Generac 04675-3 - Manuals

Generac ® Power Systems, Inc. 3 ELECTRICAL HAZARDS • All generators covered by this manual produce dangerous electrical voltages and can cause fatalelectrical shock. Utility power delivers extremelyhigh and dangerous voltages to the transfer switchas does the standby generator when it is in opera-ti...

Only qualified electricians or contractors shouldattempt such installations, which must complystrictly with applicable codes, standards andregulations. 1.1 UNPACKING/INSPECTION After unpacking, carefully inspect the contents for damage. • This standby generator set has been factory sup- plied with a...

Section 1 — General Information Generac Air-cooled 7 kW, 12 kW and 15 kW Generators Generac ® Power Systems, Inc. 5 1.4 THE GENERATOR Exhaust Enclosure Oil Dipstick Data Decal Control Panel FuelRegulator FuelInlet GFCIOutlet Oil Filter Battery Compartment Exhaust Enclosure Oil Filter Battery Compart...

Generac ® Power Systems, Inc. 7 1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS With LP gas, use only the vapor withdrawal system. This type of system uses the vapors formed above the liquid fuel in the storage tank. The engine has been fitted with a fuel carburetionsystem that meets the specifications of...

4. Remove the engine air in baffle located on the left- hand side of the battery compartment. Two M6screws are located on top of the baffle and twoM6 screws are located on the inside of the baffletowards the back. 5. Remove the small hose clamp and hose from the fuel regulator. It may be necessary t...

Generac ® Power Systems, Inc. 9 1.10 BATTERY INSTALLATION Fill the battery with the proper electrolyte fluid if nec-essary and have the battery fully charged beforeinstalling it. Before installing and connecting the battery, completethe following steps: 1. Set the generator's AUTO/OFF/MANUAL switch ...

10 Generac ® Power Systems, Inc. The following procedures are to be observed:• Wear full eye protection and protective clothing;• Where electrolyte contacts the skin, wash it off immediately with water; • Where electrolyte contacts the eyes, immediately flush thoroughly with water and seek medicalat...

Generac ® Power Systems, Inc. 11 8. Connect an accurate AC voltmeter and a frequen- cy meter across transfer switch terminal lugs E1and E2. Voltage should be 242-252 volts; fre-quency should read about 61-63 Hertz. 9. Connect the AC voltmeter test leads across termi- nal lug E1 and neutral; then acr...

12 Generac ® Power Systems, Inc. 2.6 ADJUSTING THE REGULATOR(NATURAL GAS ONLY) Although the generator has been factory set to pro-vide maximum power, it may be necessary in someareas to adjust this setting. Because natural gas hasdifferent BTU or power content across the countrythe engine may not pe...

Generac ® Power Systems, Inc. 13 Section 2 — Post Installation Start-up and Adjustments Generac Air-cooled 7 kW, 12 kW and 15 kW Generators 6. When frequency is correct at no load, check the AC voltage reading. If voltage is incorrect, the volt-age regulator may require adjustment. Figure 2.3 — Sing...

14 Generac ® Power Systems, Inc. Section 3 — Operation Generac Air-cooled 7 kW, 12 kW and 15 kW Generators NOTE: The voltage regulator is housed above the genera-tor's control panel. The regulator maintains a volt-age in direct proportion to frequency. For example,at 62 Hertz, line-to-neutral voltag...

Generac ® Power Systems, Inc. 15 Upon restoration of utility source voltage above a pre-set level, generator circuit board action signals thetransfer switch to transfer loads back to that powersupply. After retransfer, the engine is signalled to shutdown.The actual sequence of operation is controlle...

16 Generac ® Power Systems, Inc. Do not attempt to activate the transfer switchmanually until all power voltage supplies to the switch have been positively turned off.Failure to turn off all power voltage suppliesmay result in extremely hazardous and possiblyfatal electrical shock. 5. Use the manual...

Generac ® Power Systems, Inc. 17 3.7.3.1 Approximate Crank Cycle Times • 15 seconds ON• 7 seconds OFF• 7 seconds ON• 7 seconds OFF• Repeat for 45 seconds Approximately 90 seconds total 3.7.4 OVERSPEED This feature protects the generator from damage byshutting it down if it happens to run faster than...

18 Generac ® Power Systems, Inc. NOTE: The unit is supplied with “break-in” oil. See the“Break-in Procedure,” Section 3.1, for the firstrequired oil change. Any attempt to crank or start the engine beforeit has been properly serviced with the recom-mended oil may result in an engine failure. 4.3.2 O...

Generac ® Power Systems, Inc. 19 4.6 SPARK PLUG(S) Reset the spark plug(s) gap or replace the sparkplug(s) as necessary. See Section 4.13 for mainte-nance requirements. 1. Clean the area around the base of the spark plug(s) to keep dirt and debris out of the engine.Clean by scraping or washing using...

20 Generac ® Power Systems, Inc. 4.8 ADJUSTING VALVE CLEARANCE After the first 50 hours of operation, adjust the valveclearance in the engine. Important: If feeling uncomfortable about doing this procedure or the proper tools are not available, contactthe nearest Generac Authorized dealer for servic...

Generac ® Power Systems, Inc. 21 4.10 ATTENTION AFTER SUBMERSION If the generator has been submerged in water, it MUST NOT be started and operated. Following any sub- mersion in water, have a Generac Authorized Dealer thor-oughly clean and dry the generator. 4.11 CORROSION PROTECTION Periodically wa...

22 Generac ® Power Systems, Inc. Section 4 — Maintenance Generac Air-cooled 7 kW, 12 kW and 15 kW Generators 4.13 SERVICE SCHEDULE ATTENTION: It is recommended that all service work be performed by the nearest Generac Authorized Dealer. SYSTEM/COMPONENT PROCEDURE FREQUENCY X = Action Inspect Change ...

Generac ® Power Systems, Inc. 23 Section 5 — Troubleshooting Generac Air-cooled 7 kW, 12 kW and 15 kW Generators 5.1 TROUBLESHOOTING GUIDE PROBLEM CAUSE CORRECTION The engine will not crank. 1. Fuse blown 1. Replace 15A fuse on generator control panel. 2. Loose, corroded or defective 2. Tighten, cle...

24 Generac ® Power Systems, Inc. Section 6 — Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsWiring Diagram – 12 & 15 kW – Drawing No. 0D8500-B TX - TRANSFORMER, 16 Vac 56 VA & 16 Vac 1 VA (DUAL SEC.) 0 CUSTOMER SUPPLIED BLACK BATTERY 12V LOP HTO 0 SP2 SP1 IM2 86 85 IM1 D ...

32 Generac ® Power Systems, Inc. 35 68 49 52 PRE PACKAGED UNITS ONLY 20 2 49 46 43 4 3 37 33 25 35 34 26 74 77 79 35 49 82 80 51 46 8 80 4 72 87 5 86 76 48 39 92 18 94 91 63 21 15 51 71 42 69 10 52 49 35 51 49 11 31 9 50 99 98 72 46 41 57 27 91 1 56 5 44 60 40 19 12 71 6 97 22 65 68 63 16 69 14 54 4...

Generac ® Power Systems, Inc. 41 Section 7 — Exploded Views and Parts Lists Generac Air-cooled 7 kW, 12 kW and 15 kW Generators 7 kW Generator – Drawing No. 0D3504-D ITEM PART NO. QTY. DESCRIPTION 1 0C6934 1 ADAPTOR, ENGINE 2 0C9935H 1 STATOR 3 0C9934H 1 ROTOR 4 0C6043A 1 CARRIER, REAR BEARING 5 0C8...

50 Generac ® Power Systems, Inc. Section 8 — Mounting Dimensions Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsDrawing No. 0D3739-B T M6PEM-TM6PM6PEM PE REAR VIEW L EFT S IDE VIEW TRANSFER SWITCH R IG HT S IDE VIEW F R O NT VIEW AIR NTAKE (IF SUPPLIED ) "D O N O T LIFT BY THE R OO F" L ...

Generac ® Power Systems, Inc. 51 Section 9 — Notes Generac Air-cooled 7 kW, 12 kW and 15 kW Generators

52 Generac ® Power Systems, Inc. CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board (CARB) and Generac Power Systems, Inc. (Generac) are pleased to explain the EmissionControl System Warranty on your new engine. * In California, new...

Generac ® Power Systems, Inc. 53 EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty (ECS Warranty) for 1995 and later model year engines: (a) Applicability: This warranty shall apply to 1995 and later model year engines. The ECS Warranty Period shall begin on the date the new engine o...

Part No. 0F0084 Revision H (03/28/05) Printed in U.S.A. Section 10 – Warranty Generac Air-cooled 7 kW, 12 kW and 15 kW Generators GENERAC POWER SYSTEMS STANDARD TWO-YEAR LIMITED WARRANTY FOR GENERAC RESIDENTIAL AND LIGHT COMMERCIAL UNITS For a period of two (2) years or two thousand (2,000) hours of...