Komatsu WA480-8, Operation & Maintenance Manual

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NOTICE
• Before operating the ECSS switch, be sure to stop the machine and lower the work equipment to
the ground.
• When performing inspection or maintenance, lower the work equipment to the ground first, press
ECSS switch to OFF position, then start the work.
• Keep ECSS switch turned OFF during leveling work.
ECSS switch is used to turn ECSS ON and OFF.
Position (A): ON
The pilot lamp lights up and ECSS operates.
Position (B): OFF
ECSS does not operate.
REMARK
• The ECSS absorbs the machine vibration during travel
with the hydraulic spring effect of the accumulator to attain
smooth high speed travel.
• The ECSS does not operate in the 1st gear speed.
• The ECSS does not operate while the boom angle is 25
deg. or larger from the level.
• If the travel speed exceeds 5 km/h while the gear speed is
2nd to 4th, ECSS operates automatically.If the travel
speed decreases below 4 km/h, ECSS stops operation au-
tomatically.
• When the bucket is empty and the work equipment is posi-
tioned at a low height, you may feel the poor damper
(ECSS) effect. This is not an abnormality.
FRONT WORKING LAMP SWITCH
k k
WARNING
The working lamps must be turned off when the machine is traveling on a public road.
Use the front working lamp switch to light up the front working
lamps.
Position (A): The working lamps light up.
Position (B): The working lamps go out.
When position (A) is pressed, the pilot lamp turns ON, and the
working lamps turn ON.
HAZARD LAMP SWITCH
k k
WARNING
When the machine is traveling normally, do not use this switch as it can mislead another vehicles.
OPERATION EXPLANATION OF COMPONENTS
3-99