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Maintenance and repair
Bosch Rexroth AG
, MIT: HQ 2/G-H, BS 2/G-250, 3 842 564 989/2022-06
Fig. 42:
10
10
9
9
8
7
1,6
1,3
8
564 988-66
HQ 2/G-H, BS 2/G-250
Removing the duplex chain (using HQ 2/G-H as an example, shown without lift unit)
7.
Open the chain lock.
8.
Pull the chain back
from the drive heads.
9.
Only necessary if you
want to replace the
guides or the sprocket:
Remove the sliding
piece.
Assembly tip
Before you pull out
the worn-out chain:
Connect the new chain
with the worn-out chain
(chain lock). Pulling out
the worn-out chain will pull
in the new chain.
10.
Pull the chain
completely off of the
belt section.
Replace the chain.
Check the sprocket and
the chain guides for
break-in scoring.
Replace worn parts.