TROUBLESHOOTING /SYSTEM PERFORMANCE Troubleshooting
D-6. Bucket tilt-back motion is slow or tilt-back force is insufficient Measure the bucket tilt-back time.
When a user complains that the bucket tilt-back motion is too slow, first measure the tilt-back time to determine whether the user feels the movement to be slowalthough the system is normal or it really moves too slowly due to malfun ction. 1. Measure the time required to move the bucket from maximum dump (forward tilt) position to maximum tilt back (backward tilt) when the lift arm is at the maximum height, in accordance with the description in the section of measurement of system performance.
5GE
Note: Values shown above are standard value for brand-new vehicle. These values may be degraded when the vehicle has been used for certain period.
Much longer than the standard
Standard time
Normal
(1)Too low fluid level in fluid tank
(2)Clogged suction strainer
(3)Excessive play in control linkage, poor adjustment
(4)Too low shovel main relief valve opening pressure or faulty main pump
(5)Faulty operation of priority valve
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