Section 4 — Maintenance
Guardian
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 for oil capaci- ties.
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.
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 4.6 — 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