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3.4 OPERATIONS AND CHECKS AFTER STARTING ENGINE
Never refuel (diesel fuel) while the engine is in operation.
Always stop the engine before refilling fuel.
• When trouble such as emergency stop and
abnormal action occurs, promptly turn the
starter switch to the "OFF" position and stop the engine.
•
Do not perform work, sudden lever and pedal operations while the hydraulic oil
temperature is low.
Perform the warm-up operations of hydraulic equipment.
• If the machine is moved without sufficient warm-up operations of hydraulic equipment,
the reaction of the machine to the operation levers and operation pedals is slow and the
machine may exhibit unintended behavior to the driver.
Be sure to perform the warm-
up operations of hydraulic equipment. The hydraulic
equipment needs adequate warm-up operations especially in cold climates.
There are two types of warm-up operations: One for the engine and the other for hydraulic equipment.
The method of warming-up operations differs depending on the environmental condition. Perform
warm-up operations according to the respective descriptions.
The warm-up operations for the engine alone do not warm up hydraulic equipment. Perform the
warm-up operations for hydraulic equipment separately from those for the engine. Performing the
warm-up operations for hydraulic equipment warms up hydraulic oil, enabling warm hydraulic oil to
be circulated through all the operation circuits. Be sure to perform the above.
3.4.1 WARM-UP OPERATIONS FOR ENGINE
• Do not accelerate the engine suddenly until the warm-up operations are done.
• Do not perform low idling or high idling under no load for 20 minutes or longer. Doing so
adversely affects not only the environment but also the engine internal mechanism.
When performing idling for 20
minutes or longer, apply a load sometimes or run the
engine at middle speed.
After engine start, turn the fuel adjustment dial to the idling position (MIN) and perform warm-up
operations for approximately 10 minutes.