Thern 5PA5 Ensign Series, Owner'S Manual

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Owner's Manual for Thern 5PA5 Ensign Series Portable Davit Cranes page 13
A11577B-0613
Table 2 – Inspection Checklist
damages problems
general fi nish weathered, fl aking, otherwise damaged equipment not properly lubricated
parts cracked, bent, rusted, worn, otherwise damaged unusual noises, other signs of malfunction
foundation loose, unstable, otherwise damaged not level - boom swerves
fasteners stripped threads, bent, worn, otherwise damaged loose, not tightened to the proper torque
boom assembly holes worn, distorted, or otherwise damaged does not rotate freely
winch assembly gears, bearings, and other parts worn, otherwise damaged winch jerks or hesitates under load
brake corroded, cracked, worn, otherwise damaged brake does not operate properly
sheaves holes worn, distorted, or otherwise damaged does not rotate freely
wire rope bent, crushed, otherwise damaged wire rope loosely or unevenly wound
broken wires, see Figure 7
replace if more than 6 wires in one lay, number per strand =
or 3 wires in one strand in one lay, are broken number per lay =
diameter reduced, see Figure 9
replace if diameter is excessively worn diameter =
end connections corroded, rusted, worn, otherwise damaged not securely attached
load hook twisted, bent, worn, otherwise damaged, see Figure 8 hook latch fails to close when released
replace if twist is 10 degrees or more twist =
replace if throat width is 15% larger than nominal throat width =
replace if thickness is 10% less than nominal thickness =
labels and plates dirty, illegible, otherwise damaged loosely attached or missing
comments:
authorized signature: date
checked boxes indicate damage or problem in need of repair