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8. Preventive service & Maintenance
8 - 1 Daily Inspection
Where? What?
Power take off
z Abnormal noise and/or heat?
z Engaging movement is smooth
or not?
Drive shaft Loosened or not?
Oil tank
z Oil level?
z Leakage?
Slewing system
z Leakage?
z Greasing condition?
z No loosened bolts?
z Abnormal noise?
Derrick cylinder
z Shaft condition?
z No loosened bolt?
z Leakage?
z No movement when stopped?
Boom system
z No loosened bolt?
z Any crack?
z Smooth extending/retracting?
Winch gear box
z Oil leakage?
z Abnormal noise?
Pump
z Mounting condition?
z Leakage?
z Abnormal noise?
Hook
z Rotate when loaded?
z Any damages?
Wire rope
Any damage?
Control lever
z Smooth movement?
z Return neutral position well when
release the lever?
Outrigger system
z Any crack?
z Leakage of the cylinder?
z Any internal leakage?
Control valve
z Any leakage?
z Smooth movement?
Overwinding alarm Alarm when activated?
Hook latch Enough spring tension?
Pipes & hoses Any leakage?
Base Mounting bolt condition?
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