Leaning With An Egt Indicator - Cessna 182T 2001 Pilot Operating Handbook

SECTION 4 - NORMAL PROCEDURES
FAA APPROVED
For reduced noise levels, it is desirable to select the lowest RPM
in the green arc range for a given percent power that will provide
smooth engine operation. The cowl flaps should be opened, if
necessary, to
approximately two-thirds of the normal operating range (green arc).
80% POWER
ALTITUDE
KTAS
4000 feet 141
6000 feet 144
8000 feet - - -
10000 feet - - -
Figure 4-3. Cruise Performance Table
Cruise performance data in this handbook is based on a
recommended lean mixture setting which may be established using
the EGT indicator at powers of 80% MCP and lower as follows:
1. Lean the mixture slowly until the EGT peaks and begins to
drop.
2. Enrichen as needed to ensure operation at peak.
3. If engine operation is rough at peak EGT, further enrichen for
smooth operation.

LEANING WITH AN EGT INDICATOR

The exhaust gas temperature (EGT) may be used as an aid for
mixture leaning in cruising flight at 80% power or less. To adjust the
mixture, using this indicator, lean to establish the peak EGT as a
reference point, enrichen the mixture by the desired increment
based on Figure 4-4, EGT Table.
4-26
maintain the cylinder
75% POWER
NMPG KTAS NMPG
10.2 138 10.6
10.4 140 10.8
- - - 142 11.0
- - - - - - - - -
MODEL 182T
head temperature
55% POWER
65% POWER
KTAS NMPG KTAS
129 11.3 118
131 11.4 120
133 11.6 122
135 11.8 124
Apr 30/01
CESSNA
at
NMPG
11.8
12.0
12.1
12.3