Operation; Suggested Warm-Up Time; Idle Speed - Navistar MaxxForce DT Operation And Maintenance Manual

WARNING
To prevent personal injury or death, do not
attach jumper cable to the negative (-) dead
battery terminal. This can cause sparks and an
explosion.
5. Connect one end of the second jumper cable to the negative
(-) terminal of the booster battery and the other end to
chassis frame of the vehicle with the dead battery.
6. Start engine in vehicle that has the charged battery.
7. Start engine in vehicle that has the dead battery.
WARNING
To prevent personal injury or death, always
disconnect jumper cable from negative contacts
first.
8. Disconnect jumper cable from negative terminal and chassis
frame.
9. Disconnect jumper cable from positive battery terminals or
one terminal and jump start stud.
SECTION 4 – ENGINE OPERATION

Operation

SUGGESTED WARM-UP TIME

NOTE: Before applying a load or increasing speed above
1,000 rpm, warm up engine for a minimum of 5 minutes at
or below 1,000 rpm. The warm-up period allows lubricating
oil to establish a film between moving parts.
After allowing the engine to warm up for 5 minutes, begin
operating the vehicle at reduced engine speeds and load
until it reaches operating temperature.
temperature is reached, begin normal operation. The Cold
Ambient Protection (CAP) system aids in engine warm up
and maintains engine heat during extended idling periods.
See Cold Ambient Protection (CAP) (page 54).

IDLE SPEED

Low idle speed forMaxxForce
rpm (nonadjustable). If the engine coolant temperature is below
70 °C (158 °F), the Engine Control Module (ECM) will adjust the
low idle speed from 700 rpm to a maximum of 875 rpm. High
idle speed is a nonadjustable factory setting.
WARNING
To prevent personal injury or death, provide
ventilation when operating an engine in a closed
area. Inhalation of exhaust gas can be fatal.
®
DT, 9, & 10 Diesel Engines is 700
Once operating
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