Jump Start - Case 845B VHP Operator's Manual

functioning the Engine
Pull throttle lever back to full speed position if engine is
cold (1/4 speed position, if engine is warm).
Turn master switch key to the "START" position.
Turn ignition key to the start position. When the engine
starts, release the key. Immediately pull throttle lever into
low idle. Then set at one half speed. Maintain one half
maximum speed until coolant temperature gauge needle
moves from its minimum position.
NOTE: Do not use the starter for more than 15 seconds
without a pause of 30 seconds to allow it to cool down.
Observe all instruments for proper reading.
It is extremely important to allow the engine to run for
three to five minutes at 1/4 to 1/2 throttle to permit the
lubrication oil to warm and circulate freely through the
bearings. This procedure is mandatory for cold weather
operation.
Check engine lubricating oil pressure. With engine run-
ning at high speed and the coolant at normal operating
temperature, oil pressure must be within normal operating
range. When the oil is cold no pressure may be indicated
on the gauge for several seconds after the engine starts.
If the pressure does not rise to normal or above, after a
few seconds, the engine must be stopped immediately
and the cause determined and corrected.
Check the transmission fluid pressure. Within a few se-
conds after the engine starts the transmission oil pressure
gauge must register in or near the green range.
4-6
CHAPTER 4 – OPERATING INSTRUCTIONS

JUMP START

Starting the Engine
1. Start the engine and keep it running at one half speed
for 3 to 4 minutes, before machine operation.
2. Do not accelerate the engine just after starting, be-
cause the turbocharger shaft bearings will be dama-
ged due to poor lubrication.
Stopping the Engine
Before shutting down the engine, keep it running a few
minutes at low idle speed to permit turbo charger decele-
ration and stabilization at a low speed.
Avoid shutting off the engine at a high speed, because
the turbocharger shaft bearings will be damaged due to
poor lubrication. If the engine is abruptly stopped when at
high rotation, the turbo-charger will continue running after
the engine oil pressure drops to ZERO. Operating at high
rotations with lack of oil, may damage the turbo-charger
bearings.
Changing Engine Speeds
Prolonged engine idling causes engine coolant operating
temperature to fall below operating range.
Since engines are readily started, there should be no rea-
son for prolonged engine idling. Turn off the engine when
this occurs. However, if it is necessary to keep the engine
running, run at a speed fast enough to maintain normal
oil pressure and engine coolant temperature. Place the
transmission control lever in the neutral position and ap-
ply the parking brake. Lower the moldboard to the ground.
Do not leave the machine unattended.