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Item 61672
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periodic (thorough) inspection
a qualified technician should perform
the procedures in this section
at lEaSt yEarly. inspection is needed
more often for heavily used winches.
Remove or open access covers to
allow inspection of components.
1. First, follow all Frequent Inspection procedures.
Additionally:
2. Check fasteners for evidence of loosening.
3. Check load blocks, suspension housings, clevises,
yokes, suspension bolts, shafts, gears, bearings,
pins, rollers, and locking and clamping devices for
evidence of wear, corrosion, cracks, and distortion.
4. Check hook retaining nuts or collars, and
pins, welds, or rivets used to secure the
retaining members for evidence of damage.
5. Check load sprockets, idler sprockets, drums,
and pulleys for evidence of damage and wear.
6. Check the motor brake and load brake
for evidence of wear.
7. Check electrical apparatus for evidence of
pitting or deterioration of controller contacts.
8. Check supporting structure or trolley,
if used, for evidence of damage.
9. Check warning label for legibility and replacement.
10. Check end connections of wire ropes for evidence
of wear, corrosion, cracks, damage, and distortion.
11. Periodic (Thorough) Winch Rope Inspection
Check entire length of rope winch rope as follows:
Inspect the individual outer wires in the strands
of the rope. Keep a record of any deterioration
resulting in appreciable loss of original strength,
such as described below, and have a qualified
technician determine whether further use
of the rope would constitute a hazard:
a. Check points listed in Frequent
Winch Rope Inspection on page 8.
b. Check for reduction of rope diameter
below nominal diameter due to loss of
core support, internal or external corrosion,
or wear of outside wires.
c. Check for severely corroded or broken
wires at end connections.
d. Check for severely corroded, cracked, bent,
worn, or improperly applied end connections.
e. Inspect with special care the following
sections of rapid deterioration:
1) sections in contact with saddles,
equalizer pulleys, or other pulleys
where rope travel is limited;
2) sections of the rope at or near terminal ends
where corroded or broken wires may protrude;
3) sections subject to reverse bends;
4) sections of rope which are normally
hidden during visual inspection, such
as parts passing over pulleys.
12. Check function labels on pendant
control(s) for legibility.
13. Check the winch and winch mounting
for evidence of missing parts.
WarninG! tO prEVEnt SEriOUS inJUry FrOM WincH FailUrE: Do not use damaged equipment.
if any defect or damage is noted, have the problem corrected before further use.
Storage inspection
1. A winch that has been idle for a period
of a month or more, but less than a year,
must be inspected before being used according
to the Frequent Inspection requirements.
2. A winch that has been idle for a period of a
year or more, must be inspected according
to the Periodic Inspection requirements and
then tested according to the procedure in the
Testing section below before being used.
