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(2)
Disassembly of spools with holding valve (boom 1, Arm 1 spool)
Loosen hexagon socket head bolts with washer.
①
(hexagon wrench : 5 mm)
Remove the pilot cover with internal parts.
②
Pay attention not to lose the O-ring and the poppet under the pilot cover.
※
Pay attention not to damage the "piston A" under pilot cover.
※
Remove the spool assembly from the body by hand slightly.
③
When extracting each spool from its body, pay attention not to damage the body.
※
When extracting each spool assembly, it must be extracted from spring side only.
※
When any abnormal parts are found, replace it with completely new spool assembly.
※
When disassembled, tag the components for identification so that they can be reassembled
※
correctly.
Boom 1 spool
Pilot cover
O-ring
Poppet seat
Poppet
8-39
Socket head bolt
Piston A
125LCR8MC11
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Troubleshooting
