54
8 - 5 Inspection points when operating
z Is there any leakage?
z Does the crane operate smoothly?
z Is there any abnormal noise?
z How about the oil temperature?
If the oil temperature is higher than 75 deg C, then stop
the crane operation
8 - 6 Inspection after operation
z Clean & smooth for next use?
z Any crack & abnormal noise?
z Any leakage in connections?
8 - 7 Inspection & maintenance after one month in operation
z Check the pressure settings and lead seals
z Check for oil leakage
z Check and advance screwed connections
z Check and advance hose and pipe couplings
z Check catches and other locking devices
z Check the functions and levers of the control valve
z Check hook, ropes and any other lifting gear that is used
z Check that all the prescribed notices are in place
z Carry out a visual inspection of structural parts to detect
deformation and cracks etc.