TM 5-2420-230-24-2
Engine Run-In Procedure - (Chassis Dynamometer) (14-06)
Section 14 - Engine Testing - Group 14
Page 14-26
B Series Shop Manual
Operate the engine at 1,500 RPM and 65 percent of
torque peak load for 5 minutes. Check the gauges, and
record the readings.
Operate the engine at torque peak RPM and full load for
4 minutes. Check the gauges, and record the readings.
NOTE: Refer to the engine data sheet for the torque peak
RPM of the engine model being tested.
Operate the engine at rated speed (RPM) and full load for
4 minutes. Check the gauges, and record the readings.
Compare the readings to those published on the appro-
priate engine data sheet.
Caution: Do not shut off the engine immediately after
the run-in is completed. Allow the engine to cool by
operating it at low idle for a minimum of 3 minutes to
avoid internal component damage.
Make sure all instrumentation is removed before remov-
ing the vehicle from the dynamometer.
L-456
