Current through Vol. 24-16, September 15, 2024
Rule 2940. The employer shall ensure that each day before
use, a competent person visually inspects all hoists to verify that the
following conditions are met:
(a) The
manufacturer's guidelines and recommendations are used; however, when not
available, the following minimum guidelines shall be used:
(i) A competent person, knowledgeable of
hoists, shall complete inspections.
(ii) All repair and inspection records shall
be available and accessible for a minimum of 2 years.
(iii) A tear down inspection record shall be
available until the next teardown inspection is completed.
(iv) Any hoist that has been idle for a
period of over 6 months shall be given an annual inspection.
(v) Any hoist that has an unknown history of
repair or maintenance shall have a tear down inspection.
(b) The inspection criteria for a gear and
hydraulic oil sample analysis is to evaluate the properties of the oil. The
general guidelines are the following:
(i)
Hydraulic oil shall conform to ISO standard 4406, hydraulic fluid
power--fluids--method for coding the level of contamination by solid particles,
second edition, December 1999, for cleanliness level of 18/16/14.
(ii) Gear oil shall conform to the following
gear contaminate guideline:
(A) 100 to 500
ppm normal.
(B) 501 to 800 ppm
caution.
(C) 801 and up ppm
unacceptable.
(c) A daily inspection shall be performed,
which shall include, at a minimum, all of the following:
(i) Engine oil level shall be
checked.
(ii) Engine coolant levels
shall be checked.
(iii) Check for
external oil leaks.
(iv) Hydraulic
oil reservoir level shall be checked.
(v) All safety devices and brakes shall be
checked to ensure they function properly.
(vi) A visual inspection shall be conducted
for loose or missing structural connections.
(d) A semi-annual inspection shall be
performed, which shall include, at a minimum, all of the following:
(i) Engine oil level shall be
checked.
(ii) Winch oil level shall
be checked.
(iii) Engine coolant
levels shall be checked.
(iv)
System shall be checked for external oil leaks.
(v) Hydraulic oil reservoir level shall be
checked.
(vi) All safety devices
and brakes shall be tested to ensure they are functioning properly.
(vii) A visual inspection shall be conducted
for loose or missing structural connections.
(viii) A complete oil analysis shall be
conducted.
(ix) The winch assembly
shall be dynamically tested in both the hoisting and lowering directions while
under a load of at least 30% of the hoist lifting capacity.
(x) The inspection shall be documented in
writing and maintained for 2 years.
(e) An annual inspection shall be performed,
which shall include, at a minimum, all of the following:
(i) Engine oil levels shall be
checked.
(ii) Winch oil levels
shall be checked.
(iii) Engine
coolant levels shall be checked.
(iv) System shall be checked for external oil
leaks.
(v) Hydraulic oil reservoir
level shall be checked.
(vi) All
safety devices and brakes shall be tested to assure they are functioning
properly.
(vii) A visual inspection
shall be conducted for loose or missing structural connections.
(viii) A complete hydraulic and gear oil
analysis shall be conducted.
(ix)
The winch assembly shall be dynamically tested in both the hoisting and
lowering directions while under a load of at least 30% of the hoist lifting
capacity.
(x) Lubricating oil in
the hoist drum shall be changed after testing.
(xi) Hydraulic fluid and filter shall be
changed after testing.
(xii) The
annual inspection shall be documented and maintained for 2 years.
(f) Teardown inspection of the
winch assembly shall be performed by a qualified person. The following shall
apply:
(i) A teardown inspection shall
include the hoist being completely disassembled; cleaned and inspected; and
replacement of all worn, cracked, corroded, or distorted parts such as pins,
bearings, shafts, gears, brake rotors, brake plates, drum, and/or
base.
(ii) After a teardown
inspection, a certificate shall be issued by the inspector/service person
effective of the date the hoist is placed back in service. The tag shall
identify the hoist mechanism, the inspector, and date of the
inspection.
(g) Winch
assemblies that adhere to the required daily, monthly, semi annually, and
yearly inspection criteria, shall conform to the following teardown inspection
time frame:
(i) Severe duty (applies to those
winch assemblies that are used more than 125 hours a month at or near the rated
capacity of the hoist) is every 3 years.
(ii) Moderate duty (applies to those winch
assemblies that are used 50 to 125 hours per month and normally operate at
considerably less than the winch assembly rated capacity) is every 5
years.
(iii) Infrequent use
(applies to those winch assemblies that are used for 50 hours or less per month
and normally operate less than the winch assembly rated capacity) is every 7
years.
(h) Winch
assemblies that do not adhere to the inspection criteria in subdivision (g) of
this subrule, shall have a tear down inspection every 3 years.
(i) During any inspection, items found that
may affect the performance of the unit must be repaired before use.
(j) Documentation of the inspection shall
include, but not be limited to, winch model and serial number, name and
employer of repair/inspection technician, date and description of findings,
parts replaced, and test results.
