Maintenance Manual
──LG6210E
Hydraulic Excavator
219
Brake, assembly
1.Check valve
• Install the O-ring (237) to the plug (226).
• Install the spring (230) and check valve (227) to the plug
(226), then coat the springs and valve assembly with
grease.
• Insert the plug (226) into the junction of spring and valve,
goes into the rear flange(201), then tighten the plug to the
required torque (26 ± 4kgf·m)
Note!
Coat the O-ring (237) with grease.
Note!
Coat the thread of plug (226) with Loctite # 577).
2 Balanced spool
•Insert the spool (223) into the rear flange (201).
Note!
Coat the spool (223) with hydraulic oil and insert it
into the rear flange (201).
Note!
Damage of the hole of rear flange or spool may
lead to internal leakage, and motor performance is
dropped.
• Install the O-ring (236).
Note!
Coat the O-ring with grease.
• Install the stopper (225) and spring (228) to the two plug
(224), then tighten the plug (224) into rear flange (201),
and tighten the plug to the required torque (45±9 kgf·m)
Note!
If the rear flange (201) or spool (223) needs to be
replaced, the entire assembly (kit) needs to be replaced.
3 Speed selector valve.
•Install the O-ring (295) into the plug (257).
• Place the spring (266) to the spool (263), and insert the
rear flange(201).
Note!
Coat the O-ring with grease.
Note!
Coat the spool (263) with the hydraulic oil and
insert it into rear flange (201).
Note!
Damage of the hole of rear flange or spool may
lead to internal leakage, and motor performance is
dropped.
Fig. 94 Balance spool , installing
Fig. 93 Plug, installing
Fig. 95 Plug, installing
Fig. 96 Spools, installing
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...
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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...