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6-12
YES
YES
YES
YES
NO
NO
NO
NO
NO
YES
Is return spring
of swing spool
normal?
Is brake spring
normal?
Is swing shuttle
valve normal?
Is drain rate of
swing motor
within standard
value?
THE SWING UNIT DRIFTS WHEN THE MACHINE IS AT REST ON A SLOPE
5)
刔
Is swing relief
pressure within
standard level?
刔
Shuttle valve is
faulty.
Brake spring is
faulty.
Return spring of
swing control
valve is faulty.
Swing port relief
valve is faulty.
Swing motor is
broken.
Disassemble
and replace.
Disassemble
and replace.
Disassemble
and replace.
Disassemble
and repair or
replace.
Disassemble
and repair.
Adjust swing
relief valve
pressure or
replace swing
relief valve.
Cause
Remedy
SPEC : 285
佳
10kgf/cm
2
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...