Changing the Engine OIL, Changing the OIL Filter

4.3CHANGING THE ENGINE OIL

4.3.1 ENGINE OIL RECOMMENDATIONS

Use oil of American Petroleum Institute (API) Service Class SG, SH or SJ. Use all season SAE 5W-30 Synthetic oil. Organic break-in oil is required before using synthetic oil.

NOTE:

The unit is supplied with “break-in” oil. See the “Break-in Procedure,” Section 3.1 (Page 13), 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 4.3) free of its retaining clip. Remove the cap from the hose and drain the oil into a suitable container.

Section 4 — Maintenance

Air-cooled 8.5 kW Generator

Figure 4.3 – 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 4.3).

4.Refill with the proper recommended oil (see Section 4.3.1). 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 8.5 KW GENERATORS

See Figure 1.2, (Page 5), for the location of your air cleaner. Use the following procedure:

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 4.11 (Page 19) for air cleaner maintenance. See Section 1.5.1 (Page 6) for air filter replacement part number.

Generac® Power Systems, Inc. 17