Firman ECO4000 - Page 14

CHECK ENGINE OIL
Remove oil filter cap and check the engine
oil level.
Oil capacity:
Model................Upper level
ECO4000/ECO4000RE.............20 oz
ECO7000/ECO7000RE.............38 oz
ECO8000/ECO9000RE.............38 oz
Change oil if contaminated. (See “HOW-TO”
MAINTENANCE)
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.
Multigrade
Ambient
-20 -10
0
10
20
30
40
-4
14
32
50
68
86
104
5W
10W
20W
#20
#30
#40
10W-30
10W-40
Single grade
C
F
Page 13
Before checking or refilling oil, be sure the
generator is put on a stable and level surface
with engine stopped.
temperature