Changing The Engine Oil; Changing The Engine Air Cleaner; Section 4 - Maintenance - Generac Power Systems 8KW Owner's Manual

4.3 CHANGING THE ENGINE OiL
4..1 IL HAN E iNTERVAL
See the "Service Schedule" section.
4..2 EN INE ILRE MMENDATI N
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 temperature.
. SAE 30 --) Above 32 ° F
. 10W-30 -_ Between 40 ° F and -10 ° F
. Synthetic 5W-30 ") 10 ° F and below
"_I_ CAUTION _"
Z_ 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.
°F -20 -10 0 10 20 32 40 60 80 100
°c-3'o
-2'o -;o o Io 2o 3'o &
Temperature Range of Expected Use
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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 gas-
ket of the new filter. See the Specifications section
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).
Section 4 - Maintenance
Air-cooled Generators
MAINTENANCE
4. Refill with the proper recommended oil (see the
Engine Oil Recommendations section). See the
Specifications section for oil capacities.
5. Start the engine, run for one (1) minute, and
check for leaks.
6. Shutdown and recheck oil level, add as needed.
DO NOT OVER FILL.
7. Reset the AUTO/OFF/MANUAL switch to the
AUTO position.
Figure 4.4 - Oil Drain Hose and Filter
LowOil Switch
HighTq mp Switch
Oil Filter
Oil
Drain
Hose
\
NOTE:
The oil drain hose may be routed in the opposite
direction
as shown
in figure.
4.4
CHANGING THE ENGINE
AIR CLEANER
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4.4.1 12 14 16 17 & 20KWGENERATORS
See "The Generator" section for the location of the air
cleaner. Use the following procedures (Figure 4.5):
1. Lift the roof and remove the door.
2. Turn the two screws counterclockwise to loosen.
3. Remove the cover and air filter.
4. Wipe away dust or debris from inside of the air
box and around edges.
5. Install the new air cleaner into the air box.
6. Install the cover. Turn the two cover screws clock-
wise to tighten.
See the Service Schedule section for air cleaner main-
tenance. See the Specifications section for air filter
replacement part number.
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