Engine Starting
Cummins
NOTE: Before starting the engine, read Chapter 3
in this manual for detailed information on how to
read the instruments and operate the controls.
CAUTION
When starting a vehicle equipped with a manual
transmission and clutch lock out switch, the clutch
pedal must be fully depressed during the entire
start sequence. Failure to do so can cause the pin-
ion to release and re-engage, which could cause
ring gear and starter pinion damage.
If a vehicle does not start on the first attempt, make
sure that the engine has completely stopped rotat-
ing before reapplying the starter switch. Failure to
do so can cause the pinion to release and re-
engage, which could cause ring gear and starter
pinion damage.
Moving a vehicle with the starter and/or using the
starter to bump the engine for maintenance proce-
dures is strictly prohibited. Use of these methods to
bump the engine over or move the vehicle can
cause the pinion to release and re-engage, which
could cause ring gear and starter pinion damage.
IMPORTANT: Ring gear and starter pinion damage
caused by improper starting procedures is not
warrantable.
1. Before engine start-up, perform the engine pretrip
inspection and daily maintenance checks in Chap-
ter 9 of this manual.
2. Set the parking brakes.
3. Set the throttle to idle. Hold the clutch pedal (ve-
hicles with manual transmissions).
CAUTION
Protect the turbocharger during the start-up by not
opening the throttle or accelerating the engine
above 1000 rpm until normal engine idle oil pres-
sure registers on the gauge.
4. For manual transmissions, make sure the transmis-
sion is in neutral. For automatic transmissions,
make sure the transmission shift control is in Neu-
tral or Park.
If the outside temperature is 60°F (16°C) or higher:
keep your foot off the throttle pedal during the first
five seconds of cranking the engine; if the engine
does not start in that time, apply full throttle while
cranking.
Engines
4.1
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