Maintenance, inspection and repair
3 – 3
Daily inspection / inspection and maintenance before operation
NOTICE
Before operation, be sure to check the following items and lubricate respective parts.
Inspection item Location Correction
• Looseness, falling-off, or
damage to bolts and nuts
• Accumulator mounting bolt
• Through bolt
• Bracket securing bolt
• Check missing bolts
• Check for damage
• Check for looseness
• Retighten to correct
tightening torque
• Falling-off of screw plug • Screw plug
• Stop pin
• Rod pin
• Replace when damaged or
lost
• Looseness of hose bracket,
damage to hose, and oil
leakage
• Hydraulic piping for breaker
• Oil hose
• Retighten sufficiently
• Replace when damaged
• Abnormal oil leakage • Seals of cylinder, and
accumulator
• Gap between front head
and rod
• Check the leakage with the
normal flow of rod
lubrication oil or hydraulic
oil
• Contact the distributor for
investigation of the cause
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