TM 5-2420-230-24-2
Section 14 - Engine Testing - Group 14
Engine Run-In Procedure - (Chassis Dynamometer) (14-06)
B Series Shop Manual
Page 14-25
Caution: Do not shut off the engine immediately after
the last step of the run-in is completed. Allow the engine
to cool by operating at low idle for a minimum of 3 min-
utes to avoid internal component damage.
Engine Run-In Procedure - (Chassis
Dynamometer) (14-06)
Caution: Refer to General Engine Test Procedures -
(Chassis Dynamometer) (14-05) before operating the en-
gine to avoid internal component damage.
NOTE: Refer to Chassis Dynamometer Operation on page
14-19 for general operating procedures and safety precau-
tions.
NOTE: Operate the vehicle in a gear that produces a road
speed of 90 to 95 km/h [ 55 to 60 mph].
Operate the engine at 1,200 RPM and 25 percent of
torque peak load until the water temperature reaches
70C [160F].
Operate the engine at 1,200 RPM and 40 percent of
torque peak load for 2 minutes. Check the gauges, and
record the readings.
L-455
