Komatsu WA480-8, Operation & Maintenance Manual

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4.
Set parking brake switch (4) to ON position (A) to apply the
parking brake.
NOTICE
Applying the parking brake automatically sets the
transmission to NEUTRAL.
5.
Operate boom control lever (5) to lower the bucket to the
ground.
6.
Check that boom control lever (5) and bucket control lever (6) are in HOLD position.
Lock the work equipment (the pilot lamp lights up) with
work equipment lock switch (7).
To secure a sufficient space to get off the machine, move the operator's seat backward if it is positioned forward.
METHOD FOR CHECKING AFTER FINISHING WORK
CHECKS BEFORE STOPPING ENGINE
On the machine monitor, check the engine coolant temperature, hydraulic oil temperature, torque converter oil
temperature, remaining fuel level, and remaining DEF level.
If the engine has overheated, do not stop the engine suddenly. Run it at a medium speed to cool it gradually
before stopping.
CHECKS AFTER STOPPING ENGINE
1.
Perform walk-around check for oil or coolant leakage and for abnormality in work equipment, exterior parts,
and undercarriage.
If oil or coolant leakage or any abnormality is detected, repair it.
2.
Check DEF tank, pump, injector, hose, and joint for leakage.
If any abnormality is found, ask your Komatsu distributor for repair.
3.
Fill the fuel tank.
4.
Check the engine compartment for paper and debris. Clean out any paper and debris to avoid a fire hazard.
5.
Remove any mud affixed to the undercarriage.
OPERATION MACHINE OPERATIONS AND CONTROLS
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