Subaru Robin Power Products RGx4800 - Manual (Page 10)

4. PRE-OPERATION CHECKS
7
ENGLISH
Upper level
Oil filler cap
(Oil gauge)
Lower level
CHECK ENGINE OIL
Before checking or refilling oil, be sure
generator is located on stable and level
surface with engine stopped.
Remove oil filler cap and check the
engine oil level.
If oil level is below the lower level line,
refill with suitable oil (see table) to
upper level line. Do not screw in the
oil filler cap when checking oil level.
Change oil if contaminated.
(See "How-To" Maintenance.)
Recommended engine oil :
Use 4-stroke automotive detergent oil
of API service class SE or higher grade
(SG, SH or SJ is recommended). SAE
10W-30 or 10W-40 is recommended
for general, all-temperature use. If
single viscosity oil is used, select the
appropriate viscosity for the average
temperature in your area.
Ambient
temperature
Single grade
Multigrade
5W
10W
20W
#20
#30
#40
10W-30
10W-40
RGX2900 . . . . . . . . . . . . . . . . . . 0.6
RGX3600 . . . . . . . . . . . . . . . . . . 0.6
RGX4800 . . . . . . . . . . . . . . . . . . 1.0
Oil capacity (Upper level) : (L)