instructions listed under Replacement P...

Page 21 - Roll Cage

21 105420 OWNER’S MANUAL ILLUSTRATEDPARTS LIST For Models HWI3000, MGH3000,and MGH3000PR Roll Cage This list contains replaceable parts used inyour generator. When ordering parts, followthe instructions listed under Replacement Parts on page 17 of this manual. 1 2 3 4 5 34 3 4 5 34 3 6 6 7 9 3 3 3 7...

Page 28 - KEEP THIS WARRANTY; WARRANTY INFORMATION; FIVE-YEAR LIMITED WARRANTY; See engine owner’s manual for engine warranty information.; Model

KEEP THIS WARRANTY 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 andworkmanship for five years from the date of first purchase from an aut...