Komatsu PW98MR-10 Operation & Maintenance Manual page 220

MACHINE OPERATIONS AND CONTROLS
4.
Hold starting switch key (2) in HEAT (preheating) position
(D).
Preheating monitor (4) lights up, and after approximately
30 seconds it flashes for 10 seconds to notify completion
of preheating.
5.
After preheating monitor (4) goes out, turn starting switch
key (2) to START position (C).
The engine will start.
6.
When the engine starts, release the starting switch key (3).
The key will return to ON position (B).
NOTICE
• Run the engine at idle for 15 seconds immediately after it started. Do not operate the control
levers or fuel control dial during this time.
• After the engine starts, wait for the engine oil
pressure caution lamp to go out. Do not touch the
control levers or control pedal while the engine oil
pressure caution lamp is lit.
• If the engine oil pressure caution lamp does not
go out even after 4 to 5 seconds have passed,
stop the engine immediately. Check the oil level,
check for leakage of oil, and take the necessary
action.
TURBOCHARGER PROTECTION FUNCTION
The turbo protect function protects the turbocharger by keeping the engine speed at approximately 1,175 rpm or
less immediately after the engine is started.
• When the turbo protect function is actuated, the engine speed is held at approximately 1,175 rpm or less,
regardless of the position of the fuel control dial.
• When the turbo protect function is actuated, the engine speed is held at approximately 1,175 rpm or less,
even if the fuel control dial is operated.
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OPERATION