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NO
6-17
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 HX140L
Page 12: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...
Page 209: ...4 5 MEMORANDUM...
Page 694: ...8 68 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29...
Page 734: ...8 108 Assemble plug 2 Plug NPT1 16 11 EA 17 21078TM68 21078TM69 21078TM70 21078TM71...
Page 756: ...8 130 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10...