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Inspect Parts Every Time You Sail
WARNING! Failure to inspect and correct block, and loop
or lashing can result in block breaking under load. Inspect
parts each time you sail. If parts are under load during long
passages, it is important to inspect them carefully while
in use.
Replace loops or lashings if there are signs of wear or if the colored tracers
fade from UV damage. Fading tracers indicate general UV degradation. Pull
loop out of mouth and inspect loop/lashing carefully for any signs of wear,
UV damage, fatigue, or strand separation. Replace loop if it shows signs of
UV damage or wear.
WARNING! Failure to replace damaged or weakened parts can
cause part to break under load. Replace all loops and lashings
every year, or if there is any sign of wear, UV damage, fatigue
or strand separation. If in doubt replace. Consult chart to match
strength of loop/lashing to block and load.
Inspect secondary lashing
at head of block to make
sure knot and stop knots
are holding tightly.
WARNING! If secondary lashing at head comes loose, block can
flip and cause line to jam, resulting in loss of control. Inspect
lashing often and redo if necessary.
Inspect screws to make
sure they are tight. If loose,
remove and use Loctite
222 purple thread locking
solution to secure. See
torque specs on last page.
Short Term Maintenance
Flush block and attach-
ments frequently with
detergent and fresh water.
Clean bearings by flushing
areas shown while rotating
sheave.
Disassemble using inner
race cutouts and split in
cage. IMPORTANT! Do
not force bearing cage.
See last page for details.
Flush with detergent and fresh water. Clean and remove grease using
solvent.
Remove rollers for
cleaning or replacement
by pushing outward.
Install from outside
pushing in.
Inner race has a cutout
on one side to allow
removal of bearing
assemblies. See last
page for details. When
assembling block, there
is no need to match lip
cutout side to Alpha or
Beta cheeks.
Lightly grease inner
ring of sheave as shown
at right.
IMPORTANT!
When assembling:
Start fastener from Beta
cheek. DO NOT insert
from outside of Alpha
cheek.
All blocks: Secure screw
using Loctite
thread locking solution.
Use Mylar washer. See
torque specifications on
last page.
Cutaway view
Long Term Maintenance
Beta
3294AL - 1.5T block
3295AL - 3.0T block
222 purple
®
Loctite is a registered trademark of Henkel AG & Company KGaA.
Mylar is a registered trademark of DuPont Teijin Films U.S. Limited Partnership.
Alpha cheek
OK
cheek
Cutout in inner race
Beta cheek
Alpha cheek
Correct
Thread insert
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