Changing The Engine Oil - Generac Guardian Serie Manuel Du Propriétaire

Figure 4.1 — Oil Dipstick and Fill, 8kW
Oil Dipstick and Fill
Figure 4.2 — Oil Dipstick, 10kW
5. Install the dipstick.
6. Reset the AUTO/OFF/MANUAL switch to its original position.
7. If the generator was running during a utility outage, first turn
the generator's main circuit breaker back to the ON position.
Second, turn ON needed loads in the residence.
Figure 4.3 — Oil Dipstick and Fill,
12, 14, 16, 17 & 20kW
Oil Dipstick
Oil Fill
Section 4 — Maintenance
Air-cooled Generators
4.3

CHANGING THE ENGINE OIL

 Hot oil may cause burns. Allow engine to cool
before draining oil. Avoid prolonged or repeated
skin exposure with used oil. Thoroughly wash
exposed areas with soap.
4.3.1 OIL CHANGE INTERVALS
See the "Service Schedule" section.
4.3.2 ENGINE OIL RECOMMENDATIONS
All oil should meet minimum American Petroleum Institute (API)
Service Class SJ, SL or better. Use no special additives. Select
the oil's viscosity grade according to the expected operating tem-
perature.
• SAE 30 Above 32° F
• 10W-30 Between 40° F and -10° F
• Synthetic 5W-30 10° F and below
10 W -30 10W -30
Synth et i c 5W- 30 Synthetic 5W-30

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.
4.3.3 OIL & OIL FILTER CHANGE PROCEDURE
To change the oil, proceed as follows:
1. Start the engine by moving the AUTO/OFF/MANUAL switch to
MANUAL and run until it is thoroughly warmed up. Then shut
OFF the engine by moving the switch to the OFF position.
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.
3. After the oil has drained, replace the cap onto the end of the
oil drain hose. Retain the hose in the clip.
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 gasket of the
new filter. See the Specifications section for recommended
filter.
S AE 30 S AE 30
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