Page 2 - PORTABLE GASOLINE GENERATORS; Carbon Monoxide Poisoning:; WARNINGS; DANGER: Carbon monoxide
2 115407 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; Figure 1 - Portable Generator; Continued
3 115407 OWNER’S MANUAL 120/240V TWISTLOCK 120/240V TWISTLOCK 120V TWISTLOCK 120VGF CI 120V HOUR ME TER AU TO -ID LE RES ET RE SET RE SE T RESET OFF ON RE SE T TE ST EN M 00 00 00 05 HO UR S 1/ 10 E F FUEL 9. Only a qualified electrical service per-son should service and repair generator.• Generator...
Page 4 - SPECIFICATIONS; Electrical; VENTILATION; Additional Features; UNPACKING
4 115407 PORTABLE GASOLINE GENERATORS R SPECIFICATIONS MGH8500IE Electrical Rated Wattage ................................. 8500 Rated Amperage 120 V ........................................... 70.8 240 V ........................................... 35.4 Receptacle 120-V, 20-A Duplex ...................
Page 5 - Figure 3 - GFCI Receptacle; Test Procedure; WARNING: If RESET button; OIL ALERT SYSTEM; Figure 2 - Engine Switch Location; ELECTRIC START; Engine Switch
5 115407 OWNER’S MANUAL RESET TEST Figure 3 - GFCI Receptacle 2. If the GFCI receptacle tests okay, re-store power by pushing the RESETbutton back in. The test lamp shouldwork at this time . IMPORTANT: You must press the RESET button firmlyand fully. It should lock into place. Ifthe GFCI does not lo...
Page 6 - BATTERY; High ambient temperature will cause; Tripped; ENGINE OIL; If oil level is too low, oil alert system; Figure 6 - Checking Oil Level; Figure 5 - Engine Circuit Breaker; Oil Fill Cap
6 115407 PORTABLE GASOLINE GENERATORS R WARNING: Battery gives off explosive gases. Keep sparks,flames, and cigarettes away. Donot remove or install batterycables when engine is crankingor running. Only service or usebattery in a well-vented area. BATTERY RECEPTACLE CIRCUITBREAKER The circuit breake...
Page 7 - Make sure battery connec-; Battery
7 115407 OWNER’S MANUAL IMPORTANT: Make sure battery connec- tions are the correct polarity. Electric startgenerators use negative ground, 12-volt DCstarting system. A battery is not supplied with generator. Youmust provide a 12-volt, 32-amp-hour battery.The positive and negative battery cables ares...
Page 8 - WARNING: The electrician; Alternator; Figure 11 - Grounding Generator; WARNING: For a grounding; Ground Bolt; Detail A
8 115407 PORTABLE GASOLINE GENERATORS R 12 0/2 40 V TW IST LO CK 12 0V GFC I 12 0V HOU R M ETE R AU TO -ID LE RE SET RE SE T RE SE T OF F ON RE SE T TE ST EN M 00 00 00 05 HO UR S 1/10 E F FUEL STANDBYINSTALLATION TOHOME ORBUILDING WARNING: The electrician must install a double-throw trans-fer switc...
Page 9 - Chart 1 - Typical Electric Appliance Wattages
9 115407 OWNER’S MANUAL Running Starting Equipment Watts Watts 1/2" Drill 1000 1250 Toaster 1200 1200 Coffee maker 1200 1200 Skillet 1200 1200 14" Chain saw 1200 1500 Water well pump (1/2 hp) 1000 3000 Hot plate/range (per burner) 1500 1500 10" Table saw 2000 6000 Water heater (storage-t...
Page 10 - OPERATION; GENERAL INFORMATION; Figure 12 - Receptacle Locations; We supply the engine owner’s manual; USING RECEPTACLE; Do not exceed amperage rating of
10 115407 PORTABLE GASOLINE GENERATORS R 120/240V TW ISTLO CK 12 0/24 0V TW ISTLO CK 120V TW ISTLO CK 120VGF CI 120V HO UR M ETE R AU TO -ID LE RESET RE SET RE SET RE SET OFF ON RESET TEST EN M 0000000 5 HOU RS 1/1 0 OPERATION GENERAL INFORMATION This generator is not large enough to poweryour entir...
Page 11 - Oil Alert; STARTING; WARNING: Only responsible; PRESTART; Figure 14 - Choke Button Closed; Figure 15 - Engine Switch; Figure 16 - Control Panel
11 115407 OWNER’S MANUAL OPERATION Continued Note: If oil level is too low, oil alert system will keep engine from starting (see Oil Alert System, page 5). Make sure oil level is full before starting. See Engine Oil, page 6. Before starting the engine, disconnect allelectric loads from generator. ST...
Page 12 - HIGH ALTITUDE OPERATION; Do not overload generator.; WARNING: Always set the idle; Adjusting the Idle Speed; Adjust the idle speed only:; Bolt; Figure 17 - Solenoid Bracket Location
12 115407 PORTABLE GASOLINE GENERATORS R HIGH ALTITUDE OPERATION This generator will not perform well at highaltitudes without proper adjustment. Seeengine owner’s manual for details. ADDING ELECTRICALLOADS IMPORTANT: Do not overload generator. Make sure total wattage of all electrical loadsdoes not...
Page 13 - WARNING: Only a qualified; STOPPING ENGINE; Disconnecting Electrical; CAUTION: Shut off generator; Figure 18 - Engine Switch; STORAGE; WARNING: Remove all fuel
13 115407 OWNER’S MANUAL MAINTENANCEAND REPAIRS WARNING: Only a qualified electrical service person shouldservice and repair the alternatoron this generator. Use only fac-tory approved replacement parts. STOPPING ENGINE IMPORTANT: The engine speed is preset. The throttle is locked in preset position...
Page 14 - TROUBLESHOOTING; POSSIBLE CAUSE; cal Component Specifications,; Engines Gasoline, Honda
14 115407 PORTABLE GASOLINE GENERATORS R TROUBLESHOOTING WARNING: Only a qualified electrical service person should service and repair generator. Use only factory approved replacement parts. POSSIBLE CAUSE 1. Loss of residual magnetism 2. 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 connection...
Page 16 - WIRING DIAGRAM
16 115407 PORTABLE GASOLINE GENERATORS R WIRING DIAGRAM GFCI LINE WHITE HOT Duplex Circuit Breaker 20A Circuit Breaker 20A Circuit Breaker 45A Circuit Breaker 45A HourMeter s 1 s 2 Red Yellow Green/Yellow Green/Yellow Grn/ Ylw Grn/ Ylw Grn/ Ylw Green/ Yellow Green/ Yellow Green/ Yellow To Alternator...
Page 17 - NUMBER; Alternator Assembly; placement Parts
17 115407 OWNER’S MANUAL KEY PARTNO. NUMBER DESCRIPTION QTY. 114285-03 Alternator Assembly 1 1 115243-01 Top Cover, Alternator 1 2 M10908-27 Screw, 10-32 x 1/2" 4 3 115244-01 End Cover, Alternator 1 4 115247-01 End Cap, Shaft 1 5 115246-01 Flange Nut, 8mm 1 6 115245-02 Draw Bolt, Alternator 1 7 ...
Page 18 - Fuel Tank and Roll Cage
18 115407 PORTABLE GASOLINE GENERATORS R 120/240V TWISTLOCK 120/240V TWISTLOCK 120V TWISTLOCK 120VGFCI 120V HOUR METER AU TO -ID LE RE SE T RE SET RES ET RE SE T OFF ON RE SE T TE ST ENM 00000005 HO UR S 1/1 0 E F FU EL Unle aded Gaso line O nly SAF ETY INFO RM ATIO N 17 8 15 10 12 11 13 11 12 16 14...
Page 19 - ment Parts; KEY
19 115407 OWNER’S MANUAL * Available at any hardware store. ILLUSTRATEDPARTS LIST Fuel Tank and Roll Cage This list contains replaceable parts used inyour generator. When ordering parts, fol-low the instructions listed under Replace- ment Parts on page 23 of this manual. KEY PART NO. NUMBER DESCRIPT...
Page 22 - Control Panel
22 115407 PORTABLE GASOLINE GENERATORS R KEY PART NO. NUMBER DESCRIPTION QTY. 1 114738-03 Control Panel 1 2 22616009 Circuit Breaker, 20 Amp * 2 3 099833-01 120V, 30A Twist-Lock Receptacle * 1 4 104202-01 120V, 20A Duplex Receptacle * 1 5 100445-01 120V, 15A Duplex (GFCI) Receptacle * 1 6 099835-01 ...
Page 23 - PARTS CENTRALS; Heavy-Duty Wheel Kit – PA2020; ware for long life; REPAIR SERVICE; Only use original replacement parts.; WARRANTY SERVICE
23 115407 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 24 - KEEP THIS WARRANTY; WARRANTY INFORMATION; FIVE-YEAR LIMITED WARRANTY; Model
KEEP THIS WARRANTY WARRANTY INFORMATION FIVE-YEAR LIMITED WARRANTY GASOLINE PORTABLE GENERATORS DESA Specialty Products™ makes no warranty with respect to the engine and engine components not of its manufac-ture. They are subject to warranties of their manufacturers. Honda warrants the engine. See e...