Peterbilt Medium Duty Trucks Operator's Manual after 1-07
Peterbilt Medium Duty Trucks Operator's Manual after 1-07
Peterbilt Medium Duty Trucks Operator's Manual after 1-07
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Operating Instructions<br />
Starting Procedure — Normal Temperature<br />
Use the following procedure to start your <strong>Medium</strong> <strong>Duty</strong> when<br />
outside temperatures are at or ABOVE normal starting temperatures.<br />
Check the Engine Operation and Maintenance<br />
<strong>Manual</strong> for starting temperatures.<br />
1. Set the parking brake.<br />
NOTE: When any one of the following is true, oil<br />
should be applied to the turbocharger oil inlet<br />
port: (1) if the engine has not been started for<br />
more than 25 days; or (2), the outside temperature<br />
is very cold; or (3), the oil filter has been<br />
changed.<br />
•With an oil can, squirt approximately one-half<br />
cup (120 ml) of clean, specified engine oil into<br />
the turbocharger oil inlet port. This will keep the<br />
turbocharger bearings lubricated until the<br />
engine oil pressure gets up to normal.<br />
2. Insert key into the ignition switch.<br />
3. Disable (or turn OFF) the following systems prior to starting<br />
the engine: the exhaust brake, the dual-speed rear<br />
axle (put in LOW), and block heater (if equipped).<br />
4. Disengage the transmission: place the shift lever in the<br />
Neutral position.<br />
Operating the Engine<br />
5. Disengage (depress) the clutch (with manual transmission).<br />
6. Turn the ignition switch to the IGN & ACC position. For<br />
normal temperatures, no accelerator advance is necessary.<br />
See “Use of Accelerator” below. If the “WAIT TO<br />
START” indicator lamp turns ON, wait until the indicator<br />
lamp goes OFF (approximately 60 seconds) before<br />
attempting to start the engine. (For each engine and<br />
ambient temperatures, warm-up cycles will vary.)<br />
7. Turn the ignition switch to the IGN & START position to<br />
engage the starter. Crank the engine until it starts. If the<br />
engine does not start within 30 seconds, release the key.<br />
Use of Accelerator<br />
• For mild to warm temperatures above 60°F (16°C) keep<br />
your foot OFF the accelerator pedal while cranking. If the<br />
engine does not start <strong>after</strong> 5 seconds, apply full throttle<br />
while cranking.<br />
• For below normal starting temperatures fully depress the<br />
accelerator (throttle) pedal <strong>after</strong> engaging the starter.<br />
NOTE: Pumping the accelerator will not assist in<br />
starting the engine.<br />
<strong>Medium</strong> <strong>Duty</strong> (R10/06) Y53-6008 – 59 –
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