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6-17
NO
YES
YES
YES
YES
NO
NO
NO
Is pilot pressure
for travel straight
spool within
standard level?
Is signal orifice
clogged?
Is straight spool
normal?
MACHINE MAKES A CURVED TRAVEL OR DOES NOT TRAVEL AT ALL WHEN TRAVEL
AND ATTACHMENT OPERATIONS ARE EXECUTED AT THE SAME TIME
7)
NO
Straight spool is
faulty.
Pilot relief valve is
defective.
Gear pump is
broken.
Normal.
Repair or
replace.
Remove dirt on
signal orifice.
Disassemble
and repair or
replace.
Disassemble
and repair.
Is gear pump
delivering oil?
Is pilot relief
valve normal?
Cause
Remedy
Summary of Contents for HX130 LCR
Page 11: ...1 1 SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...
Page 174: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV ...
Page 536: ...8 108 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29 ...
Page 566: ...8 138 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10 ...