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USA – Tel: (+01) 262-691-3320 • Web: www.harken.com • Email: harken@harken.com
Italy – Tel: (+39) 031.3523511 • Web: www.harken.it • Email: techservice@harken.it
WARNING! Strictly follow all instructions to avoid an accident, damage to your
vessel, personal injury or death. See www.harken.com/manuals for additional
safety information.
Strong, durable unibody top/side plates - hardcoat anodized forged aluminum.
Sculpted top plate - protects sheave and sheds line.
Tough sheaves - machined from hardcoat anodized solid aluminum.
Proven bearing system - composite sleeve bearing with sideload ball bearings.
High load drop-in replacement - 30 mm blocks replace Bullet
cutout and hole spacing allowing easy replacement.
Reeving side
30°
Block load increases when the line turns at a greater angle. Block loads double when the line turns
180°. If there is 400 kg (880 lb) on the line and the angle of deflection is 180°, the Harken through-
deck block is subject to 800 kg (1760 lb). Select blocks carefully. See specification chart on
next page.
Angle of
deflection
INSTRUCTIONS
Sideplate
Block Loading vs Angle of Deflection
90°
Load factor
30°
52%
45°
76%
60°
100%
75°
122%
Protexit
Blocks
™
Features
Terms
Sheave
Angle of
deflection
Load factor
90°
141%
105°
159%
120°
173%
135°
185%
1
blocks. Larger blocks fit common
®
Top plate
Part number
Maximum line diameter
Maximum working load
150°
Angle of
deflection
Load factor
150°
160°
180°
—
180°
193%
197%
200%
—
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Related Manuals for Harken Protexit Blocks
Summary of Contents for Harken Protexit Blocks
- Page 1 Block load increases when the line turns at a greater angle. Block loads double when the line turns 180°. If there is 400 kg (880 lb) on the line and the angle of deflection is 180°, the Harken through- deck block is subject to 800 kg (1760 lb). Select blocks carefully. See specification chart on next page.
- Page 2 Specifications Top plate dimensions C - Hole A - Sheave Fasteners F - Depth G - Maximum Breaking Part spacing diameter and (FH) D - Length E - Height working load load description 30 mm single 2.24 74.6 2.94 24.8 20.5 1103 1200...
- Page 3 Note: Sheave is not removable. 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.