Maintenance Manual
──LG6210E
Hydraulic Excavator
276
Troubleshooting
Table86. Troubleshooting
Faults
Reasons
Remedies
Internal / external leak,
the machine can not
move in a straight line
on a flat road or slope,
even track motor and
pump
is
working
properly.
Pressure between the pump
and valve decreases, and
alve circuit has problem.
When pressure between the
pump and the rotary joint the
decreases, circuit of swing
joints circuit has defective.
Check the circuit between the pump
and valves, repair or replace them.
Check pumps, valves and the
central channel with the pressure
gauge.
Check the leakage between the
rotary joints and valve.
If normal, separate rotary joints and
test it with pressure gauge.
If
the
pressure
is
reduced,
disassemble and inspect O-ring
under visual inspection.
When the noise from
the rotary joint
Check the rotary joint pipe
system by hand if there is
vibration or abnormal heat.
If rotary joints have defective,
dissemble and inspect shaft and seal
washer. Repair or replace worn shaft.
Summary of Contents for LG6210E
Page 1: ...LG6210E Maintenance Manual Shandong Lingong Construction Machinery Co Ltd...
Page 36: ...Maintenance Manual LG6210E Hydraulic Excavator 18 Engine control specifications Table14...
Page 410: ...Maintenance Manual LG6210E Hydraulic Excavator 392 Fig 23 Hydraulic pump pipeline...
Page 412: ...Maintenance Manual LG6210E Hydraulic Excavator 394 Fig 24 Main valve pipeline...
Page 432: ...Maintenance Manual LG6210E Hydraulic Excavator 414 Fig 42 Main control valve Partial view2...
Page 646: ...Maintenance Manual LG6210E Hydraulic Excavator 628...
Page 688: ...Maintenance Manual LG6210E Hydraulic Excavator 670...
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Page 751: ...Maintenance Manual LG6210E Hydraulic Excavator 733 Fig 63 Element position...
Page 753: ...Maintenance Manual LG6210E Hydraulic Excavator 735 Fig 65 Element position...
Page 761: ...Maintenance Manual LG6210E Hydraulic Excavator 743 Fig 71 Element positions...
Page 767: ...Maintenance Manual LG6210E Hydraulic Excavator 749 Fig 77 Element positions...
Page 771: ...Maintenance Manual LG6210E Hydraulic Excavator 753 Fig 81 Element position...
Page 773: ...Maintenance Manual LG6210E Hydraulic Excavator 755 Fig 83 Element position SCH16...
Page 775: ...Maintenance Manual LG6210E Hydraulic Excavator 757 Fig 85 Element position...