l-8 OIL SPECIFICATIONS
Use high quality detergent oil of API (American Petroleum
Institute) service class SF. Select viscosity based on the
air temperature at the time of operation as shown below:
RECOMMENDED SAE VISCOSITY GRADES
!
I
I
I
I
I 1 I
'F -50 6
T 1 r I I
20
32 40 60 80 100
t
I I
T
I
I I
I
c-30 -20 -10
0 10 20 30 40
TEMPERATURE RANGE EXPECTED BEFORE NEXT OIL CHANGE
l
Straight 30 weight oil is preferred. If multi-viscosity is
used, be aware of the resulting increase in oil consump-
tion and combustion deposits when used in temperatures
above 32’ F (0” C).
I
Using other than service class SF oil, or extending oil
change intervals longer than recommended could cause
engine damage which is not covered by the engine
warranty.
On a new engine, change the oil after the first five hours of
operation, and thereafter on K181QS and K341 QS change
oil every 25 hours. On KT17, K582QS and L654, change
oil every 50 hours.
I-9. FUEL SPECIFICATIONS
For best results, use only clean, fresh, regular grade
unleaded gasoline with a pump sticker octane rating of 87
or higher in the U.S.A. In countries using the Research
MODEL
CAPACITY
35kW
1 Quart (0.95 Iitres)
4.5kW (Single)
2 Quarts (1.89 litres)
4.5kW (KT17
Series I)
3.8 Quarts (3.6 litres)
4.5kW (KT17
Series II)
1.5 Quarts (1.4 litres)
5.5kW
4 Quarts (3.78 litres) (Additional
l/2 quart (0.47 litres) when filter
is replaced)
7kW
4 Quarts (3.78 litres) (Additional
l/2 quart (0.47 litres) when filter
is replaced)
7.5kW
5 U.S. Quarts (4.73 Iitres)
Unleaded is recommended since it leaves less combus-
tion chamber deposits. Regular grade leaded gasoline
may also be used; however, be aware that the combustion
chamber and cylinder head will require more frequent
service.
Use fresh gasoline to ensure it is blended for the season,
and to’ reduce the possibility of gum deposits forming
which could clog the fuel system. Do not use gasoline left
over from the previous season.
Gasohol containing no more than 10% ethanol can be
used if unleaded gasoline is unavailable. Never use gas-
ohol containing more than 10% ethanol or gasoline con-
Table 1-5. Oil Capacity
rating method, it should be 90 octane minimum.
taining methanol. Do not add oil to the gasoline.
RADIATOR FILL
\
SPARK
PLUGS
CRANKCASE
A
BREATHER
\ /I\\
(HIDDEN)
I
CIjRBURETOR
VALVE
TAPPET,
COVER
BELTTENSION
ADJUSTMENT
GOVERNOR
ADJUSTMEN
OIL PRE
GAUGE
/
/
OIL
FILL/CHECK
MOUNTING
I /
OIL PRESSURE
ADJUSTMENT
\
\
CONTROLLER
\
GROUN
FUEL
OIL
FUEL
DRAIN
STRAF
TRAY
SOLENOID
PUMP
C
REMO’
CONTR
:ONNEC
TE
OL
TOR
Figure 1-5. Service Side View of Kohler 7500 Watt RV Generator Set
c
l-5
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