6 - 17
YES
NO
Is pilot pressure for
travel select valve
within standard
level?
Is filter in pilot
piping between
gear pump and
control valve not
clogged?
Is select valve
normal?
NO
MACHINE MAKES A CURVED TRAVEL OR DOES NOT TRAVEL AT ALL WHEN TRAVEL AND
ATTACHMENT OPERATIONS ARE EXECUTED AT THE SAME TIME
7)
NO
YES
YES
NO
NO
YES
Select valve is
faulty.
Pilot relief valve is
defective.
Gear pump is
broken.
Normal.
Repair or replace.
Remove dirt on
pilot line filter.
Disassemble and
repair or replace.
Disassemble and
repair.
Is gear pump
delivering oil?
Is pilot relief valve
normal?
Cause
Remedy
Summary of Contents for R 160 LC-3
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Page 142: ...4 4...
Page 182: ...4 44 No of pin Receptacle connector Female Plug connector Male 24 12 24 1 13 S815 024000...
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Page 416: ...8 103 Remove lock nut 21 and then boot 26 15...
Page 427: ...8 114 Install cover 3 to hub 1 and tighten bolts 14 Torque 5 5 12 5kgf m 40 90lbf ft 7 14 15 3...
Page 456: ...8 143 1 STRUCTURE GROUP 11 WORKEQUIPMENT SECTION A SECTION B SECTION C C B B A A C...