Textron Lycoming IO-540 Series Operator's Manual page 44

TEXTRON LYCOMING OPERATOR'S MANUAL
SECTION 3
0-540 & 10-540 SERIES
OPERATING CONDITIONS (Cont.)
Fuel
Cons.
RPM HP Gal./Hr.
Max.
Oil Cons.
Qts./Hr.
*Max
Cyl. Head
Temp
Operation
IO-540-A, -B, -E, -G, -P Series
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(60% Rated)
2575 290 ----- 0.97 500°F. (260°C.)
2350 220 16.5
0.73 500°F. (260°C.)
2200 175 12.0 0.5 500°F. (260°C.)
IO-540-C, -J Series **
2575 250 ----- 0.83 500°F. (260°C.)
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(60% Rated)
2350 190 16.5 0.63 500°F. (260°C.)
2200 150 12.5 0.50 500°F. (260°C.)
IO-540-D, -N, -R, -T, -V Series
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(60% Rated)
2700 260
2450 195
-- 0.87 500°F. (260°C.)
15.0 0.65 500°F. (260°C.)
2350 155 12.0 0.52 500°F. (260°C.)
IO-540-K, -L, -M, -S Series
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(60% Rated)
2700 300 --
2450 225 18.0
1.0 500°F. (260°C.)
0.75 500°F. (260°C.)
2350 180 12.8 0.60 500°F. (260°C.)
* - At Bayonet Location - For maximum service life of the engine maintain
cylinder head temperatures between 150°F. and 435°F. during continuous
operation.
** - Limiting manifold pressure for continuous operation of IO-540-C4B5,
-C4C5, -J4A5 with Hartzell propeller HCE2Y type hub and 8465-7R blades.
Do not exceed 27 inches manifold pressure below 2300 RPM.
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