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INSTALLATION SHEET
6061 Furling Main Clew Block
N15W24983 Bluemound Rd.,Pewaukee, WI 53072 U.S.A.
Web: www.harken.com; www.harkenstore.com • Email: harken@harken.com
Cut sail for clew block and strap through block as shown on reverse side.
If you remove sheave, retain clear
plastic washers to prevent corrosion
and to maintain proper spacing.
Nut and bolt must be tight for
proper operation. If too loose, inner
metal sleeve may spin and cause
undue wear. Replace
locking nut when it becomes
ineffective.
Important! If you remove sheave from clew block assembly be sure to
retain and reinstall clear plastic washers to maintain proper spacing.
Nut and bolt must be tight for proper operation. If too loose, inner metal
sheave may spin and cause undue wear.
Telephone: (262) 691-3320 • Fax: (262) 701-5780
Sail Cutout for Clew Block
IMPORTANT — If You Remove Clew Block Sheave
3
/8-16 nylon
Clear Plastic Washers
HCP374
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Cut sail for clew block
and strap through
block as shown.
Maintenance
Harken equipment requires minimal maintenance, but some is required to give the best
service and to comply with Harken’s limited warranty.
Keep equipment clean by frequent flushing with fresh water. Periodically clean with mild
detergent and water solution. Spin sheaves to distribute soap solution evenly.
In corrosive atmospheres, stainless parts may show discoloration around holes, rivets
and screws. This is not serious and may be removed with a fine abrasive.
Important! Exposure to some teak cleaners and other caustic solutions can result in
discoloration of part and is not covered under the Harken warranty.
Warranty
For additional safety, maintenance and warranty information see www.harken.com/
manuals or the Harken
®
catalog.
Printed in USA 4929 12/13