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5. INSPECTION
5-1. Inspection Classification
(a) INITIAL inspection - prior to initial use, all new, altered, or modified hoists shall be inspected by a designated
person to ensure compliance with the applicable provisions of this Manual.
(b) Inspection procedure for hoists in regular service is divided into two general classifications based upon the
intervals at which inspection should be performed. The intervals in turn are dependent upon the nature of the
critical components of the hoist and the degree of their exposure to wear, deterioration, or malfunction. The
two general classifications are herein designated, as FREQUENT and PERIODIC, with respective intervals
between inspections as defined below.
(1) FREQUENT inspection - visual examinations by the operator or other designated personnel.
(a) normal service - monthly
(b) heavy service - weekly to monthly
(c) severe service - daily to weekly
(d) special or infrequent service – as recommended by a qualified person before and after each occurrence.
(2) PERIODIC inspection - visual inspection by a designated person.
(a) normal service - yearly
(b) heavy service - semiannually
(c) severe service - quarterly
(d) special or infrequent service - as recommended by a qualified person before the first such occurrence
and as directed by the qualified person for any subsequent occurrences.
5-2. Frequent Inspection (see table)
Items such as those listed below shall be inspected for defects and damage at intervals as defined in Sec.
5-1 (b) (1). This includes observations during operation for any defects or damage that might appear
between PERIODIC inspections. A designated person shall determine whether any defects or damage
constitute a hazard or will require more detailed inspection.
a. Trace slipping via braking.
b. Control functions for optimal operation.
c. Damage, cracks, and bends in hooks or noticeable opening.
d. Setting the hook latch; hook latch operation.
e. Optimal lubrication, signs of wear, link damage, or adhesion of foreign matter to the load chain.
f. Load sheave engagement with load chain; load chain twisting.
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