Page 1: ...I 3 500 Watt AC Generator Manual No 18721I Revision 0 8 31 2000 Visit our Generac website www generac portables com This is the safety alert symbol It is usedto alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death ...
Page 2: ...ating at excessively low speedsimposes a heavyload When adequate engine power is not availableengine life may be shortened SAFETY RULES This generator set was designed and manufactured for specific applications Do Not attempt to modify the unit or use it for any application it was not designed for If you haveany questions about your generator s application ask your dealer distributor or consult th...
Page 3: ... at least 2 feet of clearance on all sidesof generator even while operating unit outdoors or you could damagethe unit Never start or stop the unit with electrical loads connected to receptacles with the connected devices turned ON Start the engine and let it stabilize before connecting any electrical loads Disconnect all electrical loads before shutting down the generator Do Not insertany object t...
Page 4: ...eceptacle May be used to supply electrical power for the operation of 120Volt AC 30 Amp single phase 60 Hz electrical lighting appliance tool and motor loads 120 240 Volt AC 20 Amp Receptacle May be used to supplyelectrical power for the operation of 120and or 240 Volt AC 20 Amp single phase 60 Hz electrical lighting appliance tool and motor loads Circuit Breakers AC Each receptacle is provided wi...
Page 5: ...TE Be sure to installboth wheelswith the air pressure valveon the outboard side Retain wheel on axle with the retaining pin You may acid the fiat washer if desired Repeat step 3 and 4 to secure second wheel Remove the existing hardware from the vibration mounts with 13mm wrench Use the same hardware to attach the mounting leg Remove the temporary blocks Center the handle bracket on generator frame...
Page 6: ...k _ WARNING Do Not overfill the fuel tank Always allow room for fuel expansion Use regular UNLEADED gasoline with the Generator engine Do Not use premium gasoline Do Not mix oil with gasoline Clean area around fuel fill cap remove cap Add unleaded regular gasoline slowly to fuel tank Be careful not to overfill Allow about I 2 of tank space for fuel expansion Figure 3 1 2 Air Space Tank Install fue...
Page 7: ...e engine owner s manual for complete starting instructions Grasp starter grip and pull slowty untilyou feel slight resistance then pull quickly Easethe starter rope back into the engine When engine starts move choke lever to Run position by sliding it all the way to the right awayfrom the valve cover and under the arrow NOTE If engine fails to start after 3 pulls move the choke leverto Half choke ...
Page 8: ... protective goggles rubber apron and rubber gloves when working around a battery Battery electrolyte fluid is an extremely caustic sulfuric acid solution that can causesevere burns If spill occurs flush area with clear water immediately Your generator hasthe capability of recharging a discharged 12Volt automotive or utility style storage battery Do Not use the unit to charge any 6 Volt batteries D...
Page 9: ...move shelter when temperature is above 40 F 4 C For a more permanent shelter build a structure that will enclose three sidesand the top of the generator Make sure entire muffler side of generator is exposed A typical shelter is shown in Figure7 Ensure a minimum of two feet clearance between open side of box and nearest object Face exposed end away from wind and elements Enclosure should hold enoug...
Page 10: ...r 120 Volt AC 30 Amp Locking Receptacle Use a NEMA L5 30 plug with this receptacle Connect a 3 wire cord set rated for 125Volts AC at 30 Amps to the plug Figure 10 3 Wire Cord Set NEMA L5 30 _ Ground Green Neutral 120V Hot Use this receptacle to operate 120 Volt AC 60 Hz single phase loads requiring up to 3 500 watts 3 5 kW of power at 29 2 Amps The outlet is protected by a push to reset circuit b...
Page 11: ... high starting wattage when selecting electrical devices to connect to your generator First figure the watts needed to start the largest motor Add to that figure the running watts of all other connected loads Items in the wattage reference guide Figure II are provided to help you to determine how many items the generator can operate at one time Recreational Home Uses Tool Appliance Watts AM FM clo...
Page 12: ...rotor and stator winding insulation Water and dirt buildup on the generator internal windings wit eventually decrease the insulation resistance of these windings To Clean the Generator Use a damp cloth to wipe exterior surfaces clean Soft bristle brush may be used to loosen caked on dirt or oil A vacuum cleaner may be used to pick up loose dirt and debris Low pressure air not to exceed 25 psi may ...
Page 13: ...nnect another devicethat isin good condition 4 Contact Generac service facility I Disconnect shorted electrical load 2 See Don t Overload the Generator on page II 3 Contact Generac service facility 4 Contact Generac service facility I Set switch to Run 2 Clean or replace air cleaner 3 Fill fuel tank 4 Drain gastank and fill with fresh fuel 5 Connect wire to spark plug 6 Replacespark plug 7 Drain g...
Page 14: ...ator ID_ELF_i_I_ ELECTRICAL SCHEMATIC 3 w LOP SWITCH 3PARK PLUG ENG IGNITION BATTERY CHARGE BRN BLK 66 55 RED BLK AUTO 13 55 RESET IOA CB BRN 77 I CB _d WOJ LdOJ 0_ O_OJ LD_ W O _ LdCd OrOJ I RED GRN 0 wOJ S F H E D D G A E s G N A l _ c CB 14 ...
Page 15: ...NG DIAGRAM BLU 11 GRY 44A RED 22 GRN 0 BLU llB RED u GRY 120V 15A GRN 0 RED 13 RED 13 IDLE CONTROL TRANSFORMER GRY BOARD RE BATTERY CHARGE RECTIFIER GATE 3 PIN SIGNAL CONNECTOR ON ENGINE p_ LOW OIL PRESSURE SWITCH LOW OIL PRESSURE LED NUT ON ENGINE _LOCK I 15 ...
Page 16: ...I j _ I Generac Portable Products 3 500 Watt Generator EXPLODED VIEW MAIN UNIT 52 63 5O 10 54 _ _ 55 DETAIL X 3 SEE DETAIL Y 32 36 I 62 8 11 6 39 26 65 D_AIL 30 38 37 15 66 5 2O _13 12 I 13 DETAIL Y 16 ...
Page 17: ... Taptite BOLT M6 1 0 x 115 Stator RECTIFIER Battery Charge MS 0 7 x 20 Taptite GROMMET Rubber MODULE Drive ASSEMBLY Brush Holder M5 0 7 x 16 Taptite COVER Bearing Carrier SCREW M6 1 0 x 16ram Wing Item 42 43 44 46 47 48 49 50 51 52 3 54 Part Qty 86292 77395 83465 78831B 80270 78299 85134 88325 884042 84687 85000 14353621 55 23762 56 26850 60 B4356 61 92982 62 B4357 63 93826 64 BI432 65 20566 66 77...
Page 18: ...T 120Volt 30 Amp Locking CIRCUIT BREAKER 30 Amp CIRCUIT BREAKER 18 Amp SWITCH On Off Rocker GROMMET Rubber CIRCUIT BREAKER 10 Amp CONTROL BOARD System Item 13 14 15 16 17 18 19 21 22 23 24 25 26 Part 84028 67022 85584 84543A 84543C 84198 84197 75476 22264 51715 84543B 84335 82542 Qty Description I TRANSFORMER Idle Control I GROMMET Rubber I BAR Bus 2 SCREW 3 0 x 12mm 9 SCREW 3 5 x 18mm 3 SHIELD Ci...
Page 19: ...WHEEL KIT 1 8 7 USE EXISTIN8 FASTENERS TQ SECURE ITEbl 8 Item Part Qty Description I B4217 I ASSEMBLY Handle 2 BI764 I LEG Mounting 3 52858 2 NUT Locking Hex M8 1 25 4 39287 2 HHCS M8 1 25x 45 5 93693F I AXLE 6 B4966 2 WHEEL 10 Diameter 7 87005A 2 PIN Retaining 8 22247 2 WASHER Flat 19 ...
Page 20: ...ts which have been subjected to improper or unauthorized installation or alteration misuse negligence accident overloading overspeeding improper maintenance repair or storage so as in the COMPANY s judgement to adversely affect its performance and reliability NORMAL WEAR As with all mechanical devices the generator need periodic parts service and replacement to perform well This warranty will not ...
