Section 4 — Maintenance

Generac Air-cooled 7 kW, 12 kW and 15 kW Generators

NOTE:

The unit is supplied with “break-in” oil. See the “Break-in Procedure,” Section 3.1, for the first required oil change.

Any attempt to crank or start the engine before

!it has been properly serviced with the recom- mended oil may result in an engine failure.

‹4.3.2 OIL CHANGE PROCEDURE

To change the oil, proceed as follows:

1.Run the engine until it is thoroughly warmed up then shut OFF the engine.

2.Immediately after the engine shuts OFF, pull the oil drain hose (Figure 4.4) free of its retaining clip. Remove the cap from the hose and drain the oil into a suitable container.

4.5CHANGING THE ENGINE AIR CLEANER

‹4.5.1 7 KW, 12 KW AND 15 KW GENERATORS

See Figures 1.1 and 1.2, for the location of the air cleaner. Use the following procedure (Figure 4.6):

1.Turn the two screws counterclockwise to loosen.

2.Remove the cover and air filter.

3.Wipe away dust or debris from inside of the air box and around edges.

4.Install the new air cleaner into the air box.

5.Install the cover. Turn the two cover screws clock- wise to tighten.

See the “Service Schedule,” Section 4.13 for air cleaner maintenance. See Section 1.5.1 for air filter replacement part number.

Figure 4.4 – Oil Drain Hose and Filter

Loosen

Oil

Drain

Hose

Oil Filter

3.After the oil has drained, replace the cap onto the end of the oil drain hose. Retain the hose in the clip.

4.Refill with the proper recommended oil (see Section 4.3.1). See Section 1.5.2 for oil capaci- ties.

Figure 4.6 — 7 kW, Engine Air Cleaner Location

Air Cleaner

Fuel

Regulator

 

 

 

Figure 4.7 — 12 kW and 15 kW Engine

Air Cleaner

Screw

4.4CHANGING THE OIL FILTER

Change the engine oil filter as follows:

1.With the oil drained, remove the old oil filter by turning it counterclockwise.

2.Apply a light coating of clean engine oil to the gas- ket of the new filter. See Section 1.5.1 for recom- mended filter.

3.Screw the new filter on by hand until its gasket lightly contacts the oil filter adapter. Then, tighten the filter an additional 3/4 to one turn (Figure 4.4).

4.Refill with the proper recommended oil (see Section 4.3.1). See Section 1.5.2 for oil capaci- ties.

5.Start the engine and check for leaks.

18 Generac® Power Systems, Inc.

Cover

Filter

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Generac 04674-2, 04673-2 Changing the OIL Filter, ‹ 4.3.2 OIL Change Procedure, ‹ 4.5.1 7 KW, 12 KW and 15 KW Generators
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04674-2, 04675-3, 04673-2 specifications

Generac, a prominent name in the power equipment sector, offers a range of reliable and efficient energy solutions, including the models Generac 04673-2, 04675-3, and 04674-2. These models are designed to meet diverse consumer needs, from residential applications to larger commercial setups, providing dependable backup power during outages.

The Generac 04673-2 is a standout home standby generator specifically engineered for residential use. It boasts an automatic operation feature, ensuring that power is restored within seconds of an outage. This model operates on a robust Generac engine, delivering a reliable power output that can support essential household appliances and systems, including HVAC units, refrigerators, and sump pumps. One of the main characteristics of this generator is its Quiet Test mode, which runs at a lower RPM to minimize noise while conducting weekly self-tests, ensuring that the system is always ready when needed.

Moving on to the Generac 04675-3, this model offers enhanced features tailored for users needing higher power output. With a larger capacity, it can handle more demanding power needs, making it suitable for larger homes or small businesses. The 04675-3 is equipped with advanced technologies, including the Mobile Link™ remote monitoring system, which enables users to check the status and performance of their generator from anywhere using a smartphone or computer. This connectivity empowers users with real-time information and alerts regarding their generator's operational performance.

The Generac 04674-2 model rounds out the trio, engineered for those who need a powerful standby generator with a slightly different configuration. It features the same robust engine as the other models, ensuring reliability and user-friendly operation. Its standout feature is the integrated transfer switch capability, which allows for seamless transfer of power from the grid to the generator without manual intervention. This model also supports various fuel types, providing flexibility depending on user preference and availability.

All three Generac models focus on safety and efficiency, incorporating features such as excellent ventilation systems, all-weather enclosures, and user-friendly control panels. They are designed for low maintenance, ensuring long-lasting performance without extensive upkeep. With Generac's commitment to innovation and quality, these generators offer peace of mind, enabling users to maintain their lifestyles and operations without interruption during power outages. Whether for home or business use, the Generac 04673-2, 04675-3, and 04674-2 models represent a reliable choice in emergency power solutions.
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