Owner's Manual for Thern 3CP Liberty Series Capstan Winches
Page 15
A21392-E-1122
3.2.3
Instructions for Periodic Inspection
a
VISUALLY INSPECT the winch and all other equipment.
• Disassembly may be required in order to properly inspect individual
components. Contact factory for assembly/disassembly instructions.
Disassembly of the gearbox before contacting Thern, Inc. voids all
warranties.
• Check the finish for wear, flaking, or other damage.
• Check all equipment for cracks, dents, bending, rust, wear, corrosion and
other damage. If the equipment was overloaded, or if you notice cracks and
other signs of overloading and damage, promptly remove equipment from
use and have it repaired or replaced.
DO NOT CONTINUE TO USE
DAMAGED OR OVERLOADED EQUIPMENT OR ROPE.
• Check all fasteners for stripped threads, wear, bends, and other damage.
• Check the gearbox for signs of leakage. Contact the factory if there are
any signs of lubricant leaking from the gearbox.
• Make sure all labels and name-plates are legible, firmly attached, free of
damage and clean. Replacements are available from the factory.
b
INSPECT ROPE. Refer to rope manufacturer's guidelines for inspection.
c
MOVE THE DRUM with your hands.
• Check for excessive movement indicating worn or loose gears, fasteners,
or bearings. Excessive movement is caused by overloading, overheating,
or loose fasteners, and is a sign that your application may require a larger
power winch.
• Disassemble the winch if necessary. Inspect keys, bearings, seals,
and shafts for wear, distortion, and other damage. Contact factory.
d
INSPECT FOUNDATION AND RIGGING.
• Check mounting fasteners for stripped threads, wear, and other damage.
• Check the foundation (or Thern Hitch Mount Accessory 3CP1S-HM or
3CP2S-HM) for cracks, corrosion, and other damage.
e
TEST WINCH PERFORMANCE by operating the winch with a test load
equal to the load rating.
• Listen for unusual noises and look for signs of damage as you operate the
winch.
• Observe the rotating drum. Look for signs of loose or misaligned
bearings.
• Make sure the winch responds to the control device. It must rotate
counterclockwise when looking at the drum from the bell. It must turn off
when you release the control.
• Make sure the load moves smoothly without hesitation or strain.
• Check the internal brake. Raise the load, then lower it and suspend it a
few feet off the ground. If the drum continues to rotate contact the factory.
• Check the rope lock. Raise the load, then lower it and suspend it a few
feet off the ground. If the rope slips through the rope lock contact the
factory.
f
DISCONNECT ELECTRIC POWER and inspect electrical equipment.
• Check electrical wires for worn insulation, cuts, corroded connections,
and other damage.
Important!
• It is your responsibility to
determine when to replace parts.
When considering whether to
continue using a part or to replace
it, remember that replacing it
is the best way to avoid further
equipment damage.
• Appoint a qualified person to be
responsible for all repairs to the
equipment.
Important!
• Keep a record of what you ship,
and when you send it.
