Firman Premium serie Instrucciones Y Manual Del Propietario página 14

CHECK ENGINE OIL
Before checking or refilling oil, be sure the
generator is put on a stable and level surface
with engine stopped.
Remove oil filter cap and check the engine
oil level.
If oil level is below the lower level line, refill
with suitable oil (see table below) to upper
level line. Do not screw in the oil filler cap
when checking oil level.
Change oil if contaminated. (See "HOW-TO"
MAINTENANCE)
Oil capacity:
Model................Upper level
ECO4000/ECO4000RE.............20 oz
ECO7000/ECO7000RE.............38 oz
ECO8000/ECO9000RE.............38 oz
Single grade
Multigrade
Ambient temperature
5W
10W
-20 -10
32
-4 14
Page 13
20W
#20
#30
10W-30
10W-40
0
20
10
68
50
#40
40 C
30
104 F
86