TM 5-3810-307-24-2-2
CAUTION
Shutting off the engine immediately after
operating at full load will damage the
turbocharger and internal components.
Always allow the engine to cool before
shutting it off.
Remove the dynamometer load completely, and operate
the engine at 700 RPM for 3 to 5 minutes. This period
will allow the turbocharger and other components to
cool.
Shut off the engine.
Engine Dynamometer Test - Perfor-
mance Checking (14-03)
Make sure the air compressor will be unloaded during
the performance check.
Apply regulated air pressure of 655 kPa [95 psi] to the
air compressor unloader (1).
CAUTION
Do not crank the engine for more than 30
seconds. Excessive heat will damage the
starting motor.
Crank the engine and observe the oil pressure when the
engine starts. If the engine fails to start within 30
seconds, allow the starting motor to cool for 2 minutes
before cranking the engine again.
14-18