Disengage the main hydraulic pump via the Hydraulic Pump Disconnect (5).
To preheat the fuel, place the IGNITION Switch (50) to the RUN position.
Verify that the FUEL PREHEAT Indicator (26) is lit. Allow the fuel heaters to
warm the fuel for two minutes or until the indicator light goes out.
If the temperature is below 30 F (-1 C), fully depress and hold foot throttle
pedal (4) until the engine starts and runs on its own. As engine comes up to
speed, gradually ease off of the throttle pedal.
Place the IGNITION Switch (50) to START and hold until the diesel engine
starts. Release the switch as soon as the diesel engine starts. If the diesel
engine does not start (less than 30 seconds cranking time) and must be re-
cranked, wait at least 3 seconds to allow the starter pinion and ring gear to
If the engine does not start within 30 seconds, allow the starter to cool for
approximately two minutes and repeat the procedure.
Gauge readings are given in Table 5-1 as a guide
only. Readings may be slightly higher or lower
depending on the individual engine condition. If in
doubt, refer to the applicable engine service or
Check engine instruments for proper indications.
Both air system pressures must be in normal
operating range prior to disengaging parking brake.
Otherwise, service air brakes may not operate
properly when applied.
If oil pressure and/or temperature indicator(s) do not
display proper readings, shut down the engine and
correct the malfunction before resuming operation.
Do not race the diesel engine during the warm-up
period. Failure to follow this caution could result in