TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Engine Run-in (Chassis Dynamometer) (014-003)
Section 14 - Engine Testing - Group 14
Page 14-9
Engine Run-in (Chassis
Dynamometer) (014-003)
Test (014-003-012)
NOTE: Refer to Procedure 014-002 before operating the
engine to avoid internal component damage.
NOTE: Refer to Procedure 014-005 for general operating
procedures and safety precautions.
NOTE: Operate the vehicle in a gear that produces a road
speed of 90 to 95 km/h [56 to 59 mph].
Operate the engine at 1200 rpm and 25 percent of torque
peak load until the water temperature reaches 70C
[158F].
Operate the engine at 1200 rpm and 40 percent of torque
peak load for 2 minutes. Check the gauges, and record the
readings.
Operate the engine at 1600 rpm and 65 percent of torque
peak load for 5 minutes. Check the gauges, and record the
readings.
L-1307