154
STARTING AND OPERATING
S
TOPPING
T
HE
E
NGINE
After full load operation, idle the engine for a few minutes before shutting it down. This idle period will allow the lubricating oil and coolant to carry
excess heat away from the turbocharger.
NOTE:
Refer to the following chart for proper engine shutdown.
NOTE:
Under certain conditions the engine fan will run after the engine is turned off. These conditions are under high load and high temperature conditions.
Driving Condition
Load
Turbocharger Temperature
Idle Time (min.)
Before Engine Shutdown
Stop and Go
Empty
Cool
None
Stop and Go
Medium
0.5
Highway Speeds
Medium
Warm
1.0
City Traffic
Maximum GCWR
1.5
Highway Speeds
Maximum GCWR
2.0
Uphill Grade
Maximum GCWR
Hot
2.5
21_JT_OM_EN_USC_t.book Page 154