Teledyne TSIO-360-RB, Maintenance Manual

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23-6
c. Repeat static runup and readjust pressure as required to obtain fuel pump pressure of
35 to 45 psig.
Idle Mixture: Check and adjust idle mixture as follows:
Idle Performance
a. Operate the engine at 1500 to 1800 rpm until cylinder head temperatures are 250
°
F to
350
°
F and the oil temperature is 160
°
F to 180
°
F.
b. Reduce the engine speed and stabilize it at 700
±
25 RPM.
c. Slowly but positively, move the mixture control from FULL RICH toward IDLE CUTOFF.
The engine speed should increase 25 to 50 rpm before beginning to drop toward zero.
d. If the engine speed increase is less that 25 rpm, the mixture is too lean and you will
need to adjust the idle mixture set screw to enrich the mixture. If the engine speed
increase is more that 50 rpm, the mixture is too rich and you will need to adjust the idle
mixture set screw to lean the mixture.
FIGURE 23-3. FUEL MIXTURE ADJUSTMENT