TM 5-2420-230-24-2
Section 14 - Engine Testing - Group 14
Engine Run-In Procedure ``In Chassis' (14-07)
B Series Shop Manual
Page 14-27
Engine Run-In Procedure ``In Chassis''
- (On- and Off-Highway Vehicles)
(14-07)
On-Highway
Caution: Refer to General Engine Test Procedures -
(Chassis Dynamometer) (14-05) before operating the
engine to avoid internal component damage.
Operate the engine at 1,500 to 1,800 RPM in high gear
for the first 80 to 160 kilometers [50 to 100 miles] after
rebuild.
NOTE: Do not idle the engine for more than 5 minutes at any
one time during the first 160 kilometers [100 miles] of
operation.
Off-Highway
Caution: Refer to General Engine Test Procedures -
(Chassis Dynamometer) (14-05) before operating the en-
gine to avoid internal component damage.
Operate the engine as follows during the first 3 hours after
rebuild:
1. Do not idle the engine for more than 5 minutes at any
one time.
2. Operate the engine at 75 percent throttle while loaded.
L-457