Move the governor control lever to half engine
If the starting temperature is below 160C (600F),
push DOWN and hold the hydraulic unloading valve rod
down until the engine starts.
NOTE: When temperatures are below -180C (0°F), hold
the hydraulic unloading valve down 1 to 2 minutes after
the engine starts.
With the engine running at low idle, release the hydraulic
unloading valve rod slowly, to allow the pump to be
loaded gradually with the cold, thickened oil.
Depress the accelerator pedal past detent.
Push IN and turn the start switch to START.
Release the switch when the engine starts.
Do not turn the disconnect switch off while the engine is
If the low oil pressure indicator does not go off within six
seconds after the engine is running, stop the engine.
Investigate and correct the cause.
If the engine does not start, let the starter cool
for two minutes, then repeat starting procedures.