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
55
ONLY FOR SINGLE-FALL CHAIN
HOISTS
INSTALLING THE HOOK ASSEMBLY
Inside chain end
Use the inside end of the chain to install the
load hook.
Ball bearing race
(large inner diameter) Ball bearing cage
Ball bearing race
(small inner diameter)
Push the deep groove ball thrust bearing
onto the chain facing the right direction:
First push on the ball bearing race with the
larger inner diameter (smoothed), then the
ball bearing cage, then the ball bearing race
with the smaller inner diameter (not
smoothed).
Place the chain fastening element halves on
the chain from both sides.
Deep groove
ball thrust bearing
halves
Push the deep groove ball thrust bearing
over the chain fastening element halves.
Lubricate the deep groove ball thrust
bearing.
Lubricant: “High-Lub LT1 EP”. For details,
see “Lubricants”, page 85.
Deep groove ball
thrust bearing with
chain fastening
element halves
Hook assembly
Insert the deep groove ball thrust bearing
with chain fastening element halves into one
half of the hook assembly.
Assemble the hook assembly.
Bolt the hook assembly with the fillister-
head screw and self-locking nut (2x).
Size Size and
length
Tightening
torque
GM2 M6x25 10 Nm
GM4 M6x25 10 Nm
GM6 M6x45 12 Nm
GM8 M8x50 30 Nm