LOAD BLOCK AND HOOK-AND-WEIGHT BALL
Folio 997-2
NOTE:
Check each hook and shackle at least yearly for
cracks using a dye penetrant test, MAG particle
test, ultrasonic test, or by X-raying.
WARNING
Falling Load Hazard!
To prevent load from dropping due to hook or shackle
failure:
• Do not attempt to repair cracks in hooks and shackles
by welding. Furthermore, do not weld on any load
bearing component unless proper welding methods
are used (contact Service Department at factory for
material and welding specifications).
Hook-and-Weight Ball
Check
Gap
Here
Shank
Hook
Hook
Latch
Nameplate
Barrel
Hook
Swivel
Dead-End
Clip
Socket and
Wedge
Tie Bolts
Weight
Ball
Tie Bolts
FIGURE 2
A923
Load Block
Trunnion
Hook
Hook Nut
Sling
Retainer
Sheave
Pin
Name
Plate
Side Plate
Tie Bolt
Sheaves
Dead-End Socket
and Wedge
Center Plates
Locking Cap
Thrust
Bearing
FIGURE 3
A923
“Hook”
“Shackle”
Check for
“Opening Up”
Check that Pin is
Always Seated
Check for
Wear and
Straightness
Check for
Cracks and
Tw i st i ng
Check for Wear
and Cracks
Check for
“Opening Up”
Check for Wear
and Deformation
Check for Wear
and Deformation
Check that Hook
is Not Twisted
Hook and Shackle Inspection
FIGURE 4
395143
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