Section 4 — Maintenance
Guardian
Figure 4.4 – Oil Drain Hose and Filter
Low Oil Switch |
| High Temp Switch |
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Loosen
Oil
Drain
Hose
Oil Filter
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.
18 Generac® Power Systems, Inc.
Figure 4.6 — 7 kW, Engine Air Cleaner Location
| Air Cleaner | Fuel | ||
Regulator | |||
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Figure 4.7 — 12 kW and 15 kW Engine
Air Cleaner
Screw
Cover
Filter
4.6SPARK PLUG(S)
Reset the spark plug(s) gap or replace the spark plug(s) as necessary. See Section 4.13 (Page 22) for maintenance 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 a wire brush and commercial solvent. Do not blast the spark plug(s) to clean.
2.Remove the spark plug(s) and check the condi- tion. Replace the spark plug(s) if worn or if reuse is questionable. See Section 4.13 (Page 22) for recommended inspection.