Page 2 - PORTABLE GASOLINE GENERATORS; SAFETY; WARNINGS
2 114716 PORTABLE GASOLINE GENERATORS R CAUTION: indicates a hazard which will or can cause minor personal injury or property damage if you ignore warning.1. Gasoline presents a hazard of fire or explosion. Gasoline is flammable. Its vapor is explosive. • Keep fuel out of children’s reach. • Refuel ge...
Page 3 - OWNER’S MANUAL; PRODUCT; Continued
3 114716 OWNER’S MANUAL 120 /240 V TW IST LOC K 120 V TW IST LOC K 120 V GFC I 120 V VOL TAG E HO UR ME TER AUT O-ID LE RES ET RES ET RES ET RES ET OFF ON SEL ECT OR 120 ON LY 120 + 240 RE SE T TE ST EN M 00 00 00 05 HO UR S 1 /1 0 E F FUEL 9. Only a qualified electrical service person should service...
Page 4 - Additional Features
4 114716 PORTABLE GASOLINE GENERATORS R VENTILATION DUST, DIRT, RAIN, AND SNOW 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 fo...
Page 5 - SPECIFICATIONS; MODEL; Electrical; Ratings apply to SAE standard
5 114716 OWNER’S MANUAL SPECIFICATIONS MODEL MGR2900 MGR4500I MGR6000I Electrical Rated Wattage 2500 4500 6000 Rated Amperage 120 V 20.8 37.5 50 240 V –– 18.8 25 Receptacle 120-V, 20-A Duplex –– Yes Yes 120-V, 15-A GFCI Yes Yes Yes 120-V Twist-Lock –– 30 Amp 30 Amp 120/240-V Twist-Lock –– 20 Amp 30 ...
Page 6 - Figure 4 - GFCI Receptacle; GROUND FAULT CIRCUIT; Test Procedure; WARNING: If RESET button; GENERATOR; OIL ALERT SYSTEM; Figure 2 - Engine Switch Location; Position; VOLTAGE SELECTOR
6 114716 PORTABLE GASOLINE GENERATORS R Figure 4 - GFCI Receptacle 2. If the GFCI receptacle tests okay, restore 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...
Page 7 - RECEPTACLE CIRCUIT; Normal; Figure 5 - Receptacle Circuit Breaker; ENGINE OIL; CHECKING OIL LEVEL AND; Figure 6 - Checking Oil Level (Model
7 114716 OWNER’S MANUAL 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...
Page 8 - Figure 7 - Grounding Generator (Model; Recommended Minimum Wire; Detail A
8 114716 PORTABLE GASOLINE GENERATORS R 120 /240 V TW IST LOC K 120 V TW IST LOC K 120 V GFC I 120 V VOL TAG E HO UR ME TER AUT O-ID LE RES ET RES ET RES ET RES ET OFF ON SEL ECT OR 120 ON LY 120 + 240 RE SE T TE ST EN M 00 00 00 05 HO UR S 1 /1 0 E F FUEL STANDBY INSTALLATION TO HOME OR BUILDING WA...
Page 9 - Chart 1 - Typical Electric Appliance Wattages; DETERMINING; Chart 2
9 114716 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 8 - Receptacle Locations; POWER CORD AND PLUG; Figure 9 - Cord and Plug Configurations; USING RECEPTACLE
10 114716 PORTABLE GASOLINE GENERATORS R 120/2 40V TW ISTL OCK 120V TW ISTL OCK 120V GFC I 120V VOLT AGE HOU R M ETE R AUT O-ID LE RES ET RES ET RES ET RES ET OFF ON SEL ECT OR 120 ONLY 120 + 240 RES ET TES T ENM 0000000 5 HOU RS 1/10 OPERATION GENERAL INFORMATION This generator is not large enough ...
Page 11 - Figure 12 - Engine Switch In ON Position; Figure 10 - Fuel Valve Lever On, Choke; Oil Alert; STARTING; WARNING: Only responsible; PRESTART
11 114716 OWNER’S MANUAL CLOSED OPEN Figure 12 - Engine Switch In ON Position ENGINE SW ON OFF OPERATION Continued Fuel Valve Lever (ON Position) Choke Lever (Closed Position) Figure 10 - Fuel Valve Lever On, Choke Lever Closed (Model MGR4500I Shown) Note: If oil level is too low, oil alert system w...
Page 12 - Never start engine with elec-; Adjusting the Idle Speed; Adjust the idle speed only:; Figure 15 - Control Panel
12 114716 PORTABLE GASOLINE GENERATORS R 120/2 40V TW ISTL OCK 120V TW ISTL OCK 120V GFC I 120V VOLT AGE HOU R M ETE R AUT O-ID LE RES ET RES ET RES ET RES ET OFF ON SEL ECT OR 120 ONLY 120 + 240 RES ET TES T ENM 0000000 5 HOU RS 1/10 OPERATION Continued AUTO-IDLE OPERATION IMPORTANT: Never start en...
Page 13 - MAINTENANCE; Determining Electrical Load For; Figure 18 - Engine Switch In OFF; OFF
13 114716 OWNER’S MANUAL CLOSED OPEN MAINTENANCE AND REPAIRS WARNING: Only a qualified electrical service person should service and repair the alternator on this generator. Use only factory approved replacement parts. HIGH ALTITUDE OPERATION This generator will not perform well at high altitudes with...
Page 14 - POSSIBLE CAUSE
14 114716 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 connections...
Page 15 - WIRING DIAGRAMS; Figure 20 - Wiring Diagram, Model MGR2900; ELECTRICAL; ‡ Resistance between brown and white leads.
15 114716 OWNER’S MANUAL WIRING DIAGRAMS Figure 20 - Wiring Diagram, Model MGR2900 Resistance in Ohms Stator Stator Rotor Rotor Capacitor, Main Auxiliary Primary Secondary MFD Diodes (2) Model Winding * Winding ‡ Winding † Winding † 450 Volt 1000 Volt MGR2900 1.6 5.9 6.9 1.33 16 6 Amp MGR4500I 0.835...
Page 17 - PARTS AVAILABLE - NOT SHOWN; ILLUSTRATED; For Model MGR2900 Alternator; This list contains replaceable parts used in; KEY PART
17 114716 OWNER’S MANUAL 14 27001005S Engine Flange 1 15 WLE-4 Lock Washer, 1/4" 4 16 ** Stator 1 17 27001002 Bearing 1 18 27001009S Diode 2 19 ** Rotor 1 20 27001006 Fan 1 21 26327006 Bolt, 5/16-24 x 5/8" 4 22 WLE-5 Lock Washer, 5/16" 4 PARTS AVAILABLE - NOT SHOWN 099866-03 Safety Infor...
Page 18 - PART NUMBER FOR MODEL; MGR6000I Alternator Assembly
18 114716 PORTABLE GASOLINE GENERATORS R PART NUMBER FOR MODEL KEY NO. MGR4500I MGR6000I DESCRIPTION QTY. 114285-01 114285-02 Alternator Assembly 1 1 115243-01 115243-01 Top Cover, Alternator 1 2 M10908-27 M10908-27 Screw, 10-32 x 1/2" 4 3 115244-01 115244-01 End Cover, Alternator 1 4 115247-01 ...
Page 19 - KEY; Roll Cage; For Model MGR2900 Roll Cage
19 114716 OWNER’S MANUAL KEY PART NO. NUMBER DESCRIPTION QTY. 1 114673-01 Roll Cage 1 2 NEC-5C Lock Nut, 5/16-18 5 3 103289-02 Shock Mount 3 4 * Bolt, 5/16-18 x 1/2" 1 5 WLE-5 Lock Washer, 5/16" 1 6 115388-01 Grounding Strap 1 ILLUSTRATED PARTS LIST For Model MGR2900 Roll Cage This list cont...
Page 21 - Fuel Tank and Roll Cage; instructions listed under
21 114716 OWNER’S MANUAL PART NUMBER FOR MODEL KEY NO. MGR4500I MGR6000I DESCRIPTION QTY. 1 25954002 25954002 Gas Cap/Fuel Gage 1 2 114720-01 114720-01 Gas Tank (with 90° fitting) 1 3 114787-01 114787-01 Screw, 1/4"-28 x 3/4" 4 4 WP-4C WP-4C Washer, 1/4" 4 5 19508001 19508001 Gas Line Cla...
Page 23 - PARTS CENTRALS; Manila Drive; REPLACEMENT; Heavy-Duty Wheel Kit – PA2022; REPAIR SERVICE; WARRANTY SERVICE
23 114716 OWNER’S MANUAL PARTS CENTRALS These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories. Tool & Equipment 5 Manila Drive Hamden, CT 06514-0322 203-248-7553 1-800-397-7553 Grainger Parts ...
Page 24 - KEEP THIS WARRANTY; WARRANTY INFORMATION; FIVE-YEAR LIMITED WARRANTY; sult the applicable state laws.
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. Robin warrants the engine. See ...