Ma in t e nan c e | Exch a ng i ng t h e c h ain a nd c h ai n s p r o ck e t
48
ONLY FOR SINGLE-FALL CHAIN
HOISTS
DISASSEMBLING THE LOAD HOOK
Hook assembly
Screw the hook assembly apart.
Chain fastening
element half
Deep groove ball
thrust bearing
Push the three-piece deep groove ball
thrust bearing upward.
Remove both chain fastening element
halves from the chain.
Note the layout position of the deep groove
ball thrust bearing and remove it from the
chain.
ONLY FOR TWIN-FALL CHAIN
HOISTS GM2 AND GM4
DISASSEMBLING THE BOTTOM
BLOCK AND CHAIN ANCHOR
POINT
Bolt Brake bearing shield
Second fall Tab washer
Unscrew the tab washer on the brake
bearing shield.
Hold the second fall while pulling out the
bolt.
● The chain is now released.
Pull the chain out of the bottom block on the
load hook.