Required oil change – Generac DUARDIAN 04077-2 User Manual

Page 13

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Section 3 — M aintenance

Guardian Air-cooled 6 kW, 8 kW and 10 kW Generators

MAINTENANCE

3.1 FUSE

The generator panel’s 15-amp fuse (Figure 3.1) pro­

tects the DC control circuit against overload. The fuse

is wired in series with the battery output lead to the

panel. If the fuse element has melted open, you can­

not crank or start the engine. You should replace the

fuse using only an identical 15-amp replacement.

Figure 3.1 - Generator Control Panel

33 CHANGING THE ENGINE OIL

♦ 3.3.1 ENGINE OIL RECOMMENDATIONS

Use oil of American Petroleum Institute (API)

Service Class SG, SH or SJ. Select the viscosity

based on the air temperature at the time of opera­

tion. See the following chart:

Temperature

Oil Grade (Recommended)

Above

-7°

C (20° F)

SAE 10W-30 or SAE 30

Below -7° C (20° F)

SAE 5W-20 or 5W-30

All Seasons

SAE 5W-30 Synthetic*

^Organic break-in oil is required before using synthetic oil.

NOTE:

The unit is supplied with “break-in” oil. See the

“Service Schedule,” section 3.12, for the

first

required oil change.

3.2 CHECKING THE ENGINE OIL LEVEL

For oil capacities, see “Specifications,” section 1.7.

For engine oil recommendations, see section 3.3.1.

To check the engine oil level, proceed as follows

(Figure 3.2):

1. Start the generator by moving the Auto/

Off/Manual switch to the IVIANUAL position. Allow

it to run for a short while and then shut it down

by moving the switch to the OFF position.

Remove the dipstick and wipe it dry with a

clean cloth.

Install and tighten the dipstick cap; then, remove it

again. The oil level should be at the dipstick “Full”

mark. If necessary, add oil to the “Full” mark only.

DO NOT FILL ABOVE THE “FULL” MARK.

2

.

3.

A-

------

Jk

CAUTION

A

Never operate the engine

with

the oil level

below the "Add" mark on the dipstick. Doing

this could damage the engine.

4. Install and tighten the dipstick.

5. Reset the Auto/ Off/Manual switch to its origi­

nal position.

Figure 3.2

-

Oil Dipstick and Fill

--------- ik CAUTION Jk-----------------------

A

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.

♦ 3.3.2 OIL CHANGE PROCEDURE__________

To change the oil, proceed as follows:

Run the engine until it is thoroughly warmed

up then shut OFF the engine.

Immediately after the engine shuts OFF, pull

the oil drain hose (Figure 3.3) free of its retain­

ing clip. Remove the cap from the hose and

drain the oil into a suitable container.

Figure 3.3 - Oil Drain Hose

1

.

2

.

3.

4.

After the oil has drained, replace the cap onto

the end of the oil drain hose. Retain the hose in

the clip.

Refill with the proper recommended oil (see sec­

tion 3.3.1). See section 1.7.2 (page 6) for oil

capacities.

Oenerac® Power Systems, Inc. 1 i

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