VEHICLE OPERATION
3-11
Warm-up
Check the engine oil pressure gauge (1) as
soon as the engine starts. If the oil pressure
gauge does not reach the minimum pressure
of 15 psi [1.03 bar], stop the engine and
determine the cause. Normal engine oil pres-
sure is 50 psi [3.45 bar] when the engine oil is
240°F [116°C].
NOTE: Engine oil pressure can vary depend-
ing on conditions. See the engine manufac-
turer’s service manual, supplied with the
Apache Sprayer.
Check the engine coolant gauge (2). Normal
operating temperature is 180°F [82°C]. If the
engine coolant rises above 234°F [112°C],
reduce the load on the engine. If the coolant
temperature does not drop, stop the engine
and determine the cause.
Stopping
IMPORTANT: Before stopping an engine that
has been operating under load, allow the
engine to idle for 2 minutes to cool. Failure to
do so can cause damage to the turbocharger.
Bring the vehicle to a complete stop. Shift the
transmission to neutral (1), lower engine rpm
and apply the parking brake (2).
Turn the key to the “OFF” position and
remove the key.
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