TEXTRON
LYCOMING
OPERATOR'S
MANUAL
0-540 & 10-540 SERIES
SECTION 3
OPERATING
CONDITIONS
(Cont.)
Fuel Max.
Cons. Oil Cons.
RPM
HP Gal./Hr.
Qts./Hr.
*Max
Cyl. Head
Temp
Operation
0-540-J Series **
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(60% Rated)
2400 235
2200 175
-- 0.78 500°F. (260 C.)
14.0 0.58 500°F. (260°C.)
2000 140
10.2 0.47 500
F. (260°C.)
0-540-L3C5D ***
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(60% Rated)
2400 235
2200 175
-- 0.78 500 F. (260 C.)
15.0 0.58 500°F. (260°C.)
2000
140 10.3 0.47
500 F. (260°C.)
* - At Bayonet Location - For
maximum service life of the engine
maintain
cylinder head temperature between 150°F. and 435°F. during continuous
operation.
** - Model
0-540-J
Engines - manual
leaning to best
economy is
permit-
ted at cruise conditions up to 75% power resulting in a BSFC of .430
Ibs./BHP./hr.
Minimum allowable
BSFC at take-off and climb conditions
is .500 Ibs./BHP./hr.
Model 0-540-J3A5D Engines - Manual leaning is permitted at cruise con-
ditions up to 85% power resulting in a BSFC .420 Ibs./BHP./hr. at best
economy and .460
Ibs./BHP./hr. at best power.
Minimum allowable BSFC
at take-off and climb conditions is .500 Ibs./BHP./hr.
*** - Model 0-540-L Engines
- Manual leaning at best economy
is permit-
ted at cruise
conditions up to 75% power
resulting in a BSFC of .430
Ibs./BHP./hr. Minimum allowable BSFC at take-off and climb is .550
Ibs./BHP./hr.
3-15