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SECTION V - INSPECTION AND PREVENTIVE
MAINTENANCE
5-1. GENERAL. All SHAW-BOX, Series “700,” hoists are
inspected and tested at the factory. Regular in service inspection
and preventive maintenance programs not only help reduce
overall maintenance costs but may also prevent service
shutdowns by forewarning of problems that could cause these
shutdowns. Regular inspections, periodic minor adjustments,
regular cleaning and lubrication and replacement of worn parts
can help preserve good performance and operation of your
hoist.
Many factors influence the inspection and preventive
maintenance program required for your hoist. Frequency and
severity of service and material handled, local environmental
conditions and various applicable codes are some of the factors
that the user must consider to adjust inspection and
maintenance program outlined in this section to meet his
specific conditions.
The inspection and maintenance services outlined in this
section are considered minimum. Recommended in the
schedule are minimum inspection and maintenance intervals
based on average daily use in a normal environment. Average
daily use is based on 1000 operational hours per year maximum
and intermittent operation of the hoist eight hours per day, five
days per week with a maximum 40 percent “on” time and the
average loading not exceeding 65 percent of rated load.
Environmental conditions in which the hoist operates are also
important considerations for the user when adjusting hoist
inspection and maintenance programs to local conditions.
Frequency of inspection and maintenance must be increased
if hoist is subjected to severe atmospheric environmental
conditions, such as corrosive vapors, extreme heat or cold,
cement or dust and other airborne contaminants. The user
should carefully consider all environmental conditions and adjust
frequency and degree of maintenance for his local conditions.
Consult Lift-Tech Field Service Department for advice for
unusual environmental conditions.
Various codes also regulate inspection and maintenance
programs. Attention must be given to applicable federal
standards, OSHA regulations, national standards, state and
local codes which may include mandatory rules relating to
hoist inspection and maintenance. The user should become
familiar with all applicable codes for his area and be guided
accordingly.
Listed on the Recommended Inspection and Maintenance
Schedule are inspection frequencies and requirements. Perform
these inspections regularly as scheduled and additional
inspections as may be required for activity, service and
environment of your hoist. The hoist operator must be
responsible for determining the operating conditions and severity
of service.
Inspection Schedule and Maintenance Report Form.
Shown on page 11 of this manual is a recommended Inspection
Schedule and Maintenance Report form which lists various
components of the hoist. The form also includes trolley
components, runway components, and miscellaneous items.
This form is suggested as a guide for written inspection reports.
Inspections are recommended each month and should be
performed thoroughly enough to inform the hoist user of
deficiencies for any item listed. This form does not supersede
the Inspection and Maintenance Schedule listed below but may
be used to record scheduled inspection and maintenance
services required.
The user should revise the inspection interval, add additional
units or provide a similar form to suit particular conditions
which may exist.However, written, dated and signed inspection
reports should be maintained particularly on critical items, such
as hoist hooks, hoisting ropes, sheaves, drums and brakes.
Periodic review of old inspection reports can point out service
life of hoist components, forecasting need for adjustment, repair
or replacement of these components.
As a matter of expedience, appointed maintenance personnel
inspecting hoist can also take care of minor adjustments, repairs
and cleaning, where required. Note column on Inspection
Schedule and Maintenance Report form headed Corrective
Action and Notes. When corrective action is made during
inspection, note condition of part or unit as inspected in
appropriate Condition column with a check mark ("). Note
“during inspection” corrective action taken and date in space
provided. In this manner, items requiring further attention will
be checked (") without showing corrective action. This will
advise the designated person responsible for hoist operation
and safety, who reviews the reports, that deficiencies exist.
The designated person will check all deficiencies as listed and
reexamine or otherwise determine whether they constitute a
safety hazard.
Deficiencies may be hazardous to personnel and
equipment. Do not operate a hoist having deficiencies
unless a designated qualified person has determined
that these deficiencies DO NOT constitute a safety
hazard.
WARNING
Do not operate a hoist having unusual vibrations,
sounds or with anything wrong or apparently wrong.
Danger may be present that the hoist operator cannot
see. Determine and correct cause of unusual
conditions and make certain hoist can be operated
safely.
WARNING
Written, dated and signed inspection reports for many items
are mandatory under OSHA regulations, and many state safety
codes.It is strongly recommended that the Inspection Schedule
and Maintenance Report, shown herein, be completed by a
qualified person designated with the responsibility for hoist
operation and safety or an inspector appointed by this person.
Inspection records can point out the service life of hoist
components and help forecast the need for adjustments, repairs
and ordering of replacement parts. File and review these reports
after each inspection.
