Concept of Operation
1. Assure that the total force needed to lift the load does not surpass the load rating of the winch.
2. Follow all recommended maintenance and inspections to monitor for any damage that could contribute
additional weight to the equipment.
3. A disc brake should be used if loads will be lifted or pulled on an incline.
4. Be aware of variables affecting performance ratings of the equipment.
a. Loose spooling and overlapping of the wire rope affects drum capacity. Actual drum capacities are
25-30% less than those listed in performance tables.
b. As rope spools around the drum, the force needed to lift the load increases and the load rating of the
winch decreases.
i. Performance table values are based on a drum without rope and with a maximum handle length.
ii. The load rating is the greatest pull that can be applied on new equipment without damage or other
factors affecting its operation.
5. Maintain the correct fleet angle and keep sufficient tension on the rope so it winds evenly.
6. Take in consideration the factors that can affect the duty rating.
a. Equipment Maintenance
i. Perform preventative maintenance and inspections to check for damage or defects on a regular basis.
ii. Keep the winch clean and free of debris.
b. Environmental Conditions
i. Avoid exposure to extreme temperatures, excessive dirt, wet conditions, flammables, combustibles,
explosives, and other potentially damaging materials.
c. Loading Conditions
i. Do not exceed maximum load ratings or shock load.
d. Frequency of Use
i. Monitor the equipment’s parts often as frequency of use increases. More use will increase wear and
shorten the life span of the parts.
Pre-Operation
• Be certain that no hazards will interfere with any part of operation and the load will have adequate clear
space to be moved.
• Complete all recommended inspections and any maintenance that are due.
• Assure that the operator is well rested, has up to date training on the equipment, and has proper personal
protective equipment including hardhat, safety shoes and eyewear, work gloves, and no loose fitting
clothing or jewelry.
• Know the total force of the load so that the load rating of the equipment is not surpassed.
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