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WARNING! Failure to inspect and replace damaged metal parts and/or worn or frayed line
can cause block or system to break suddenly causing an accident, damage to your vessel,
personal injury or death. See www.harken.com for additional safety information.
Frequently inspect shackles and shackle posts for signs of corrosion, cracks, or elongation. When
replacing shackles, use the correct Harken parts to maintain the proper strength. Replace line as
necessary, taking into consideration the maximum size recommendation.
Flush block and attachments
frequently with detergent and
fresh water. Clean bearings by
flushing areas shown while
rotating sheave.
If block has cam cleat, flush balls
in cam cleats while rotating pawls.
General Maintenance- Harken equipment is designed for minimal maintenance. However, some
upkeep is required to give the best service and comply with the Harken limited warranty.
Keep your equipment clean and free-running by frequently flushing with fresh water. Periodically
clean with mild detergent and water solution. Spin sheaves to distribute soap solution evenly.
Flush with fresh water.
Important: Exposure to some teak cleaners and other caustic solutions can result in discoloration
of part and is not covered under the Harken warranty.
For additional safety, maintenance, and warranty information see www.harken.com or the Harken
catalog.
Inspect Block and Shackle Before You Sail
Maintenance
Warranty
M1005 11/18
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