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WACs > Title 296 > Chapter 296-24 > Section 296-24-23523











296-24-23521    

296-24-23525







Agency filings affecting this section







WAC 296-24-23523









Maintenance.









(1) Preventive maintenance. A preventive maintenance program based on the crane manufacturer's recommendations shall be established.
(2) Maintenance procedure.
(a) Before adjustments and repairs are started on a crane the following precautions shall be taken:
(i) The crane to be repaired shall be run to a location where it will cause the least interference with other cranes and operations in the area.
(ii) All controllers shall be at the off position.
(iii) The main or emergency switch shall be open and locked in the open position.
(iv) Warning or "out of order" signs shall be placed on the crane, also on the floor beneath or on the hook where visible from the floor.
(v) Where other cranes are in operation on the same runway, rail stops or other suitable means shall be provided to prevent interference with the idle crane.
(vi) Where temporary protective rail stops are not available, or practical, a signalperson should be placed at a visual vantage point for observing the approach of an active crane and warning its operator when reaching the limit of safe distance from the idle crane.
(b) After adjustments and repairs have been made the crane shall not be operated until all guards have been reinstalled, safety devices reactivated and maintenance equipment removed.
(3) Adjustments and repairs.
(a) Any unsafe conditions disclosed by the inspection requirements of WAC 296-24-23519 shall be corrected before operation of the crane is resumed. Adjustments and repairs shall be done only by designated personnel.
(b) Adjustments shall be maintained to assure correct functioning of components. The following are examples:
(i) All functional operating mechanisms.
(ii) Limit switches.
(iii) Control systems.
(iv) Brakes.
(v) Power plants.
(c) Repairs or replacements shall be provided promptly as needed for safe operation. The following are examples:
(i) Accessory components, such as hooks, shall be carefully examined periodically and at the time of annual examination and inspection. Cracked or deformed hooks shall be discarded immediately and not reused on any equipment subject to the provisions of this code.
(ii) Load attachment chains and rope slings showing defects described in WAC 296-24-23519 (2)(d) and (e) respectively.
(iii) All critical parts which are cracked, broken, bent, or excessively worn.
(iv) Pendant control stations shall be kept clean and function labels kept legible.
[Statutory Authority: Chapter 49.17 RCW. WSR 94-15-096 (Order 94-07), § 296-24-23523, filed 7/20/94, effective 9/20/94; Order 73-5, § 296-24-23523, filed 5/9/73 and Order 73-4, § 296-24-23523, filed 5/7/73.]