Section 4 — Maintenance

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

‹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.

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 (Page 6) for oil capacities.

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 (Page 6) for recommended 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, Page 17). See Section 1.5.2 (Page 6) for oil capacities.

5.Start the engine and check for leaks.

4.5CHANGING THE ENGINE AIR CLEANER

‹4.5.1 7 KW, 12 KW AND 15 KW GENERATORS

See Figures 1.1 and 1.2, (Page 5), for the location of your 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 (Page 22) for air cleaner maintenance. See Section 1.5.1 (Page 6) for air filter replacement part number.

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

Cover

Filter

18

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Generac Power Systems 04760-0, 04758-0, 04759-0 owner manual Changing the OIL Filter, ‹ 4.3.2 OIL Change Procedure
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04760-0, 04759-0, 04758-0 specifications

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